| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 12/10/2014 | CN204002604U 一种钎杆限位导向装置 A flux guide rod limit |
| 12/10/2014 | CN204002603U 用于煤层气井的作业管柱 CBM wells for string operations |
| 12/10/2014 | CN204002602U 加重方钻杆 Aggravated Kelly |
| 12/10/2014 | CN204002601U 三重密封抗压缩套管螺纹连接结构 Triple seal resistance to compression sleeve threaded connection |
| 12/10/2014 | CN204002600U 一种圆弧形三棱钻杆 One kind of arc-shaped triangular drill |
| 12/10/2014 | CN204002599U 钻具和旋挖钻机 Drilling and rotary drilling rig |
| 12/10/2014 | CN204002598U 无加厚整体式加重钻杆 No thick monolithic HWDP |
| 12/10/2014 | CN204002560U 用于水平分支喷射钻井的自牵引软管总成 For jet drilling horizontal branch since pulling hose assembly |
| 12/10/2014 | CN204002536U 三件式钻具 Three-piece drill |
| 12/10/2014 | CN204000852U 多排多轴水泥土搅拌桩钻机 Multi-row multi-axis cement mixing pile rig |
| 12/10/2014 | CN204000850U 一种两驱二重管相向深搅水泥土桩机 A two-drive double pipe facing deep mixing cement soil pile |
| 12/10/2014 | CN204000845U 一种干取土节能潜孔锤灌注桩及其设备 A dry earth saving DTH pile and its equipment |
| 12/10/2014 | CN1914404B 用于加固柔性管的组件和方法 Reinforcement of the flexible tube assembly and method for |
| 12/10/2014 | CN104204399A 用于烃井钻探和开采的管形构件和制成的螺纹接头 Tubular member for well drilling and exploitation of hydrocarbons and nipple made |
| 12/10/2014 | CN104204398A 压力激活的应急释放系统和方法 Pressure activated emergency release system and method |
| 12/10/2014 | CN104204395A 利用具有带混合衬的转子和/或定子的渐进空腔式马达和泵的设备和方法 The use of a rotor having a liner with a mixing apparatus and methods and / or the stator of progressive cavity pumps and motors |
| 12/10/2014 | CN104196467A 抽油杆丝扣连接固定器 Threaded rod holder connection |
| 12/10/2014 | CN104196466A 钻杆上的弹卡挡头 Playing cards on the stopper drill |
| 12/10/2014 | CN104196465A 旋挖钻机通用钻杆与潜孔锤的连接方式及其应用 Universal rotary drilling rig drill pipe and DTH connections and its application |
| 12/10/2014 | CN104196464A 管柱串及桥塞坐封与喷砂射孔联作的方法 String string and bridge plug and packer blasting method Perforation |
| 12/10/2014 | CN104196463A 用于煤层气井的作业管柱 CBM wells for string operations |
| 12/10/2014 | CN104196454A 造斜扩孔钻具 Whipstocking reaming drill |
| 12/10/2014 | CN104196450A 一种用于软地质层加固的改进钻具 A soft layer of reinforcement improved geological drill |
| 12/10/2014 | CN103306613B 一种可调可旋分离盘的海洋隔水管涡激振动抑制装置 An adjustable rotatable disc isolated marine riser VIV suppression devices |
| 12/10/2014 | CN102953689B 一种放射源仓和具有该放射源仓的钻铤 One kind of radioactive drill collar positions and have the radioactive warehouse |
| 12/10/2014 | CN102881401B 一种套管消磁仪及其消磁方法 A degaussing degaussing method and apparatus casing |
| 12/09/2014 | US8905698 Retaining ring |
| 12/09/2014 | US8905163 Rotary drill bit with improved steerability and reduced wear |
| 12/09/2014 | US8905161 Drill pipe protector assembly |
| 12/09/2014 | US8905148 Force monitoring tractor |
| 12/09/2014 | US8905143 Riser configuration |
| 12/09/2014 | US8905142 Guide frame for riser tower |
| 12/04/2014 | US20140353963 Telescoping Pipe Connector |
| 12/04/2014 | US20140353045 Drill pipe with replaceable tool joints |
| 12/04/2014 | US20140353032 Expandable apparatus and related methods |
| 12/04/2014 | US20140352979 Collar |
| 12/04/2014 | US20140352978 Device for a Pipe Handling Unit and Method of Inserting and Withdrawing a Pipe String in/from a Borehole |
| 12/04/2014 | US20140352941 Transmission line for wired pipe |
| 12/02/2014 | US8900511 High-strength nonmagnetic stainless steel, and high-strength nonmagnetic stainless steel part and process for producing the same |
| 12/02/2014 | US8899629 Connection between a drill pipe and a connector |
| 12/02/2014 | US8899347 System and method of using a saver sub in a drilling system |
| 12/02/2014 | US8899338 Method and apparatus for installing a wireline for logging or other operations in an under-balanced well |
| 12/02/2014 | US8899333 Submarine device |
| 11/27/2014 | US20140349505 Connector for tubular elements |
| 11/27/2014 | US20140348695 Low alloy steel |
| 11/27/2014 | US20140346772 Elastomeric Sleeve-Enabled Telescopic Joint for a Marine Drilling Riser |
| 11/27/2014 | US20140345950 Driller retaining device able to be positioned with well horizontality and verticality |
| 11/27/2014 | US20140345854 Method for making centralizers for centralising a tight fitting casing in a borehole |
| 11/27/2014 | US20140345853 Composite Bow Centralizer |
| 11/25/2014 | US8893827 Drilling apparatus |
