| Patents for E21B 10 - Drill bits (19,464) |
|---|
| 02/04/2015 | CN104329020A 一种加强型长螺旋嵌岩施工设备及其工艺 A way of strengthening the long spiral embedded in rock type of construction equipment and technology |
| 02/04/2015 | CN103015900B 一种牙轮钻头的牙齿 One kind of cone drill teeth |
| 02/03/2015 | US8945720 Hard composite with deformable constituent and method of applying to earth-engaging tool |
| 02/03/2015 | US8945249 Methods for characterizing a polycrystalline diamond element by magnetic measurements |
| 02/03/2015 | US8943663 Methods of forming and repairing cutting element pockets in earth-boring tools with depth-of-cut control features, and tools and structures formed by such methods |
| 02/03/2015 | CA2698169C Drill bit |
| 01/29/2015 | WO2015013354A1 Cutter support element |
| 01/29/2015 | WO2015011643A1 Instrumented rotary tools with attached cutters |
| 01/29/2015 | US20150028657 Cutter for shaft and/or tunnel boring |
| 01/29/2015 | US20150027788 Cutter Support Element |
| 01/29/2015 | US20150027787 Cutting elements, related methods of forming a cutting element, and related earth-boring tools |
| 01/29/2015 | US20150027786 Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements |
| 01/29/2015 | US20150027785 Borehole cutter retention and fastening/locking system |
| 01/28/2015 | EP2828463A1 Reaming shoe for increased borehole clearance |
| 01/28/2015 | CN204126558U 一种钻头保径结构 A drill gage structure |
| 01/28/2015 | CN204126557U 扭力冲击器钻头 Torque Hammer Drill |
| 01/28/2015 | CN204126556U 旋挖钻头和钻具 Auger drill bit and drill |
| 01/28/2015 | CN104321501A 以基质材料制作井下工具的方法 Methods matrix material downhole tool |
| 01/28/2015 | CN104321175A 扩径用钻头 Enlarged diameter drill |
| 01/28/2015 | CN104314482A 用于松软煤层钻进封闭式螺旋护孔钻具及其使用方法 Closed for soft coal seam drilling screw retaining hole drill and methods of use |
| 01/28/2015 | CN104314477A 一种基于适配器的钻杆 An adapter is based on drill |
| 01/28/2015 | CN104314473A 可实现偏心摆动旋转的pdc钻头工具 Can achieve eccentric rotating swing pdc drill tool |
| 01/28/2015 | CN104314468A 一种矿井顶板的钻孔装置 Mine roof of a drilling device |
| 01/28/2015 | CN104314463A 一种管桩用地钻机 One kind of pile land rig |
| 01/28/2015 | CN103089153B 一种宽齿牙轮复合钻头 One kind of wide-tooth composite cone drill |
| 01/27/2015 | US8939238 High quality PCD compact |
| 01/27/2015 | US8939237 Underground drilling apparatus |
| 01/27/2015 | US8939236 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools |
| 01/27/2015 | CA2802493C Downhole cutting tool having center beveled mill blade |
| 01/27/2015 | CA2775842C Earth-boring tools having expandable members |
| 01/22/2015 | WO2015009298A1 Joints comprising carbon nanoforests |
| 01/22/2015 | WO2015006832A1 Ground working tool with replaceable teeth |
| 01/22/2015 | US20150021101 Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance |
| 01/22/2015 | US20150021100 Thermally stable polycrystalline compacts for reduced spalling earth-boring tools including such compacts, and related methods |
| 01/22/2015 | US20150021099 Cutting members with integrated abrasive elements |
| 01/22/2015 | US20150021096 Coring tools and methods for making coring tools and procuring core samples |
| 01/21/2015 | CN204113126U 螺杆钻具用分体式万向轴总成 Screw drill with split cardan shaft assembly |
| 01/21/2015 | CN204113125U 防堵钻头 Attempts to prevent the drill bit |
| 01/21/2015 | CN204113124U 防堵注浆钻头 Attempts to prevent the grouting drill |
| 01/21/2015 | CN204113123U 防堵钻进注浆复合钻头 Attempts to prevent drilling grouting compound drill |
| 01/21/2015 | CN204113122U 一种井下扩孔用高压水喷射钻头 A downhole drill bit reaming with high pressure water jet |
| 01/21/2015 | CN204113121U 钢筋混凝土灌注桩腰部扩桩装置 Reinforced concrete piles with pile waist device |
| 01/21/2015 | CN204113120U 一种矿用风水分离牙轮钻头 An ore separation cone bit with feng shui |
| 01/21/2015 | CN204113119U 一种石油勘探钻装置 A petroleum exploration and drilling equipment |
| 01/21/2015 | CN204113114U 一种刚性马达钻具 A rigid drill motor |
| 01/21/2015 | CN204107574U 锥形硬质合金刀头 Conical carbide tips |
| 01/21/2015 | CN104302863A 保持在套管内的切割元件 Maintaining the cutting element in the sleeve |
| 01/21/2015 | CN104302862A 用于冲击钻削的钻头 Impact drill bit for drilling |
| 01/21/2015 | CN104295240A 一种新型金刚石钻头 A new diamond drill |
| 01/21/2015 | CN102678057B 一种金刚石复合片及其制备方法 A complex piece of diamond and its preparation method |
