{"id":14314,"date":"2026-01-16T17:40:40","date_gmt":"2026-01-16T09:40:40","guid":{"rendered":"https:\/\/www.kingpdc.com\/?p=14314"},"modified":"2026-02-02T10:59:00","modified_gmt":"2026-02-02T02:59:00","slug":"carotteuses-pdc","status":"publish","type":"post","link":"https:\/\/www.kingpdc.com\/fr\/carotteuses-pdc\/","title":{"rendered":"Tr\u00e9pans PDC"},"content":{"rendered":"<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"background-color:#f5f7fa;padding-bottom:30px;padding-top:100px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:55px;color:#343741;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h1 class=\"wp-block-heading\" id=\"product-H-H1\" style=\"font-size:30px;text-transform:capitalize\"><strong>Forets PDC de qualit\u00e9 sup\u00e9rieure garantie<\/strong><\/h1>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:16px;line-height:28px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-normal-font-size\">Ce tr\u00e9pan PDC est sp\u00e9cialement con\u00e7u pour les op\u00e9rations de carottage dans les formations tendres \u00e0 moyennement dures (duret\u00e9 Platts f = 3-10). Il adopte des dents de coupe compactes en diamant polycristallin de qualit\u00e9 sup\u00e9rieure de 13 mm\/16 mm et utilise le principe de rupture par cisaillement pour remplacer le meulage traditionnel. Il peut atteindre un taux de forage m\u00e9canique (ROP) de 3 \u00e0 5 fois sup\u00e9rieur \u00e0 celui du tr\u00e9pan de base et maintenir un taux d'adoption de carottes de plus de 95% dans la couche rocheuse compl\u00e8te, l'exploitation mini\u00e8re par lots est prise en charge.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow\" style=\"text-align:undefined;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ff873d;color:#ffffff;font-size:16px;padding:10px 60px;\"><a href=\"#contact-us\" rel=\"noopener noreferrer #contact-us\">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get a Quote\" style=\"color:#ffffff;background-color:#373737;padding:10px 60px;\" href=\"#contact-us\" rel=\"noopener noreferrer#contact-us\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><strong>Tr\u00e9pans PDC<\/strong> Param\u00e8tres importants<\/strong>\uff1a<\/h2>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25.5%\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-47da6d6320395d0345bc80345eb7fdbd\" style=\"font-size:18px;text-transform:capitalize\">1308 \/ 1613 mm<\/p>\n\n\n\n<p class=\"has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-18424fe64472ed7a6ee6dc359a0259f2\"><strong>Diam\u00e8tre de la dent de coupe :&nbsp;<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:29.2%\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-926a1d2e000c4065286ce1191a0bd5d5\" style=\"font-size:18px;text-transform:capitalize\"><a href=\"https:\/\/www.britannica.com\/science\/tungsten-carbide\" rel=\"nofollow noopener\" target=\"_blank\">carbure de tungst\u00e8ne <\/a>matrice\/corps en acier<\/p>\n\n\n\n<p class=\"has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-104f801cf0a90e2513adf405116ca807\"><strong>Mat\u00e9riau de la matrice :<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-4301a8f710b0ce15bd0649d9d39f0d35\" style=\"font-size:18px;text-transform:capitalize\"><a href=\"https:\/\/www.api.org\/\" rel=\"nofollow noopener\" target=\"_blank\">API<\/a> \/ DCDMA<\/p>\n\n\n\n<p class=\"has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-9e9bc32c2fe21fac67c2feb11e535bd1\"><strong>Norme de filetage :&nbsp;<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n <div class=\"block_breadcrumbs\"><div class=\"breadcrumbs\"><nav> <a itemprop=\"breadcrumb\" href=\"https:\/\/www.kingpdc.com\/fr\">Accueil<\/a> \/ <\/nav><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light productwzimage\" style=\"min-height:500px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"937\" height=\"880\" class=\"wp-block-cover__image-background wp-image-14317\" alt=\"Tr\u00e9pans PDC\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19.png 937w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19-300x282.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19-768x721.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19-13x12.png 13w\" sizes=\"auto, (max-width: 937px) 100vw, 937px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:66px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\"><strong><strong><strong>Caract\u00e9ristiques des carottes PDC<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-2-color has-text-color has-link-color has-normal-font-size wp-elements-68a42c212a1b36e2b2615e12e6c75c9f\">La vitesse de forage raccourcit le cycle de forage<\/h4>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Gr\u00e2ce au m\u00e9canisme de \"micro-coupe\" des fraises PDC, le taux de p\u00e9n\u00e9tration (ROP) peut g\u00e9n\u00e9ralement atteindre 3 \u00e0 6 m\/h en <a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">schiste<\/a>Les formations de gr\u00e8s et de calcaire sont \u00e9galement plus faciles \u00e0 forer. Par rapport au tr\u00e9pan diamant\u00e9 impr\u00e9gn\u00e9 traditionnel, l'efficacit\u00e9 du forage est am\u00e9lior\u00e9e d'environ 300, ce qui raccourcit consid\u00e9rablement le cycle de forage et r\u00e9duit le co\u00fbt du forage par m\u00e8tre.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-1-color has-text-color has-link-color has-normal-font-size wp-elements-3139e48a4a2bf740e36001aabc2e4a83\">Efficacit\u00e9 de coupe stable<\/h4>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">En utilisant du PDC compact de haute qualit\u00e9 avec une stabilit\u00e9 thermique allant jusqu'\u00e0 750\u00b0C, les dents de coupe peuvent continuellement exposer de nouvelles couches de diamant aiguis\u00e9es au cours de l'usure. Cette caract\u00e9ristique d'auto-aff\u00fbtage garantit que le tr\u00e9pan conserve une efficacit\u00e9 de coupe stable tout au long de sa dur\u00e9e de vie (en moyenne 3 000 \u00e0 5 000 m\u00e8tres, selon la formation) sans qu'il soit n\u00e9cessaire de proc\u00e9der \u00e0 un aff\u00fbtage fr\u00e9quent, comme c'est le cas pour les tr\u00e9pans impr\u00e9gn\u00e9s.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-2-color has-text-color has-link-color has-normal-font-size wp-elements-253a08842af5463788a6bed187837233\">La conception de l'\u00e9vacuation hydraulique des copeaux r\u00e9duit la fr\u00e9quence des nettoyages<\/h4>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">\u00c9quip\u00e9 d'un large canal d'\u00e9coulement optimis\u00e9 par simulation CFD et de 3 \u00e0 6 fentes d'\u00e9vacuation des copeaux, avec une conception de sortie \u00e0 grande surface d'\u00e9coulement. Il peut refroidir efficacement les dents de coupe et \u00e9vacuer rapidement les grosses particules de d\u00e9blais hors de l'orifice, ce qui permet de r\u00e9soudre compl\u00e8tement le probl\u00e8me courant du \"bit Balling\" dans les couches d'argile ou de mudstone, et de r\u00e9duire la fr\u00e9quence d'arr\u00eat du forage et de nettoyage par 80%.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-2-color has-text-color has-link-color has-normal-font-size wp-elements-77fe882df13a5ba221fc533723a5969b\">La conception de la jauge en spirale permet de r\u00e9duire le taux de rupture de la carotte<\/h4>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Le diam\u00e8tre ext\u00e9rieur du tr\u00e9pan est incrust\u00e9 de dents de jauge en diamant polycristallin hautement r\u00e9sistant \u00e0 l'usure, et la conception de la jauge en spirale est adopt\u00e9e. Le coefficient de frottement de la paroi du trou est r\u00e9duit \u00e0 moins de 0,1, ce qui emp\u00eache efficacement le r\u00e9tr\u00e9cissement du diam\u00e8tre du trou, r\u00e9duit les vibrations du train de tiges, r\u00e9duit le taux de rupture de la carotte de 40%, et garantit l'obtention d'une carotte cylindrique lisse et compl\u00e8te.