| Patents for E21B 10 - Drill bits (19,464) |
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| 07/30/2014 | CN102943629B 一种双作用超硬复合齿强侧切开窗钻头及其制造工艺 A dual role of superhard composite drill teeth strong lateral windows and manufacturing processes |
| 07/30/2014 | CN102747953B 一种松软煤层分步式钻护一体化系统及工艺 One kind of soft coal seam step Drill protection integrated systems and processes |
| 07/30/2014 | CN102037208B 牙轮钻头轴承表面的构造 Construction cone bit bearing surface |
| 07/29/2014 | US8793114 Method and system for drilling rig testing using virtualized components |
| 07/29/2014 | US8790430 Polycrystalline diamond compact including a polycrystalline diamond table with a thermally-stable region having a copper-containing material and applications therefor |
| 07/29/2014 | US8789627 Polycrystalline diamond cutter with improved abrasion and impact resistance and method of making the same |
| 07/29/2014 | US8789626 Ultra hard/hard composite materials |
| 07/29/2014 | US8789625 Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods |
| 07/29/2014 | US8789624 Cutting tool integrated in a drillstring |
| 07/29/2014 | US8789623 High performance rock bit grease |
| 07/24/2014 | WO2014113315A1 Casing drilling assembly |
| 07/24/2014 | WO2014111846A1 Method for revealing anomalous discontinuity interfaces in pore pressures in non-drilled geological formations and a system implementing it |
| 07/24/2014 | WO2014111690A2 Drill bit |
| 07/24/2014 | US20140202774 Wear Element for Downhole Tool with a Cold-Pressed Graphite Wear Layer |
| 07/24/2014 | US20140202773 Roller bit for rock breaking by rotary cutting |
| 07/24/2014 | US20140202771 Hybrid drill bit and design method |
| 07/24/2014 | US20140202770 Downhole assembly, tool and method |
| 07/24/2014 | DE102014100211A1 Erdlochbohrvorrichtung Erdlochbohrvorrichtung |
| 07/23/2014 | EP2756153A2 Methods of attaching a polycrystalline diamond compact to a substrate and cutting elements formed using such methods |
| 07/23/2014 | EP2756152A2 Methods of fabricating polycrystalline diamond, and cutting elements and earth-boring tools comprising polycrystalline diamond |
| 07/23/2014 | EP2756151A2 Methods of forming polycrystalline compacts and resulting compacts |
| 07/23/2014 | EP2756150A2 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods |
| 07/23/2014 | EP2756149A1 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods |
| 07/23/2014 | CN203729889U 安装在钻机上的自动变径成孔器 Mounted on the rig into the hole is automatically adjustable |
| 07/23/2014 | CN203729888U 一种贯通式气动潜孔锤专用反循环钻头 One kind-through DTH dedicated reverse circulation drill |
| 07/23/2014 | CN203729887U 一种钻头用圆弧柱状孕镶齿 A drill arc columnar Impregnated teeth |
| 07/23/2014 | CN203729886U 钻头 Drill |
| 07/23/2014 | CN203729885U 深部硬岩钻进用钎焊镍基孕镶金刚石钻头 Deep hard rock drilling nickel based brazing impregnated diamond drill |
| 07/23/2014 | CN203729884U 弧形齿的孕镶金刚石钻头 Impregnated diamond drill curved teeth |
| 07/23/2014 | CN203729883U 长度可调螺旋钻头结构 Adjustable length auger structure |
| 07/23/2014 | CN203729882U 一种切削齿自旋式钻头 A cutting teeth spin drills |
