| Patents for E21B 10 - Drill bits (19,464) |
|---|
| 03/05/2015 | WO2015031082A1 Drilling tool and apparatus |
| 03/05/2015 | WO2015030966A2 Methods and systems for removing diamond-diamond bonding catalysts from polycrystalline diamond |
| 03/05/2015 | WO2015030791A1 Improved cutters for drill bits |
| 03/05/2015 | WO2015030719A1 Bicomponent seals comprising aligned elongated carbon nanoparticles |
| 03/05/2015 | US20150060152 Cutting elements for earth-boring tools and earth-boring tools including such cutting elements |
| 03/05/2015 | US20150060151 Cutting elements with wear resistant diamond surface |
| 03/05/2015 | US20150060150 Mass balancing drill bit design methods and manufacturing |
| 03/05/2015 | US20150060149 Drill bit having shear and pick-type cutters |
| 03/05/2015 | US20150060148 Drilling tool and apparatus |
| 03/05/2015 | US20150060142 Mechanical core jam indicator for coring tools, coring tools including such core jam indicators, and related methods |
| 03/05/2015 | US20150060040 Downhole Cutting Tool Having A Jetted Top Bushing |
| 03/05/2015 | DE102014216339A1 Bohrwerkzeug und -vorrichtung Drill and apparatus |
| 03/03/2015 | US8968436 Increase toughness of polycrystalline diamond |
| 03/03/2015 | US8967871 Bearing assemblies and apparatuses including tilting superhard bearing elements, and motor assemblies using the same |
| 03/03/2015 | US8967301 Composite metallic elastomeric sealing components for roller cone drill bits |
| 03/03/2015 | US8967300 Pressure activated flow switch for a downhole tool |
| 02/26/2015 | WO2015026905A1 Percussion hammer bit |
| 02/26/2015 | WO2015026532A1 Tool bit for cutting an object |
| 02/26/2015 | WO2015026452A1 Hybrid rotary cone drill bit |
| 02/26/2015 | WO2015026146A1 Drill bit to directly discharge excavated slime above ground and method of using same |
| 02/26/2015 | WO2015025163A2 Improvements in or relating to tools |
| 02/26/2015 | US20150053486 Cutting elements, bearings, and earth-boring tools including multiple substrates attached to one another |
| 02/26/2015 | US20150053422 Hybrid rotary cone drill bit |
| 02/25/2015 | EP2839941A1 Diameter-expanding drill bit |
| 02/24/2015 | US8961719 Super-hard structure, tool element and method of making same |
| 02/24/2015 | US8960338 Superabrasive compact including at least one braze layer thereon |
| 02/24/2015 | US8960337 High impact resistant tool with an apex width between a first and second transitions |
| 02/24/2015 | US8960336 Rock drill bit |
| 02/24/2015 | US8960335 Bit for drilling wells and associated drilling method |
| 02/24/2015 | US8960333 Selectively actuating expandable reamers and related methods |
| 02/24/2015 | US8960332 Earth removal member with features for facilitating drill-through |
| 02/24/2015 | US8960329 Steerable piloted drill bit, drill system, and method of drilling curved boreholes |
| 02/24/2015 | US8960328 Drill bit with adjustable side force |
| 02/24/2015 | CA2787067C Shock reduction tool for a downhole electronics package |
| 02/24/2015 | CA2686423C Method and apparatus for drilling and lining a wellbore |
| 02/19/2015 | WO2015023953A1 Using magnetic force/field for drill bits and other cutting tools |
| 02/19/2015 | WO2015023933A1 Locking ring with stabilizing blades |
| 02/19/2015 | WO2015023925A1 Locking ring with tapered recesses |
| 02/19/2015 | WO2015023852A1 Downhole cutting tools having rolling cutters with non-planar cutting surfaces |
| 02/19/2015 | WO2015022065A2 Drill head for expanding a pilot bore in order to create a borehole |
| 02/19/2015 | US20150047913 Cutters for fixed cutter bits |
| 02/19/2015 | US20150047912 Drill bit and cutters for a drill bit |
| 02/19/2015 | US20150047911 Using magnetic force/field for drill bits and other cutting tools |
| 02/19/2015 | US20150047910 Downhole cutting tools having rolling cutters with non-planar cutting surfaces |
| 02/19/2015 | US20150047909 WD Sidewall Coring Tool |
| 02/19/2015 | US20150047905 Drilling systems and multi-faced drill bit assemblies |
| 02/18/2015 | EP2836677A1 Apparatuses and methods for at-bit resistivity measurements for an earth-boring drilling tool |
| 02/18/2015 | EP2836335A1 High-pressure high-temperature cell |
| 02/17/2015 | US8956438 Low coefficient of thermal expansion cermet compositions |
| 02/17/2015 | US8955734 Ball hole welding using the friction stir welding (FSW) process |