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-2-color has-text-color has-link-color has-normal-font-size wp-elements-d9edf0f07ea810ac55297c7f25387413\">Adaptabilit\u00e9 stratigraphique \u00e9tendue<\/h4>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Bien que sp\u00e9cialis\u00e9 dans les roches tendres, le tr\u00e9pan peut \u00e9galement faire face \u00e0 la couche dure intercal\u00e9e avec f = 10-12 en ajustant l'angle de r\u00e2teau arri\u00e8re (g\u00e9n\u00e9ralement 15 \u00b0-20 \u00b0). Par rapport au tr\u00e9pan encastr\u00e9 en surface, sa r\u00e9sistance \u00e0 l'impact est deux fois plus \u00e9lev\u00e9e, et l'\u00e9caillage de la dent n'est pas facile lorsqu'il rencontre une couche de cailloux ou une zone d'\u00e9crasement.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"maxw\" style=\"\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#211c1c;padding:20px 30px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-left has-themecolor-2-color has-text-color has-link-color has-normal-font-size wp-elements-db778fbc4c631338c521f330d536827b\">Renforcement de la structure du corps du foret<\/h4>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Le foret PDC de type carcasse est fritt\u00e9 et impr\u00e9gn\u00e9. <a href=\"https:\/\/www.britannica.com\/science\/tungsten-carbide\" rel=\"nofollow noopener\" target=\"_blank\">carbure de tungst\u00e8ne<\/a> et la duret\u00e9 de la surface atteint HRC 50-60. Ce type de matrice \u00e0 haute r\u00e9sistance \u00e0 l'\u00e9rosion peut r\u00e9sister \u00e0 l'\u00e9rosion des fluides de forage \u00e0 grande vitesse, et convient particuli\u00e8rement aux formations de gr\u00e8s tr\u00e8s abrasives. La dur\u00e9e de vie de la matrice est g\u00e9n\u00e9ralement plus longue que celle des dents de coupe, ce qui permet d'\u00e9viter de nombreux retours \u00e0 l'usine pour le remplacement des dents.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\">Tableau des param\u00e8tres d\u00e9taill\u00e9s des couronnes de forage PDC<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u00c9l\u00e9ment de param\u00e8tre<\/td><td>Sp\u00e9cifications\/Description<\/td><td>Notes<\/td><\/tr><tr><td><strong>Tailles standard<\/strong><\/td><td>BQ, NQ, HQ, PQ, PQ3<\/td><td>Conforme aux normes internationales DCDMA<\/td><\/tr><tr><td><strong>Taille de la fraise<\/strong><\/td><td>1308 (13mm), 1613 (16mm), 1913 (19mm)<\/td><td>Choisir en fonction de la duret\u00e9 de la formation<\/td><\/tr><tr><td><strong>Nombre de lames<\/strong><\/td><td>3 - 6 ailes<\/td><td>Les forets \u00e0 faible lame conviennent au forage rapide dans les roches tendres, tandis que les forets \u00e0 plusieurs lames conviennent aux roches dures.<\/td><\/tr><tr><td><strong>Lithologie applicable (Formation)<\/strong><\/td><td>Gr\u00e8s, gr\u00e8s, calcaire, <a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">schiste<\/a>, roches salines<\/td><td>Duret\u00e9 Mohs 3-7 (f &lt; 12)<\/td><\/tr><tr><td><strong>Mat\u00e9riau du corps<\/strong><\/td><td>Corps Matrix \/ Corps en acier<\/td><td>Le corps du pneu est r\u00e9sistant \u00e0 l'usure et le corps en acier est r\u00e9sistant aux chocs.<\/td><\/tr><tr><td><strong>R\u00e2teau arri\u00e8re<\/strong><\/td><td>15\u00b0 - 25\u00b0 r\u00e9glable<\/td><td>Plus l'angle est grand, plus la r\u00e9sistance \u00e0 l'impact est forte ; plus l'angle est petit, plus la vitesse de coupe est \u00e9lev\u00e9e.<\/td><\/tr><tr><td><strong>Filet de raccordement<\/strong><\/td><td><a href=\"https:\/\/www.api.org\/\" rel=\"nofollow noopener\" target=\"_blank\">API<\/a> Filetage r\u00e9gulier, IF ou sp\u00e9cial pour les tubes \u00e0 carotter<\/td><td>Apr\u00e8s un traitement de trempe \u00e0 haute fr\u00e9quence, il est r\u00e9sistant \u00e0 la fatigue.<\/td><\/tr><tr><td><strong>Poids de travail recommand\u00e9 sur le foret (WOB)<\/strong><\/td><td>6 - 15 kN (selon le diam\u00e8tre du foret)<\/td><td>Par rapport aux tr\u00e9pans diamant\u00e9s impr\u00e9gn\u00e9s, il n\u00e9cessite moins de pression de forage.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"background-color:#f7f7f7;padding-bottom:40px;padding-top:60px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center has-medium-font-size\"><strong>Points de comparaison des couronnes de carottage PDC<\/strong><\/h2>\n\n\n\n<p>Le tr\u00e9pan PDC coupe et brise la roche, la vitesse de forage est augment\u00e9e de 3 \u00e0 5 fois et la pression de forage est r\u00e9duite de moiti\u00e9, la dur\u00e9e de vie est 4 \u00e0 5 fois plus longue, il n'y a pas de risque d'\u00e9rosion, le temps pass\u00e9 \u00e0 forer est consid\u00e9rablement r\u00e9duit et le rapport co\u00fbt-efficacit\u00e9 global est significatif.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:300px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"621\" class=\"wp-block-cover__image-background wp-image-14318\" alt=\"Points de comparaison des couronnes de carottage PDC\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-1024x621.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-1024x621.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-300x182.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-768x465.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20.png 1254w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:2%\">\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-xian theme_fang_out\" style=\"text-align:center;\"><div class=\"fangbox\" style=\"width:1px;height:350px;background-color:#e7e7e7;\"><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<div style=\"height:1px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading has-normal-font-size\"><strong>R\u00e9soudre le probl\u00e8me des \"d\u00e9clenchements fr\u00e9quents\" pour les forages profonds<\/strong><\/h4>\n\n\n\n<p>Pour les trous profonds de plus de 1000 m\u00e8tres, le probl\u00e8me des d\u00e9clenchements fr\u00e9quents et des changements de t\u00eate dus \u00e0 la courte dur\u00e9e de vie des tr\u00e9pans ordinaires est r\u00e9solu. Les caract\u00e9ristiques de longue dur\u00e9e de vie du PDC permettent de maximiser le m\u00e9trage en un seul passage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading has-normal-font-size\"><strong>R\u00e9soudre le probl\u00e8me du \"core scouring\" pour la formation bris\u00e9e<\/strong><\/h4>\n\n\n\n<p>Pour la zone de rupture l\u00e2che, le probl\u00e8me de l'\u00e9coulement d'eau \u00e0 haute pression qui emporte directement la carotte est r\u00e9solu. La conception de l'optimisation de l'eau de surface est adopt\u00e9e, et le flux d'eau n'a pas d'impact direct sur l'entr\u00e9e de la carotte afin de prot\u00e9ger l'int\u00e9grit\u00e9 de l'\u00e9chantillon.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:14px;line-height:28px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading has-normal-font-size\"><strong>R\u00e9soudre le probl\u00e8me de la \"r\u00e9duction du diam\u00e8tre\" de la formation d'abrasifs<\/strong><\/h4>\n\n\n\n<p>Dans les formations tr\u00e8s abrasives telles que le gr\u00e8s quartzeux, le probl\u00e8me de l'adh\u00e9rence du foret caus\u00e9e par l'usure rapide du diam\u00e8tre ext\u00e9rieur du foret est r\u00e9solu. La conception de la dent de jauge \u00e0 haute densit\u00e9 garantit que le diam\u00e8tre de forage est toujours conforme aux exigences de l'industrie. <a href=\"https:\/\/www.api.org\/\" rel=\"nofollow noopener\" target=\"_blank\">API<\/a> et \u00e9vite les op\u00e9rations d'al\u00e9sage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\"><strong><strong><strong>Forets de carottage PDC Densit\u00e9 applicable<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"623\" class=\"wp-block-cover__image-background wp-image-14319\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-1024x623.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-1024x623.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-300x183.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-768x467.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21.png 1249w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-normal-font-size wp-elements-2a8c349f28f68095f311eb7b138946bf\"><strong>Ing\u00e9nieur en g\u00e9ologie et en exploration min\u00e9rale<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center\">Il convient \u00e0 l'exploration des terrains houillers, des mines de sel et des gisements s\u00e9dimentaires. Dans ces roches s\u00e9dimentaires relativement tendres, les carottes PDC permettent d'obtenir des \u00e9chantillons de formation \u00e0 la vitesse la plus rapide, ce qui raccourcit consid\u00e9rablement le cycle global du projet d'exploration.