| 11/25/2014 | US8893824 Steerable drilling system |
| 11/25/2014 | US8893822 Apparatus and methods for real time communication between drill bit and drilling assembly |
| 11/25/2014 | US8893820 Drive system for interconnecting attachment devices and handheld rotary power tools |
| 11/25/2014 | US8893802 Assembly for supporting at least one fluid transport pipe through an expanse of water, and associated facility and method |
| 11/25/2014 | US8893801 Method and apparatus for pressure-actuated tool connection and disconnection |
| 11/20/2014 | US20140339781 Receptacle for tubular drilling tools having different diameters |
| 11/20/2014 | US20140339484 Device for Supporting and Guiding Supplying Lines for Digging Devices |
| 11/20/2014 | US20140338978 Wellbore percussion adapter and tubular connection |
| 11/20/2014 | US20140338919 Multiple Flexible Seafloor-Surface Linking Apparatus Comprising At Least Two Levels |
| 11/20/2014 | US20140338893 Composite Bow Centralizer |
| 11/20/2014 | US20140338885 Insulative coating processes for electromagnetic telemetry mandrels |
| 11/18/2014 | US8890341 Harvesting energy from a drillstring |
| 11/18/2014 | US8888412 Seabed-to-surface linking equipment including a flexible pipe guiding structure |
| 11/18/2014 | US8888142 Releasable connector for an off-shore oil installation |
| 11/18/2014 | US8887835 Drilling apparatus |
| 11/18/2014 | US8887834 Drilling tool steering device |
| 11/18/2014 | US8887832 Apparatus and methods for corrosion protection of downhole tools |
| 11/18/2014 | US8887817 Intermediate disconnection tool to be placed in a shuttle lowered into a well for exploiting a fluid, and related shuttle and method |
| 11/18/2014 | US8887814 Offshore universal riser system |
| 11/18/2014 | US8887802 Torque absorbtion anchor system and method to assemble same |
| 11/18/2014 | US8887798 Hydraulic stabilizer for use with a downhole casing cutter |
| 11/13/2014 | US20140333065 Threaded Tool Joint Connection |
| 11/13/2014 | US20140333064 Riser claimp |
| 11/13/2014 | US20140332276 Method and apparatus for plastic pipe drilling |
| 11/13/2014 | US20140332272 Insulated conductor for downhole drilling equipment |
| 11/13/2014 | US20140332230 Double swivel apparatus and method |
| 11/11/2014 | US8882390 Method for installing an operating rig for a fluid in a body of water with a traction unit |
| 11/11/2014 | US8881843 Managed pressure and/or temperature drilling system and method |
| 11/11/2014 | US8881833 Remotely controlled apparatus for downhole applications and methods of operation |
| 11/11/2014 | US8881831 Offshore universal riser system |
| 11/11/2014 | US8881830 Riser pipe section with flanged auxiliary lines and bayonet connections |
| 11/11/2014 | US8881824 Mechanically actuated device positioned below mechanically actuated release assembly utilizing J-slot device |
| 11/11/2014 | US8881772 Wellbore pipe protection device |
| 11/06/2014 | US20140328631 Pull tube stress joint for offshore platform |
| 11/06/2014 | US20140327242 Tubular component for boring and exploiting hydrocarbons wells and resultant threaded joint |
| 11/06/2014 | US20140326513 Downhole Tool Impact Dissipating Tool |
| 11/06/2014 | US20140326508 Downhole Tool Impact Dissipating Tool |
| 11/06/2014 | US20140326468 Method of using a top drive system |
| 11/06/2014 | US20140326466 Systems and Methods for Providing Fiber Optics in Downhole Equipment |
| 11/06/2014 | US20140326461 Buoyancy compensating element and method |
| 11/06/2014 | US20140326460 Buoyancy compensating element and method |
| 11/06/2014 | US20140326454 Methods and apparatus for wellbore construction and completion |
| 11/06/2014 | US20140326447 Perforated pipe and apparatus, system and method for perforating a pipe |
| 11/04/2014 | US8875796 Well tool assemblies with quick connectors and shock mitigating capabilities |
| 11/04/2014 | US8875794 Trigger joint |
| 11/04/2014 | US8875793 Connecting device for kill/choke lines between a riser and a floating drilling vessel |
| 11/04/2014 | US8875792 Apparatus for and method of protecting an umbilical |
| 11/04/2014 | US8875791 Segmented fiber optic coiled tubing assembly |
| 10/30/2014 | US20140319831 Casing connection |
| 10/30/2014 | US20140318869 Methods and systems for controlling torque transfer from rotating equipment |