| 07/23/2014 | CN203729881U 牙轮钻头专用密封圈及其牙轮钻头 Cone bit special seals and roller cone bits |
| 07/23/2014 | CN103946405A 钻地用切削镶件和包含其的钻地用钻头 Burrowed by cutting inserts and contains its earth-boring drill |
| 07/23/2014 | CN103939128A 瓦斯抽采管钻送方法 Gas drainage tube feeding method drill |
| 07/23/2014 | CN103939030A 一种用于保护牙轮钻机钻具的稳杆器 A method for protecting the stability of rotary drill drill rod device |
| 07/23/2014 | CN103939024A 一种硬砂质土钻头 A hard sandy soil drill |
| 07/23/2014 | CN103939023A 牙轮钻头、安装牙轮钻头挡圈的工装及挡圈的安装方法 Cone bit, installation tooling cone bit retaining rings and snap ring installation methods |
| 07/23/2014 | CN103939022A 一种pdc钻头与牙轮钻头联合破岩的组合钻头 Combination pdc drill bit combined breaking one kind of rock and roller cone bits |
| 07/23/2014 | CN103939021A 一种砂质土钻头 One kind of sandy soil drill |
| 07/23/2014 | CN103939020A 一种防缠绕的深层搅拌桩钻头 An anti-wrapped deep mixing pile drill |
| 07/23/2014 | CN103939016A 气举反循环潜式横旋方孔钻机 Gas lift reverse circulation-submersible drilling rig transverse spin square hole |
| 07/23/2014 | CN103939015A 灌注方桩钻机 Perfusion square pile rig |
| 07/23/2014 | CN103939014A 泵举反循环潜式横旋方孔钻机 Submersible pump lift reverse circulation drilling rig horizontal spin square hole |
| 07/23/2014 | CN102828696B 坚硬打滑地层钻进用铁基孕镶金刚石钻头 Hard formation drilling drill slipping iron-based Impregnated Diamond |
| 07/22/2014 | US8783389 Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements |
| 07/22/2014 | US8783388 Superabrasive inserts including an arcuate peripheral surface |
| 07/22/2014 | US8783387 Cutter geometry for high ROP applications |
| 07/22/2014 | US8783386 Stabilizing members for fixed cutter drill bit |
| 07/22/2014 | US8783385 Rock bit having a mechanical seal with superior thermal performance |
| 07/22/2014 | US8783384 Fiber-containing diamond-impregnated cutting tools and methods of forming and using same |
| 07/22/2014 | US8783383 Borehole impact rock breaker |
| 07/22/2014 | US8783380 Apparatuses and methods relating to cooling a subterranean drill bit and/or at least one cutting element during use |
| 07/22/2014 | US8783366 Article of manufacture having a sub-surface friction stir welded channel |
| 07/17/2014 | WO2013155059A3 System and method for forming a lateral wellbore |
| 07/17/2014 | US20140198827 Temperature sensor |
| 07/17/2014 | US20140196959 Downhole drill bit |
| 07/17/2014 | US20140196958 Increased point of contact Tungsten Carbide insert for fixed rotary drill bit |
| 07/17/2014 | US20140196957 Tooth for roller crusher |
| 07/17/2014 | US20140196956 High shear roller cone drill bits |
| 07/16/2014 | CN203716857U 一种入土钻具 One kind of buried drill |
| 07/16/2014 | CN203716856U 孕镶pdc跨界钻头 Impregnated pdc drill transboundary |
| 07/16/2014 | CN203716855U 一种斜桩嵌岩冲孔锤 A slant punching rock-socketed pile hammer |
| 07/16/2014 | CN203716854U 岩溶地质旋挖钻钻具 Karst geology drilling Rotary Drilling |
| 07/16/2014 | CN203716853U 新型的扩底铲斗 New belled Bucket |
| 07/16/2014 | CN203716852U 一种矿用三牙轮钻头 One kind of mining tricone bit |
| 07/16/2014 | CN103930640A 钻岩工具和用于钻岩工具的钻头 Rock drilling tools and drill bits for rock drilling tools |