<\/p>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"620\" class=\"wp-block-cover__image-background wp-image-14320\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-1024x620.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-1024x620.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-300x182.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-768x465.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22.png 1259w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-normal-font-size wp-elements-326c2032ecf9ada009b47360c7e46ae1\"><strong>Personnel charg\u00e9 de l'ing\u00e9nierie g\u00e9otechnique et de l'inspection des pieux de fondation<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center\">Il convient \u00e0 la d\u00e9tection des carottages dans les fondations de barrages et les fondations de piles de ponts. Il est n\u00e9cessaire de forer rapidement dans les morts-terrains et les formations rocheuses alt\u00e9r\u00e9es, et le tr\u00e9pan PDC peut s'adapter \u00e0 la formation de l'interaction sol-roche, r\u00e9duisant ainsi les probl\u00e8mes de remplacement du tr\u00e9pan.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"624\" class=\"wp-block-cover__image-background wp-image-14321\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-1024x624.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-1024x624.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-300x183.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-768x468.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23.png 1253w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-normal-font-size wp-elements-2547b092f7230c9a59309138b8ae1f54\"><strong><a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">Schiste<\/a> Chef de projet forage gaz\/p\u00e9trole<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center\">Convient au carottage de surfaces peu profondes ou au forage de trous de guidage dans des formations meubles. Gr\u00e2ce \u00e0 la vitesse de forage \u00e9lev\u00e9e du PDC, il peut traverser rapidement la formation meuble sup\u00e9rieure et gagner un temps pr\u00e9cieux pour l'op\u00e9ration de tubage suivante.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"618\" class=\"wp-block-cover__image-background wp-image-14322\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-1024x618.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-1024x618.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-300x181.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-768x464.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24.png 1255w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-black-color has-text-color has-link-color has-normal-font-size wp-elements-898197fbb1072cd3c92fa6bed42f1405\">Foreurs de puits d'eau<\/h3>\n\n\n\n<p>Il convient au forage d'analyse lithologique des puits d'eau de grand diam\u00e8tre. Les carottes PDC sont performantes dans les aquif\u00e8res de mudstone et de sandstone, et ont des exigences relativement faibles en mati\u00e8re de couple et de pression sur les appareils de forage, ce qui les rend adapt\u00e9es \u00e0 tous les types d'appareils de forage de petite et moyenne taille.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\"><strong><strong>Instructions pour l'utilisation des carottes PDC<\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-icon thempark-block themepark_icon_list_out undefined  xhms\" id=\"nomo1\" style=\"padding-bottom:20px;padding-top:20px;\"><div class=\"themepark_icon_list_in\" style=\"\"><div class=\"themepark_icon_lists iconl4 iconls2\" style=\"\"><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Inspection pr\u00e9alable au forage<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>V\u00e9rifiez soigneusement si le filetage du corps du tr\u00e9pan est enduit d'huile de filetage et confirmez que toutes les dents de coupe en PDC sont exemptes d'\u00e9caillage et de rel\u00e2chement. Mesurez le diam\u00e8tre ext\u00e9rieur du tr\u00e9pan afin de respecter la tol\u00e9rance de conception. <\/span><span>par exemple, \u00b1 0,1 mm<\/span><span> pour s'assurer qu'il correspond \u00e0 l'al\u00e9soir ou au tube de carottage.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Param\u00e8tres de forage recommand\u00e9s<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>Vitesse de rotation : 180-250 tours\/minute sont recommand\u00e9s pour les formations tendres et 80-150 tours\/minute pour les formations moyennement dures. Une vitesse excessive est strictement interdite afin d'\u00e9viter les dommages dus \u00e0 la temp\u00e9rature et \u00e0 la chaleur.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Op\u00e9ration de rodage<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>Lorsque le nouveau tr\u00e9pan entre en contact avec le fond du trou, il doit \u00eatre for\u00e9 sur 0,5-1 m \u00e0 une faible vitesse de rotation de 50-60 tr\/min et \u00e0 une faible pression de forage de 2-3 kN. Lorsque la forme du fond du trou co\u00efncide avec la couronne du tr\u00e9pan, la vitesse de rotation est progressivement augment\u00e9e pour atteindre les param\u00e8tres de forage normaux.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Refroidissement et d\u00e9placement<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>D\u00e9bit ad\u00e9quat du liquide de rin\u00e7age <\/span><span>40-80 L\/min sont g\u00e9n\u00e9ralement recommand\u00e9s, en fonction de la taille des pores.<\/span><span> doit \u00eatre maintenue pour \u00e9viter la d\u00e9gradation thermique du compact PDC lorsque la temp\u00e9rature d\u00e9passe 700\u00b0C. Si l'eau de retour est interrompue, la foreuse doit \u00eatre ramass\u00e9e imm\u00e9diatement et le forage \u00e0 sec est strictement interdit.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><\/div><\/div><\/section>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block PcOnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\">Nous conna\u00eetre et nous contacter<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"1018\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9.png\" alt=\"certificat\" class=\"wp-image-13992\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9.png 720w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9-212x300.png 212w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9-8x12.png 8w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:12px;line-height:20px;background-color:#ffffff;padding:1px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-left has-monte-grey-color has-text-color has-link-color has-medium-font-size wp-elements-aa55348dfa96e253a032da63d88292ad\" id=\"contact-us\"><strong><strong><strong>Obtenir gratuitement <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-themecolor-1-color\">Citation<\/mark> Aujourd'hui.