| 02/17/2015 | US8955622 Grease distribution system for roller cone bit passing through a retaining bore in the head |
| 02/17/2015 | US8955413 Manufacturing methods for high shear roller cone bits |
| 02/17/2015 | CA2777471C Through drillstring logging systems and methods |
| 02/16/2015 | CA2859539A1 Drilling systems and multi-faced drill bit assemblies |
| 02/12/2015 | US20150041225 Polycrystalline superhard material and method for making same |
| 02/12/2015 | US20150041224 Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming same |
| 02/12/2015 | US20150041223 Drill bit for percussive drilling |
| 02/12/2015 | US20150041222 Earth-boring tools and methods of forming earth-boring tools |
| 02/12/2015 | US20150041219 Housing, Mandrel and Bearing Assembly Positionable in a Wellbore |
| 02/11/2015 | CN204154527U 一种沥青路面专用取芯钻头 Asphalt pavement for coring drill |
| 02/11/2015 | CN204152441U 一种具有逆向喷射功能的pdc钻头 Pdc drill having a reverse jet function |
| 02/11/2015 | CN204152440U 一种具有横向喷射水力结构的pdc钻头 A kind of hydraulic structures transjector pdc drill |
| 02/11/2015 | CN204152439U 反扣螺杆钻具 Flip screw drill |
| 02/11/2015 | CN204152438U 一种管桩设备头部钻件 One kind of pile head drilling equipment parts |
| 02/11/2015 | CN204152437U 一种矿井钻孔设备用的钻头 Drilling equipment used in mine drill |
| 02/11/2015 | CN204152425U 一种管桩用地钻机 One kind of pile land rig |
| 02/11/2015 | CN104350027A 多晶金刚石材料及形成方法 Polycrystalline diamond material and forming method |
| 02/11/2015 | CN104343391A 一种耐磨工具 A wear-resistant tools |
| 02/11/2015 | CN104343390A 一种水利扩孔系统 One kind of water conservancy reaming system |
| 02/11/2015 | CN104343388A 一种泥浆对注的水平定向穿越设备 One kind of horizontal directional drilling mud through the injection device |
| 02/11/2015 | CN104343383A 一种用于土遗址的钻孔装置 An apparatus for drilling earthen sites |
| 02/11/2015 | CN102587840B 一种硬地层套管开窗钻头 A hard formation drill casing window |
| 02/10/2015 | US8950519 Polycrystalline diamond compacts with partitioned substrate, polycrystalline diamond table, or both |
| 02/10/2015 | US8950518 Matrix tool bodies with erosion resistant and/or wear resistant matrix materials |
| 02/10/2015 | US8950517 Drill bit with a retained jack element |
| 02/10/2015 | US8950516 Borehole drill bit cutter indexing |
| 02/10/2015 | US8950515 Cone retention and tapered bearing preload system for roller cone bit |
| 02/10/2015 | US8950514 Drill bits with anti-tracking features |
| 02/10/2015 | US8950511 Apparatus and method for installing ground anchoring systems |
| 02/10/2015 | CA2671427C Displacement members and methods of using such displacement members to form bit bodies of earth-boring rotary drill bits |
| 02/05/2015 | WO2015017359A1 Cutting elements, related methods of forming a cutting element, and related earth-boring tools |
| 02/05/2015 | US20150034394 Earth-boring tools and methods of forming such earth-boring tools |
| 02/05/2015 | DE102013108233A1 Bohrer Drill |
| 02/04/2015 | EP2832480A1 Drill bit |
| 02/04/2015 | EP2831362A1 Roller cone drill bit with cuttings evacuator |
| 02/04/2015 | CN204139979U 抗冲击金刚石硬质合金复合片 Shock diamond carbide composite sheet |
| 02/04/2015 | CN204139978U 一种变曲率螺旋打桩机钻头 A variation of the curvature of the spiral drill hammers |
| 02/04/2015 | CN204139977U 高压旋喷锚杆扩孔装置 High pressure jet grouting anchor reaming device |
| 02/04/2015 | CN204139976U 一种设有缩颈圈装置的钻头 A constriction ring device has a drill |
| 02/04/2015 | CN204139975U 一种用于绳索取心钻进的无岩心钻进装置 No rope core for core drilling drilling equipment |
| 02/04/2015 | CN204139974U 新型锚杆钻头 The new anchor drill |
| 02/04/2015 | CN204139973U 钻头和钻头的拧卸设备 Drill and drill equipment breakout |
| 02/04/2015 | CN204139965U 可分组启动的多轴钻机 Start of multi-axis drilling rig can be grouped |
| 02/04/2015 | CN104334818A 切削元件、切削工具和在钻孔内切削的方法 Cutting elements, cutting tools and cutting methods in the borehole |
| 02/04/2015 | CN104334816A 具备多个凿条的破碎锤用凿组件 Have multiple chisel hammer chisel bar assembly |
| 02/04/2015 | CN104329031A 一种具有横向喷射水力结构的pdc钻头 A kind of hydraulic structures transjector pdc drill |
| 02/04/2015 | CN104329030A 一种六点定位内凹三翼pdc不取芯钻头结构及其保径方法 One kind of six o'clock position recessed three wings pdc no structure and core drill gage method |
| 02/04/2015 | CN104329029A 一种冲击钻头 An impact drill |
| 02/04/2015 | CN104329028A 分体式内喷射反循环旋冲钻头 Within a split jet reverse circulation rotary percussion drill |
| 02/04/2015 | CN104329027A 一种双壁钻杆反循环钻井射流泵钻头 One kind of double-wall drill pipe drill jet pump reverse circulation drilling |