| 07/16/2014 | CN103924930A 一种适用于强研磨性硬地层的孕镶齿及其制备方法 Impregnated teeth and a preparation method is suitable for strong abrasive hard formation |
| 07/16/2014 | CN103924929A 一种智能双扩刀翼扩眼桩机钻头 An intelligent dual expansion blades and drill reaming pile |
| 07/16/2014 | CN103924928A 旋喷注浆一体化钻头和锚索的配合结构及其施工方法 Churning with the structure and its construction method integrated drill and anchor grouting |
| 07/16/2014 | CN103924927A 一种桩孔智能扩径方法 One kind of intelligence flaring method Pile |
| 07/16/2014 | CN102839918B 冰层定向钻井热熔钻头 Hot melt ice drill directional drilling |
| 07/16/2014 | CN102137981B 用于拓宽并且同时监测井的直径和流体特性的钻井工具和方法 Drilling tools and methods diameter and fluid properties for widening and simultaneously monitoring wells |
| 07/15/2014 | US8777521 Steel pipe pile and method of installing the steel pipe pile |
| 07/15/2014 | US8776913 Special curve braze sheet for top loading cutter to get better braze strength |
| 07/15/2014 | US8776912 Secondary cutting structure |
| 07/15/2014 | CA2597390C Steerable rotary directional drilling tool for drilling boreholes |
| 07/15/2014 | CA2533430C Down hole hammer drill |
| 07/10/2014 | US20140190752 Impregnated bit with improved cutting structure and blade geometry |
| 07/10/2014 | US20140190748 Drilling device and process |
| 07/10/2014 | DE112012003844T5 Aufweitungskopf-Lageranordnung Widening head bearing assembly |
| 07/09/2014 | EP2751369A2 Mechanical attachment of thermally stable diamond to a substrate |
| 07/09/2014 | CN203702026U 钻机钻杆螺旋排渣机构 Spiral drill rig slagging agency |
| 07/09/2014 | CN203701991U 钻斗和旋挖钻机 Drill bucket and rotary drilling rig |
| 07/09/2014 | CN203701990U 一种设置有金刚石复合片和金刚石孕镶块的混合钻头 A diamond and diamond-impregnated composite sheet hybrid block drill set |
| 07/09/2014 | CN203701989U 螺旋刀翼钢体pdc钻头 Helical blades and steel body pdc drill |
| 07/09/2014 | CN203701988U 旋挖钻具和旋挖钻机 Auger drilling and rotary drilling rig |
| 07/09/2014 | CN203701987U 钢体微斜四刀翼pdc钻头 Steel body pdc slightly oblique four blades and drill bits |
| 07/09/2014 | CN203701986U 钢体螺旋五刀翼pdc钻头 Spiral five blades and steel body pdc drill |
| 07/09/2014 | CN203701985U 钢体五刀翼pdc钻头 Five blades and steel body pdc drill |
| 07/09/2014 | CN203701984U 自带增压装置pdc钻头 Pdc drill comes with supercharging device |
| 07/09/2014 | CN203701983U 钢体螺旋四刀翼pdc钻头 Spiral four blades and steel body pdc drill |
| 07/09/2014 | CN203701982U 复合桥塞磨铣专用钻头 Composite bridge plug milling special drill |
| 07/09/2014 | CN203701981U 一种扩孔钻头 One kind of reaming drill |
| 07/09/2014 | CN203701980U 可变径扩底钻头及钻孔机械 Reducing belled can drill and drilling machinery |
| 07/09/2014 | CN203701979U 可变径扩底钻头及钻孔机械 Reducing belled can drill and drilling machinery |
| 07/09/2014 | CN203701978U 可变径扩底钻头及钻孔机械 Reducing belled can drill and drilling machinery |
| 07/09/2014 | CN203701977U 可变径扩底钻头及钻孔机械 Reducing belled can drill and drilling machinery |
| 07/09/2014 | CN203701976U 掏挖基础底端扩孔装置 Digging the foundation at the bottom reaming apparatus |
| 07/09/2014 | CN203701975U 一种扩孔钻头 One kind of reaming drill |
| 07/09/2014 | CN203701974U 扩大头锚杆专用岩石扩孔钻头 Expand reaming head bolt dedicated rock drill |