<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-comment thempark-block themepark-comment fromnopading undefined\" style=\"max-width:760px;\"><div class=\"themepark-comment_in\" id=\"ud_form\"><div class=\"themepark-comment_inb2\"><div class=\"themepark-comment_inb\" style=\"background-color:#ffffff;\"><div class=\"themepark-comment_form nolable\" style=\"\"><form id=\"commentform-park\" class=\"themepark-c-f twomo\" action=\"https:\/\/www.kingpdc.com\/wp-comments-post.php\" method=\"post\" autocomplete=\"off\" data-trp-original-action=\"https:\/\/www.kingpdc.com\/wp-comments-post.php\"><div class=\"themepark-comment_form_box tptext\" style=\"font-size:15px;\"><lable for=\"tpcommet0\" class=\"\"><input type=\"text\" id=\"tpcommet0\" name=\"tpcommet0\" size=\"28\" style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Nom\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tptext mail-c\" style=\"font-size:15px;\"><lable for=\"tpcommet1\" class=\"required\"><input type=\"text\" class=\"f-email\" id=\"tpcommet1\" name=\"tpcommet1\" size=\"28\" required style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Courrier \u00e9lectronique\"\/><span class=\"required\">*<div class=\"required_tishi animated\"><i class=\"fas fa-exclamation-circle\"><\/i><span><\/span><\/div><\/span><\/lable><\/div><div class=\"themepark-comment_form_box tpTextarea\" style=\"font-size:15px;\"><lable for=\"tpcommet2\"><textarea id=\"tpcommet2\" name=\"tpcommet2\" style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Votre question\"><\/textarea><\/lable><\/div><div class=\"hiddeninput\"><input name=\"comment_post_ID\" type=\"hidden\" value=\"13125\"\/><input name=\"author\" type=\"hidden\" class=\"author\"\/><input name=\"email\" type=\"hidden\" class=\"email\"\/><textarea name=\"comment\" style=\"display:none\" class=\"comment\"><\/textarea><input name=\"themeparklable\" type=\"hidden\" value=\"Name|E-mail|Your Question\"\/><input name=\"themeparktype\" type=\"hidden\" value=\"text|text2|Textarea\"\/><input name=\"redirect_to\" type=\"hidden\" value=\"https:\/\/www.kingpdc.com\"\/><input name=\"inquiryid\" type=\"hidden\"\/><input name=\"inquirytime\" type=\"hidden\"\/><input name=\"position\" type=\"hidden\"\/><\/div><div class=\"submut_box\"><input type=\"submit\" class=\"submut_btn\" name=\"submit\" style=\"background:#ff731c;\" value=\"Envoyer un devis\"\/><div class=\"tishi\" style=\"\"><div class=\"loading\" style=\"\"><i class=\"fas fa-spinner\"><\/i>Soumettre !<\/div><div class=\"success\" style=\"\"><i class=\"fas fa-check\"><\/i>Succ\u00e8s !<\/div><div class=\"erro\" style=\"\"><i class=\"fas fa-exclamation-circle\"><\/i>\u00c9chec de la soumission ! Veuillez r\u00e9essayer plus tard\uff01<\/div><div class=\"e-email\">Erreur de format d'e-mail !<\/div><div class=\"e-tel\">Erreur de format\uff01<\/div><\/div><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form><\/div><div class=\"wp_clear\"><\/div><\/div><div class=\"themepark-comment_in_b\" style=\"opacity:1;undefined0\"><\/div><\/div><\/div><div class=\"wp_clear\"><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-left\"><strong>Notre usine<\/strong><\/p>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-listul thempark-block list_ul_box_out  Effect0 undefined\" style=\"undefined\" swlist=\"1\" progresseffect=\"0\" autoplays=\"2\" line=\"1\" loops=\"yes\"><div class=\"swiper-container showslidebox_out  listpadings\"><div class=\"swiper-wrapper\"><div class=\"swiper-slide listul_box\" style=\"\"><a class=\"listul_box_img\" style=\"\"><div style=\"\" class=\"listulpic\"><img loading=\"lazy\" decoding=\"async\" class=\"swiper-lazy swiper-move-lazy lazyload\" data-src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/image-63.png\" src=\"https:\/\/www.kingpdc.com\/wp-content\/themes\/smartenterprise-child\/images\/loading3.png\" alt=\"\" width=\"1334\" height=\"674\"><\/div><\/a><\/div><\/div><div class=\"pagination MovePnly\"><\/div><\/div><\/section>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:33px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion active sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q:Quelle duret\u00e9 de roche les forets PDC conviennent-ils pour le forage ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-c76f02e6e52df4ad0bbd807f5395b7ca\" style=\"color:#666666\">R : Il convient le mieux au forage de formations peu ou moyennement dures (duret\u00e9 de Platts f &lt; 10), telles que le mudstone, <a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">schiste<\/a>gr\u00e8s, calcaire, etc. Pour le granit et le quartzite d'une duret\u00e9 extr\u00eamement \u00e9lev\u00e9e (f &gt; 12) ou d'une grande abrasivit\u00e9, il est recommand\u00e9 d'utiliser des forets diamant\u00e9s impr\u00e9gn\u00e9s, car les roches dures sont susceptibles de provoquer la fissuration des dents de coupe PDC.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-666f537a1d1c9a95ec1c905fa7378c2c\" style=\"color:#666666\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Quelle est la diff\u00e9rence entre les m\u00e8ches PDC \u00e0 corps en matrice et les m\u00e8ches PDC \u00e0 corps en acier ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-903cbca18d11dab95463973caa9ce342\" style=\"color:#666666\">R : Le tr\u00e9pan \u00e0 corps d'acier est fabriqu\u00e9 en acier alli\u00e9, a une bonne t\u00e9nacit\u00e9, convient \u00e0 la formation de dents complexes et faciles \u00e0 effondrer, et est facile \u00e0 r\u00e9parer et \u00e0 r\u00e9parer pendant de nombreuses ann\u00e9es. Le tr\u00e9pan \u00e0 matrice est fritt\u00e9 par <a href=\"https:\/\/www.britannica.com\/science\/tungsten-carbide\" rel=\"nofollow noopener\" target=\"_blank\">carbure de tungst\u00e8ne<\/a> La poudre est dot\u00e9e d'une excellente r\u00e9sistance \u00e0 l'usure et d'une forte r\u00e9sistance \u00e0 l'\u00e9rosion, ce qui la rend plus adapt\u00e9e \u00e0 une formation fortement abrasive, mais elle est difficile \u00e0 r\u00e9parer.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Que dois-je faire si je rencontre une couche de cailloux ou une zone de fracture pendant le forage ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-135f39a9fed732d8c9c24055354118fa\" style=\"color:#666666\">R : La vitesse doit \u00eatre imm\u00e9diatement r\u00e9duite (\u00e0 60-80 tr\/min) et le poids sur le tr\u00e9pan doit \u00eatre r\u00e9duit pour \u00e9viter que les dents de coupe ne se fissurent en raison de l'impact s\u00e9v\u00e8re. Si la zone d'\u00e9crasement est \u00e9paisse, il est recommand\u00e9 de la remplacer par un tr\u00e9pan PDC sp\u00e9cialement con\u00e7u pour r\u00e9sister aux chocs ou d'utiliser un tr\u00e9pan impr\u00e9gn\u00e9 pour traverser l'intervalle.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q4 : Cette perceuse peut-elle \u00eatre r\u00e9par\u00e9e ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-29df39adaf2f3af2f050705ffe2f5a7f\" style=\"color:#666666\">R : Oui, en particulier les tr\u00e9pans PDC en acier. Si seules les dents de coupe sont us\u00e9es ou tombent, et que le corps du tr\u00e9pan est intact, il peut \u00eatre renvoy\u00e9 \u00e0 l'usine pour une r\u00e9paration de \"remplacement des dents\". En g\u00e9n\u00e9ral, le co\u00fbt de la r\u00e9paration ne repr\u00e9sente que 30%-40% du nouveau tr\u00e9pan, ce qui permet de r\u00e9duire consid\u00e9rablement le co\u00fbt d'utilisation.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q5 : Pourquoi le tr\u00e9pan PDC est-il plus rapide que le tr\u00e9pan impr\u00e9gn\u00e9 dans les roches tendres ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-933bc795b420aa8853ee5b9d9ef07054\" style=\"color:#666666\">R : Le m\u00e9canisme de rupture de la roche est diff\u00e9rent. Le tr\u00e9pan impr\u00e9gn\u00e9 s'appuie sur le \"broyage\" pour briser la roche, ce qui est inefficace ; le tr\u00e9pan PDC s'appuie sur la \"pelle\/le cisaillement\" pour couper la roche, ce qui permet une grande profondeur de coupe. Dans les roches tendres, l'efficacit\u00e9 de coupe du PDC est g\u00e9n\u00e9ralement plus de trois fois sup\u00e9rieure \u00e0 celle du tr\u00e9pan impr\u00e9gn\u00e9.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q6 : Comment choisir la taille des dents de coupe (13 mm ou 19 mm) ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-f8a272b8284e18c67808502288d88c65\" style=\"color:#666666\">R : Le principe g\u00e9n\u00e9ral est le suivant : plus la formation est tendre, plus la dent est grande (19 mm par exemple) afin d'obtenir une vitesse de forage plus \u00e9lev\u00e9e ; plus la formation est dure, plus la dent est petite (13 mm ou moins par exemple) afin d'augmenter la densit\u00e9 de la dent et d'am\u00e9liorer la r\u00e9sistance aux chocs et la stabilit\u00e9.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"background-color:#f5f7fa;padding-bottom:30px;padding-top:10px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h1 class=\"wp-block-heading product-H-H1 has-medium-font-size\" style=\"text-transform:capitalize\">Tr\u00e9pans PDC<\/h1>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:1px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Ce tr\u00e9pan PDC est sp\u00e9cialement con\u00e7u pour les op\u00e9rations de carottage dans les formations tendres \u00e0 moyennement dures (duret\u00e9 Platts f = 3-10). Il adopte des dents de coupe compactes en diamant polycristallin de qualit\u00e9 sup\u00e9rieure de 13 mm\/16 mm et utilise le principe de rupture par cisaillement pour remplacer le meulage traditionnel. Il peut atteindre un taux de forage m\u00e9canique (ROP) de 3 \u00e0 5 fois sup\u00e9rieur \u00e0 celui du tr\u00e9pan de base et maintenir un taux d'adoption de carottes de plus de 95% dans la couche rocheuse compl\u00e8te, l'exploitation mini\u00e8re par lots est prise en charge.