| 01/21/2015 | CN101956527B 耐高压耐冲击弹性滑块轴承牙轮钻头 High pressure resistance, impact elastic slider bearing cone bit |
| 01/21/2015 | CN101881136B 一种复合密封牙轮钻头 A composite sealing cone bit |
| 01/21/2015 | CN101701507B 带挤压扩壁功能的扩孔器 Wall function with extrusion expansion reamer |
| 01/20/2015 | US8936117 Methods of fabricating polycrystalline diamond elements and compacts using SP2-carbon-containing particles |
| 01/20/2015 | US8936116 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and methods of forming cutting elements for earth-boring tools |
| 01/20/2015 | US8936115 PCD cutter with fins and methods for fabricating the same |
| 01/20/2015 | US8936114 Composites comprising clustered reinforcing agents, methods of production, and methods of use |
| 01/20/2015 | US8936113 Percussion mole and method of geothermal heat exchange |
| 01/20/2015 | US8936112 Device for actuating a bottom tool |
| 01/20/2015 | US8936110 Under reamer |
| 01/20/2015 | US8936109 Cutting elements for cutting tools |
| 01/20/2015 | US8936108 High power laser downhole cutting tools and systems |
| 01/20/2015 | US8936099 Cam mechanism for downhole rotary valve actuation and a method for drilling |
| 01/15/2015 | WO2015006696A1 Cutter protection during leaching process |
| 01/15/2015 | WO2015003267A1 Mud motor with integrated reamer |
| 01/15/2015 | US20150014067 Cutter protection during leaching process |
| 01/15/2015 | US20150014060 Tricone Bit Construction |
| 01/14/2015 | EP2823127A1 Cutting elements retained within sleeves |
| 01/14/2015 | CN204098791U 一种自钻式中空锚杆钻头 A self-drilling hollow bolt drill |
| 01/14/2015 | CN204098790U 一种超硬材料复合片 One kind of superhard material composite sheet |
| 01/14/2015 | CN204098789U 一种适用于塑性地层的pdc钻头 One for plastic pdc drill formations |
| 01/14/2015 | CN204098788U 桩机钻头用带锯齿切削齿 Pile driver drill with a serrated cutting teeth |
| 01/14/2015 | CN204098787U 适用于石油勘探井可形成粗颗粒岩屑的pdc钻头 For petroleum exploration wells to form coarse particles pdc drill cuttings |
| 01/14/2015 | CN204098786U 一种用于干湿喷搅拌工艺的钻具 Drill for wet jet mixing process |
| 01/14/2015 | CN104278953A 一种聚晶金刚石复合齿、制备方法及潜孔钻头 One kind of polycrystalline diamond composite teeth, preparation and DTH drill |
| 01/14/2015 | CN103266854B 液动冲旋子母钻头 Picture hydraulic rotary drill punch |
| 01/14/2015 | CN102395744B 钻孔钻头和使用聚晶金刚石复合片刀具钻孔钻头的方法 Drill bit and using polycrystalline diamond compact cutter drill drilling method |
| 01/13/2015 | US8932377 Deep leach pressure vessel for shear cutters |
| 01/13/2015 | US8932376 Diamond-bonded bodies and compacts with improved thermal stability and mechanical strength |
| 01/13/2015 | US8931854 Layered polycrystalline diamond |
| 01/13/2015 | US8931582 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element |
| 01/08/2015 | US20150008048 Coated particles and related methods |
| 01/08/2015 | US20150008047 Polycrystalline compacts including crushed diamond nanoparticles, cutting elements and earth boring tools including such compacts, and methods of forming same |
| 01/08/2015 | US20150008046 Impregnated rotary bit with high density monoblock center structure |
| 01/08/2015 | US20150008043 Rotary Steerable Push-the-Bit Drilling Apparatus with Self-Cleaning Fluid Filter |
| 01/08/2015 | US20150008041 High Stiffness Tool For Expanding A Wellbore |
| 01/08/2015 | CA2849491A1 Impregnated rotary bit with high density monoblock center structure |
| 01/07/2015 | CN204082017U 一种超深井用长保径负压抗冲击pdc钻头 An ultra-deep well with a long gage negative impact pdc drill |
| 01/07/2015 | CN204082016U 一种金刚石复合片基体 A composite sheet substrate diamond |
| 01/07/2015 | CN204082015U 一种钻头 A drill |
| 01/07/2015 | CN204082014U 一种组合式pdc钻头 A modular pdc drill |
| 01/07/2015 | CN204082013U 一种三斜面空气锤钻头端面结构 A three-beveled end structures air hammer drill |
| 01/07/2015 | CN204082012U 一种锚杆扩孔钻头 One kind of anchor reaming drill |
| 01/07/2015 | CN204082011U 单牙轮pdc同心随钻扩眼钻头 Pdc concentric single cone drill drilling reaming |
| 01/07/2015 | CN204082010U 一种射流摇臂式大直径扩孔工具 One kind of jet rocker large diameter reaming tool |
| 01/07/2015 | CN204082009U 迷宫式矿用三牙轮钻头 Labyrinth mine tricone bit |
| 01/07/2015 | CN204082008U 旋挖钻头 Auger drill |
| 01/07/2015 | CN204082007U 一种二次成孔装置 A secondary pore system |
| 01/07/2015 | CN204082006U 一种三斜面空气锤钻头 A three-bevel air hammer drill |
| 01/07/2015 | CN204082001U 钻井法凿井垂直钻进钻具 Shaft Drilling vertical drilling drill |