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light productwzimage\" style=\"min-height:500px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"937\" height=\"880\" class=\"wp-block-cover__image-background wp-image-14317\" alt=\"Tr\u00e9pans PDC\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19.png 937w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19-300x282.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19-768x721.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-19-13x12.png 13w\" sizes=\"auto, (max-width: 937px) 100vw, 937px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-c61d57fd0753b0ea1029c180141be014\"><strong><strong>Diam\u00e8tre de la dent de coupe :<\/strong><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-59376109c8ee44aaceb30e0c54d1cfde\" style=\"font-size:14px;text-transform:capitalize\">1308 \/ 1613 mm<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-1c45f2bd3f77cf787264cc6f671fb95b\"><strong>Mat\u00e9riau de la matrice :<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-5f8a737b9b242e1da4f31e7c316b63ad\" style=\"font-size:14px;text-transform:capitalize\"><a href=\"https:\/\/www.britannica.com\/science\/tungsten-carbide\" rel=\"nofollow noopener\" target=\"_blank\">carbure de tungst\u00e8ne<\/a> matrice\/corps en acier<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-cyan-bluish-gray-color has-text-color has-link-color has-small-font-size wp-elements-6ed5c27d6018a7fd9ad0435ab9b6c004\"><strong>Norme de filetage :<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-monte-grey-color has-text-color has-link-color wp-elements-7b2c19a4f71d45c4f37310d5d4c7cbcf\" style=\"font-size:14px;text-transform:capitalize\"><a href=\"https:\/\/www.api.org\/\" rel=\"nofollow noopener\" target=\"_blank\">API<\/a> \/ DCDMA<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-btn themepark-i-btn-out shadow\" style=\"text-align:center;\"><div class=\"themepark-i-btn-out_ins\" style=\"\"><div class=\"themepark-i-btn-out_in\"><div class=\"themepark-i-btn\" style=\"background-color:#ff873d;color:#ffffff;font-size:16px;padding:10px 60px;\"><a href=\"#m-quote\" rel=\"noopener noreferrer \">Obtenir un devis<\/a><a class=\"hovers\" data-title=\"Get a Quote\" style=\"color:#ffffff;background-color:#005ca3;padding:10px 60px;\" href=\"#m-quote\" rel=\"noopener noreferrer\" target=\"_self\"><\/a><\/div><\/div><\/div><\/div>\n\n\n\n <div class=\"block_breadcrumbs\"><div class=\"breadcrumbs\"><nav> <a itemprop=\"breadcrumb\" href=\"https:\/\/www.kingpdc.com\/fr\">Accueil<\/a> \/ <\/nav><\/div><\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:23px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-themecolor-1-color has-text-color has-link-color has-medium-font-size wp-elements-55b0dae94c620412278212637b70e9e0\" style=\"text-transform:capitalize\"><strong><strong><strong>Caract\u00e9ristiques des carottes PDC<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-vivid-cyan-blue-color has-text-color has-link-color has-small-font-size wp-elements-2d3f124d774eaadc5a2c8ee26c23599c\"><strong>La vitesse de forage raccourcit le cycle de forage<\/strong><\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Gr\u00e2ce au m\u00e9canisme de \"micro-coupe\" des fraises PDC, le taux de p\u00e9n\u00e9tration (ROP) peut g\u00e9n\u00e9ralement atteindre 3 \u00e0 6 m\/h en <a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">schiste<\/a>Les formations de gr\u00e8s et de calcaire sont \u00e9galement plus faciles \u00e0 forer. Par rapport au tr\u00e9pan diamant\u00e9 impr\u00e9gn\u00e9 traditionnel, l'efficacit\u00e9 du forage est am\u00e9lior\u00e9e d'environ 300, ce qui raccourcit consid\u00e9rablement le cycle de forage et r\u00e9duit le co\u00fbt du forage par m\u00e8tre.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-vivid-cyan-blue-color has-text-color has-link-color has-small-font-size wp-elements-b6c8b1b756c1b6928203f1db54a4a382\">Efficacit\u00e9 de coupe stable<\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">En utilisant du PDC compact de haute qualit\u00e9 avec une stabilit\u00e9 thermique allant jusqu'\u00e0 750\u00b0C, les dents de coupe peuvent continuellement exposer de nouvelles couches de diamant aiguis\u00e9es au cours de l'usure. Cette caract\u00e9ristique d'auto-aff\u00fbtage garantit que le tr\u00e9pan conserve une efficacit\u00e9 de coupe stable tout au long de sa dur\u00e9e de vie (en moyenne 3 000 \u00e0 5 000 m\u00e8tres, selon la formation) sans qu'il soit n\u00e9cessaire de proc\u00e9der \u00e0 un aff\u00fbtage fr\u00e9quent, comme c'est le cas pour les tr\u00e9pans impr\u00e9gn\u00e9s.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-vivid-cyan-blue-color has-text-color has-link-color has-small-font-size wp-elements-806fd0927570d90f9185e722f759e397\">La conception de l'\u00e9vacuation hydraulique des copeaux r\u00e9duit la fr\u00e9quence des nettoyages<\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">\u00c9quip\u00e9 d'un large canal d'\u00e9coulement optimis\u00e9 par simulation CFD et de 3 \u00e0 6 fentes d'\u00e9vacuation des copeaux, avec une conception de sortie \u00e0 grande surface d'\u00e9coulement. Il peut refroidir efficacement les dents de coupe et \u00e9vacuer rapidement les grosses particules de d\u00e9blais hors de l'orifice, ce qui permet de r\u00e9soudre compl\u00e8tement le probl\u00e8me courant du \"bit Balling\" dans les couches d'argile ou de mudstone, et de r\u00e9duire la fr\u00e9quence d'arr\u00eat du forage et de nettoyage par 80%.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-vivid-cyan-blue-color has-text-color has-link-color has-small-font-size wp-elements-eba8b81c394bb6761a58c31036ad8ca5\">La conception de la jauge en spirale permet de r\u00e9duire le taux de rupture de la carotte<\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Le diam\u00e8tre ext\u00e9rieur du tr\u00e9pan est incrust\u00e9 de dents de jauge en diamant polycristallin hautement r\u00e9sistant \u00e0 l'usure, et la conception de la jauge en spirale est adopt\u00e9e. Le coefficient de frottement de la paroi du trou est r\u00e9duit \u00e0 moins de 0,1, ce qui emp\u00eache efficacement le r\u00e9tr\u00e9cissement du diam\u00e8tre du trou, r\u00e9duit les vibrations du train de tiges, r\u00e9duit le taux de rupture de la carotte de 40%, et garantit l'obtention d'une carotte cylindrique lisse et compl\u00e8te.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-vivid-cyan-blue-color has-text-color has-link-color has-small-font-size wp-elements-b137fa0ed3c254639f391fe99740264f\">Adaptabilit\u00e9 stratigraphique \u00e9tendue<\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Bien que sp\u00e9cialis\u00e9 dans les roches tendres, le tr\u00e9pan peut \u00e9galement faire face \u00e0 la couche dure intercal\u00e9e avec f = 10-12 en ajustant l'angle de r\u00e2teau arri\u00e8re (g\u00e9n\u00e9ralement 15 \u00b0-20 \u00b0). Par rapport au tr\u00e9pan encastr\u00e9 en surface, sa r\u00e9sistance \u00e0 l'impact est deux fois plus \u00e9lev\u00e9e, et l'\u00e9caillage de la dent n'est pas facile lorsqu'il rencontre une couche de cailloux ou une zone d'\u00e9crasement.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block undefined\" id=\"\" style=\"background-color:#f7f7f7;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in clomnnone\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#211c1c;padding:10px 10px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:16%\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp\" alt=\"\" class=\"wp-image-14205\" style=\"width:32px\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear.webp 512w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-300x300.webp 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-150x150.webp 150w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/12\/gear-12x12.webp 12w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h6 class=\"wp-block-heading has-text-align-left has-vivid-cyan-blue-color has-text-color has-link-color has-small-font-size wp-elements-8eb112c215e932741ffcd0e7f2b6cbbe\">Renforcement de la structure du corps du foret<\/h6>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center\">Le foret PDC de type carcasse est fritt\u00e9 et impr\u00e9gn\u00e9. <a href=\"https:\/\/www.britannica.com\/science\/tungsten-carbide\" rel=\"nofollow noopener\" target=\"_blank\">carbure de tungst\u00e8ne<\/a> et la duret\u00e9 de la surface atteint HRC 50-60. Ce type de matrice \u00e0 haute r\u00e9sistance \u00e0 l'\u00e9rosion peut r\u00e9sister \u00e0 l'\u00e9rosion des fluides de forage \u00e0 grande vitesse, et convient particuli\u00e8rement aux formations de gr\u00e8s tr\u00e8s abrasives. La dur\u00e9e de vie de la matrice est g\u00e9n\u00e9ralement plus longue que celle des dents de coupe, ce qui permet d'\u00e9viter de nombreux retours \u00e0 l'usine pour le remplacement des dents.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\">Tableau des param\u00e8tres d\u00e9taill\u00e9s des couronnes de forage PDC<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u00c9l\u00e9ment de param\u00e8tre<\/td><td>Sp\u00e9cifications\/Description<\/td><td>Notes<\/td><\/tr><tr><td><strong>Tailles standard<\/strong><\/td><td>BQ, NQ, HQ, PQ, PQ3<\/td><td>Conforme aux normes internationales DCDMA<\/td><\/tr><tr><td><strong>Taille de la fraise<\/strong><\/td><td>1308 (13mm), 1613 (16mm), 1913 (19mm)<\/td><td>Choisir en fonction de la duret\u00e9 de la formation<\/td><\/tr><tr><td><strong>Nombre de lames<\/strong><\/td><td>3 - 6 ailes<\/td><td>Les forets \u00e0 faible lame conviennent au forage rapide dans les roches tendres, tandis que les forets \u00e0 plusieurs lames conviennent aux roches dures.<\/td><\/tr><tr><td><strong>Lithologie applicable (Formation)<\/strong><\/td><td>Gr\u00e8s, gr\u00e8s, calcaire, <a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">schiste<\/a>, roches salines<\/td><td>Duret\u00e9 Mohs 3-7 (f &lt; 12)<\/td><\/tr><tr><td><strong>Mat\u00e9riau du corps<\/strong><\/td><td>Corps Matrix \/ Corps en acier<\/td><td>Le corps du pneu est r\u00e9sistant \u00e0 l'usure et le corps en acier est r\u00e9sistant aux chocs.<\/td><\/tr><tr><td><strong>R\u00e2teau arri\u00e8re<\/strong><\/td><td>15\u00b0 - 25\u00b0 r\u00e9glable<\/td><td>Plus l'angle est grand, plus la r\u00e9sistance \u00e0 l'impact est forte ; plus l'angle est petit, plus la vitesse de coupe est \u00e9lev\u00e9e.<\/td><\/tr><tr><td><strong>Filet de raccordement<\/strong><\/td><td><a href=\"https:\/\/www.api.org\/\" rel=\"nofollow noopener\" target=\"_blank\">API<\/a> Filetage r\u00e9gulier, IF ou sp\u00e9cial pour les tubes \u00e0 carotter<\/td><td>Apr\u00e8s un traitement de trempe \u00e0 haute fr\u00e9quence, il est r\u00e9sistant \u00e0 la fatigue.<\/td><\/tr><tr><td><strong>Poids de travail recommand\u00e9 sur le foret (WOB)<\/strong><\/td><td>6 - 15 kN (selon le diam\u00e8tre du foret)<\/td><td>Par rapport aux tr\u00e9pans diamant\u00e9s impr\u00e9gn\u00e9s, il n\u00e9cessite moins de pression de forage.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"background-color:#f7f7f7;padding-bottom:40px;padding-top:30px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p  blog-jiange\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading product-H-H2 has-medium-font-size\"><strong>Points de comparaison des couronnes de carottage PDC<\/strong><\/h2>\n\n\n\n<p>Le tr\u00e9pan PDC coupe et brise la roche, la vitesse de forage est augment\u00e9e de 3 \u00e0 5 fois et la pression de forage est r\u00e9duite de moiti\u00e9, la dur\u00e9e de vie est 4 \u00e0 5 fois plus longue, il n'y a pas de risque d'\u00e9rosion, le temps pass\u00e9 \u00e0 forer est consid\u00e9rablement r\u00e9duit et le rapport co\u00fbt-efficacit\u00e9 global est significatif.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:300px;aspect-ratio:unset;\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"621\" class=\"wp-block-cover__image-background wp-image-14318\" alt=\"Points de comparaison des couronnes de carottage PDC\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-1024x621.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-1024x621.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-300x182.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-768x465.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-20.png 1254w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:15%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 class=\"wp-block-heading has-small-font-size\"><strong><strong>R\u00e9soudre le probl\u00e8me des \"d\u00e9clenchements fr\u00e9quents\" pour les forages profonds<\/strong><\/strong><\/h6>\n\n\n\n<p>Pour les trous profonds de plus de 1000 m\u00e8tres, le probl\u00e8me des d\u00e9clenchements fr\u00e9quents et des changements de t\u00eate dus \u00e0 la courte dur\u00e9e de vie des tr\u00e9pans ordinaires est r\u00e9solu. Les caract\u00e9ristiques de longue dur\u00e9e de vie du PDC permettent de maximiser le m\u00e9trage en un seul passage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:15%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 class=\"wp-block-heading has-small-font-size\"><strong><strong>R\u00e9soudre le probl\u00e8me du \"core scouring\" pour la formation bris\u00e9e<\/strong><\/strong><\/h6>\n\n\n\n<p>Pour la zone de rupture l\u00e2che, le probl\u00e8me de l'\u00e9coulement d'eau \u00e0 haute pression qui emporte directement la carotte est r\u00e9solu. La conception de l'optimisation de l'eau de surface est adopt\u00e9e, et le flux d'eau n'a pas d'impact direct sur l'entr\u00e9e de la carotte afin de prot\u00e9ger l'int\u00e9grit\u00e9 de l'\u00e9chantillon.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:15%\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.lianxi.fun\/wp-content\/uploads\/2025\/12\/solution.png\" alt=\"\" class=\"wp-image-13399\" style=\"width:32px\"><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:13px;line-height:26px;color:#666666;padding:10px 0px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 class=\"wp-block-heading has-small-font-size\"><strong><strong>R\u00e9soudre le probl\u00e8me de la \"r\u00e9duction du diam\u00e8tre\" de la formation d'abrasifs<\/strong><\/strong><\/h6>\n\n\n\n<p>Dans les formations tr\u00e8s abrasives telles que le gr\u00e8s quartzeux, le probl\u00e8me de l'adh\u00e9rence du foret caus\u00e9e par l'usure rapide du diam\u00e8tre ext\u00e9rieur du foret est r\u00e9solu. La conception de la dent de jauge \u00e0 haute densit\u00e9 garantit que le diam\u00e8tre de forage est toujours conforme aux exigences de l'industrie. <a href=\"https:\/\/www.api.org\/\" rel=\"nofollow noopener\" target=\"_blank\">API<\/a> et \u00e9vite les op\u00e9rations d'al\u00e9sage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\"><strong><strong><strong>Forets de carottage PDC Densit\u00e9 applicable<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"623\" class=\"wp-block-cover__image-background wp-image-14319\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-1024x623.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-1024x623.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-300x183.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-768x467.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-21.png 1249w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-normal-font-size wp-elements-2a8c349f28f68095f311eb7b138946bf\"><strong>Ing\u00e9nieur en g\u00e9ologie et en exploration min\u00e9rale<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center\">Il convient \u00e0 l'exploration des terrains houillers, des mines de sel et des gisements s\u00e9dimentaires. Dans ces roches s\u00e9dimentaires relativement tendres, les carottes PDC permettent d'obtenir des \u00e9chantillons de formation \u00e0 la vitesse la plus rapide, ce qui raccourcit consid\u00e9rablement le cycle global du projet d'exploration.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"620\" class=\"wp-block-cover__image-background wp-image-14320\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-1024x620.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-1024x620.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-300x182.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-768x465.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-22.png 1259w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-normal-font-size wp-elements-326c2032ecf9ada009b47360c7e46ae1\"><strong>Personnel charg\u00e9 de l'ing\u00e9nierie g\u00e9otechnique et de l'inspection des pieux de fondation<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center\">Il convient \u00e0 la d\u00e9tection des carottages dans les fondations de barrages et les fondations de piles de ponts. Il est n\u00e9cessaire de forer rapidement dans les morts-terrains et les formations rocheuses alt\u00e9r\u00e9es, et le tr\u00e9pan PDC peut s'adapter \u00e0 la formation de l'interaction sol-roche, r\u00e9duisant ainsi les probl\u00e8mes de remplacement du tr\u00e9pan.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"624\" class=\"wp-block-cover__image-background wp-image-14321\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-1024x624.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-1024x624.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-300x183.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-768x468.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-23.png 1253w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-normal-font-size wp-elements-2547b092f7230c9a59309138b8ae1f54\"><strong><a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">Schiste<\/a> Chef de projet forage gaz\/p\u00e9trole<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-center\">Convient au carottage de surfaces peu profondes ou au forage de trous de guidage dans des formations meubles. Gr\u00e2ce \u00e0 la vitesse de forage \u00e9lev\u00e9e du PDC, il peut traverser rapidement la formation meuble sup\u00e9rieure et gagner un temps pr\u00e9cieux pour l'op\u00e9ration de tubage suivante.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"618\" class=\"wp-block-cover__image-background wp-image-14322\" alt=\"Forets de carottage PDC Densit\u00e9 applicable\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-1024x618.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-1024x618.png 1024w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-300x181.png 300w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-768x464.png 768w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24-18x12.png 18w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2026\/01\/image-24.png 1255w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-wright content-super-p\" style=\"font-size:14px;line-height:28px;color:#666666; border:1px #d1d1d1 solid;padding:20px 20px;\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-align-center has-black-color has-text-color has-link-color has-normal-font-size wp-elements-898197fbb1072cd3c92fa6bed42f1405\">Foreurs de puits d'eau<\/h3>\n\n\n\n<p>Il convient au forage d'analyse lithologique des puits d'eau de grand diam\u00e8tre. Les carottes PDC sont performantes dans les aquif\u00e8res de mudstone et de sandstone, et ont des exigences relativement faibles en mati\u00e8re de couple et de pression sur les appareils de forage, ce qui les rend adapt\u00e9es \u00e0 tous les types d'appareils de forage de petite et moyenne taille.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center product-H-H2 has-medium-font-size\" style=\"text-transform:capitalize\"><strong><strong>Instructions pour l'utilisation des carottes PDC<\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-icon thempark-block themepark_icon_list_out undefined  xhms\" id=\"nomo1\" style=\"padding-bottom:20px;padding-top:20px;\"><div class=\"themepark_icon_list_in\" style=\"\"><div class=\"themepark_icon_lists iconl4 iconls1\" style=\"\"><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Inspection pr\u00e9alable au forage<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>V\u00e9rifiez soigneusement si le filetage du corps du tr\u00e9pan est enduit d'huile de filetage et confirmez que toutes les dents de coupe en PDC sont exemptes d'\u00e9caillage et de rel\u00e2chement. Mesurez le diam\u00e8tre ext\u00e9rieur du tr\u00e9pan afin de respecter la tol\u00e9rance de conception. <\/span><span>par exemple, \u00b1 0,1 mm<\/span><span> pour s'assurer qu'il correspond \u00e0 l'al\u00e9soir ou au tube de carottage.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Param\u00e8tres de forage recommand\u00e9s<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>Vitesse de rotation : 180-250 tours\/minute sont recommand\u00e9s pour les formations tendres et 80-150 tours\/minute pour les formations moyennement dures. Une vitesse excessive est strictement interdite afin d'\u00e9viter les dommages dus \u00e0 la temp\u00e9rature et \u00e0 la chaleur.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Op\u00e9ration de rodage<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>Lorsque le nouveau tr\u00e9pan entre en contact avec le fond du trou, il doit \u00eatre for\u00e9 sur 0,5-1 m \u00e0 une faible vitesse de rotation de 50-60 tr\/min et \u00e0 une faible pression de forage de 2-3 kN. Lorsque la forme du fond du trou co\u00efncide avec la couronne du tr\u00e9pan, la vitesse de rotation est progressivement augment\u00e9e pour atteindre les param\u00e8tres de forage normaux.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><a class=\"themepark_icon_box\"><div class=\"themepark_icon_box_i\"><div class=\"themepark_icon_box_i_out\"><i class=\"fas fa-icons\" style=\"color:#fff;font-size:20px;width:60px;height:60px;line-height:60px;background:#ff873d;\"><\/i><div style=\"background:#ff873d;\" class=\"themepark_icon_box_i_b\"><\/div><\/div><b style=\"font-size:16px;\">Refroidissement et d\u00e9placement<\/b><\/div><div class=\"themepark_icon_box_d\" style=\"font-size:14px;\"><span>D\u00e9bit ad\u00e9quat du liquide de rin\u00e7age <\/span><span>40-80 L\/min sont g\u00e9n\u00e9ralement recommand\u00e9s, en fonction de la taille des pores.<\/span><span> doit \u00eatre maintenue pour \u00e9viter la d\u00e9gradation thermique du compact PDC lorsque la temp\u00e9rature d\u00e9passe 700\u00b0C. Si l'eau de retour est interrompue, la foreuse doit \u00eatre ramass\u00e9e imm\u00e9diatement et le forage \u00e0 sec est strictement interdit.<\/span><\/div><div class=\"themepark_icon_box_bac\" style=\"background:#f7f7f7;\"><\/div><\/a><\/div><\/div><\/section>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<section class=\"wp-block-themepark-block-themepark-area block_layout thempark-block MovePnly\" id=\"\" style=\"padding-bottom:40px;padding-top:40px;\" data-swiper-parallax=\"-700\"><div class=\"block_layout_in\" style=\"\">\n<div class=\"wp-block-column block_layout_in is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center H2:Know Us and Contact has-medium-font-size\" style=\"text-transform:capitalize\">Nous conna\u00eetre et nous contacter<\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-monte-grey-color has-text-color has-link-color has-medium-font-size wp-elements-e7ef094161f86bc679a3fe601c773619\" id=\"m-quote\"><strong><strong><strong>Obtenir gratuitement <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-themecolor-1-color\">Citation<\/mark> Aujourd'hui.<\/strong><\/strong><\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-comment thempark-block themepark-comment fromnopading undefined\" style=\"max-width:760px;\"><div class=\"themepark-comment_in\" id=\"ud_form\"><div class=\"themepark-comment_inb2\"><div class=\"themepark-comment_inb\" style=\"background-color:#ffffff;\"><div class=\"themepark-comment_form nolable\" style=\"\"><form id=\"commentform-park\" class=\"themepark-c-f\" action=\"https:\/\/www.kingpdc.com\/wp-comments-post.php\" method=\"post\" autocomplete=\"off\" data-trp-original-action=\"https:\/\/www.kingpdc.com\/wp-comments-post.php\"><div class=\"themepark-comment_form_box tptext\" style=\"font-size:15px;\"><lable for=\"tpcommet0\" class=\"\"><input type=\"text\" id=\"tpcommet0\" name=\"tpcommet0\" size=\"28\" style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Nom\"\/><\/lable><\/div><div class=\"themepark-comment_form_box tptext mail-c\" style=\"font-size:15px;\"><lable for=\"tpcommet1\" class=\"required\"><input type=\"text\" class=\"f-email\" id=\"tpcommet1\" name=\"tpcommet1\" size=\"28\" required style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Courrier \u00e9lectronique\"\/><span class=\"required\">*<div class=\"required_tishi animated\"><i class=\"fas fa-exclamation-circle\"><\/i><span><\/span><\/div><\/span><\/lable><\/div><div class=\"themepark-comment_form_box tpTextarea\" style=\"font-size:15px;\"><lable for=\"tpcommet2\"><textarea id=\"tpcommet2\" name=\"tpcommet2\" style=\"border: solid 1px #ffffff;background-color: #a0c6e51a;\" placeholder=\"Votre question\"><\/textarea><\/lable><\/div><div class=\"hiddeninput\"><input name=\"comment_post_ID\" type=\"hidden\" value=\"13125\"\/><input name=\"author\" type=\"hidden\" class=\"author\"\/><input name=\"email\" type=\"hidden\" class=\"email\"\/><textarea name=\"comment\" style=\"display:none\" class=\"comment\"><\/textarea><input name=\"themeparklable\" type=\"hidden\" value=\"Name|E-mail|Your Question\"\/><input name=\"themeparktype\" type=\"hidden\" value=\"text|text2|Textarea\"\/><input name=\"redirect_to\" type=\"hidden\" value=\"https:\/\/www.kingpdc.com\"\/><input name=\"inquiryid\" type=\"hidden\"\/><input name=\"inquirytime\" type=\"hidden\"\/><input name=\"position\" type=\"hidden\"\/><\/div><div class=\"submut_box\"><input type=\"submit\" class=\"submut_btn\" name=\"submit\" style=\"background:#ff873d;\" value=\"Envoyer un devis\"\/><div class=\"tishi\" style=\"\"><div class=\"loading\" style=\"\"><i class=\"fas fa-spinner\"><\/i>Soumettre !<\/div><div class=\"success\" style=\"\"><i class=\"fas fa-check\"><\/i>Succ\u00e8s !<\/div><div class=\"erro\" style=\"\"><i class=\"fas fa-exclamation-circle\"><\/i>\u00c9chec de la soumission ! Veuillez r\u00e9essayer plus tard\uff01<\/div><div class=\"e-email\">Erreur de format d'e-mail !<\/div><div class=\"e-tel\">Erreur de format\uff01<\/div><\/div><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form><\/div><div class=\"wp_clear\"><\/div><\/div><div class=\"themepark-comment_in_b\" style=\"opacity:1;undefined0\"><\/div><\/div><\/div><div class=\"wp_clear\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion active sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Quelle est la duret\u00e9 de la roche pour laquelle les forets PDC conviennent ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-c76f02e6e52df4ad0bbd807f5395b7ca\" style=\"color:#666666\">R : Il convient le mieux au forage de formations peu ou moyennement dures (duret\u00e9 de Platts f &lt; 10), telles que le mudstone, <a href=\"https:\/\/www.usgs.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">schiste<\/a>gr\u00e8s, calcaire, etc. Pour le granit et le quartzite d'une duret\u00e9 extr\u00eamement \u00e9lev\u00e9e (f &gt; 12) ou d'une grande abrasivit\u00e9, il est recommand\u00e9 d'utiliser des forets diamant\u00e9s impr\u00e9gn\u00e9s, car les roches dures sont susceptibles de provoquer la fissuration des dents de coupe PDC.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Quelle est la diff\u00e9rence entre les m\u00e8ches PDC \u00e0 corps en matrice et les m\u00e8ches PDC \u00e0 corps en acier ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-903cbca18d11dab95463973caa9ce342\" style=\"color:#666666\">R : Le tr\u00e9pan \u00e0 corps d'acier est fabriqu\u00e9 en acier alli\u00e9, a une bonne t\u00e9nacit\u00e9, convient \u00e0 la formation de dents complexes et faciles \u00e0 effondrer, et est facile \u00e0 r\u00e9parer et \u00e0 r\u00e9parer pendant de nombreuses ann\u00e9es. Le tr\u00e9pan \u00e0 matrice est fritt\u00e9 par <a href=\"https:\/\/www.britannica.com\/science\/tungsten-carbide\" rel=\"nofollow noopener\" target=\"_blank\">carbure de tungst\u00e8ne<\/a> La poudre est dot\u00e9e d'une excellente r\u00e9sistance \u00e0 l'usure et d'une forte r\u00e9sistance \u00e0 l'\u00e9rosion, ce qui la rend plus adapt\u00e9e \u00e0 une formation fortement abrasive, mais elle est difficile \u00e0 r\u00e9parer.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Que dois-je faire si je rencontre une couche de cailloux ou une zone de fracture pendant le forage ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-135f39a9fed732d8c9c24055354118fa\" style=\"color:#666666\">R : La vitesse doit \u00eatre imm\u00e9diatement r\u00e9duite (\u00e0 60-80 tr\/min) et le poids sur le tr\u00e9pan doit \u00eatre r\u00e9duit pour \u00e9viter que les dents de coupe ne se fissurent en raison de l'impact s\u00e9v\u00e8re. Si la zone d'\u00e9crasement est \u00e9paisse, il est recommand\u00e9 de la remplacer par un tr\u00e9pan PDC sp\u00e9cialement con\u00e7u pour r\u00e9sister aux chocs ou d'utiliser un tr\u00e9pan impr\u00e9gn\u00e9 pour traverser l'intervalle.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Cette perceuse peut-elle \u00eatre r\u00e9par\u00e9e ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-29df39adaf2f3af2f050705ffe2f5a7f\" style=\"color:#666666\">R : Oui, en particulier les tr\u00e9pans PDC en acier. Si seules les dents de coupe sont us\u00e9es ou tombent, et que le corps du tr\u00e9pan est intact, il peut \u00eatre renvoy\u00e9 \u00e0 l'usine pour une r\u00e9paration de \"remplacement des dents\". En g\u00e9n\u00e9ral, le co\u00fbt de la r\u00e9paration ne repr\u00e9sente que 30%-40% du nouveau tr\u00e9pan, ce qui permet de r\u00e9duire consid\u00e9rablement le co\u00fbt d'utilisation.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Pourquoi le tr\u00e9pan PDC est-il plus rapide que le tr\u00e9pan impr\u00e9gn\u00e9 dans les roches tendres ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-933bc795b420aa8853ee5b9d9ef07054\" style=\"color:#666666\">R : Le m\u00e9canisme de rupture de la roche est diff\u00e9rent. Le tr\u00e9pan impr\u00e9gn\u00e9 s'appuie sur le \"broyage\" pour briser la roche, ce qui est inefficace ; le tr\u00e9pan PDC s'appuie sur la \"pelle\/le cisaillement\" pour couper la roche, ce qui permet une grande profondeur de coupe. Dans les roches tendres, l'efficacit\u00e9 de coupe du PDC est g\u00e9n\u00e9ralement plus de trois fois sup\u00e9rieure \u00e0 celle du tr\u00e9pan impr\u00e9gn\u00e9.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-themepark-block-themepark-accordion thempark-block themepark-accordion sfqpad\" style=\"border-top:solid 1px #e9e9e9;border-bottom:solid 1px #e9e9e9;\"><div class=\"themepark-accordion-head\" style=\"background-color:#ffffff;color:#333;\"><i class=\"fas fa-fas fa-question-circle\"><\/i><span><\/span>Q : Comment choisir la taille des dents de coupe (13 mm ou 19 mm) ?<\/div>\n<div class=\"wp-block-column themepark-accordion-box is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-color has-link-color has-normal-font-size wp-elements-f8a272b8284e18c67808502288d88c65\" style=\"color:#666666\">R : Le principe g\u00e9n\u00e9ral est le suivant : plus la formation est tendre, plus la dent est grande (19 mm par exemple) afin d'obtenir une vitesse de forage plus \u00e9lev\u00e9e ; plus la formation est dure, plus la dent est petite (13 mm ou moins par exemple) afin d'augmenter la densit\u00e9 de la dent et d'am\u00e9liorer la r\u00e9sistance aux chocs et la stabilit\u00e9.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"1018\" src=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9.png\" alt=\"certificat\" class=\"wp-image-13992\" srcset=\"https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9.png 720w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9-212x300.png 212w, https:\/\/www.kingpdc.com\/wp-content\/uploads\/2025\/11\/image-9-8x12.png 8w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n<\/div>\n<\/div><div class=\"layout_badh\"><\/div><\/section>\n\n\n\n<aside id=\"auto-toc-sidebar\"><\/aside>\n<style>\n#auto-toc-sidebar {\n  position: fixed;\n  left: 0;\n  width: 100%;\n  height: 82px;\n  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