| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
|---|
| 08/25/2011 | US20110203804 Riser section connector with flanges, internal locking ring and external locking collar |
| 08/25/2011 | US20110203791 Coated sleeved oil and gas well production devices |
| 08/25/2011 | US20110203790 System and method for sealing couplings in downhole tubing strings |
| 08/25/2011 | CA2790701A1 Coated sleeved oil and gas well production devices |
| 08/25/2011 | CA2789084A1 Expansible threaded joint and method for making same |
| 08/25/2011 | CA2724365A1 System and method for sealing couplings in downhole tubing strings |
| 08/24/2011 | EP2360497A2 Drill String Telemetry System and Method |
| 08/24/2011 | EP2360346A1 Connector for riser lengths comprising flanges, internal locking ring and external annular locking element |
| 08/24/2011 | EP2358971A1 Drill string |
| 08/24/2011 | EP2358970A1 System for preventing slippage and rotation of components along a tubular shaft |
| 08/24/2011 | CN201943678U 油田三管分注装置 Oilfield three dispensing apparatus |
| 08/24/2011 | CN201943636U 一种采油井口 One kind of wellhead |
| 08/24/2011 | CN201943610U 抽油杆耐磨滚轮扶正器 Sucker abrasion wheel centralizer |
| 08/24/2011 | CN201943609U 防止井口管柱倒转装置 Wellhead equipment to prevent reverse string |
| 08/24/2011 | CN201943608U 一种活动过管扶正器 An activity through the tube centralizer |
| 08/24/2011 | CN201943607U 钻井遥控变径扶正器 Drilling remote adjustable centralizer |
| 08/24/2011 | CN201943606U 防松动高气密螺纹套管连接结构 Anti-hermetic screw loose sleeve connection structure |
| 08/24/2011 | CN201943605U 渗锌油套管接箍 Sherardizing oil casing coupling |
| 08/24/2011 | CN201943604U 自紧密封装置 Self-tight seal means |
| 08/24/2011 | CN201943603U 地钻缓冲机构 Drill buffer mechanism |
| 08/24/2011 | CN201943602U 一种钻杆接头 One kind of tool joints |
| 08/24/2011 | CN201943601U 防腐防偏磨抽油杆接箍 Corrosion resistance and wear of sucker rod couplings |
| 08/24/2011 | CN201943600U Hole-forming dedicated drill for drilling underground structure in water-bearing sand layer from ground |
| 08/24/2011 | CN201943599U 管端内管用户端焊接固定的隔热油管连接结构 Inner tube end of the tube is welded and fixed to the UE insulated tubing connecting structure |
| 08/24/2011 | CN201943598U 分体组装式隔热油管连接结构 Split assembled insulated tubing connecting structure |
| 08/24/2011 | CN201943597U 液压安全接头 Hydraulic safety joint |
| 08/24/2011 | CN201943596U 一种膨胀管 An expansion tube |
| 08/24/2011 | CN201943595U 一种复合、自检式高压挤注管柱 A complex, self-check-pressure squeeze column |
| 08/24/2011 | CN201943594U 伸缩式钻杆 Telescopic drill |
| 08/24/2011 | CN201943593U 双层空心抽油杆 Double hollow rod |
| 08/24/2011 | CN201943592U 新型外加厚油管和套管 The new external upset tubing and casing |
| 08/24/2011 | CN201943567U 一种马达冲击传动轴 A motor shaft impact |
| 08/24/2011 | CN201943073U 一种大口径管桩中间掘土沉桩装置 One kind of large diameter pile in the middle of pile driving equipment earthmoving |
| 08/24/2011 | CN201943066U 一种螺杆桩机 A screw pile |
| 08/24/2011 | CN201940312U 一种接箍自动喷漆及涂色环装置 One kind of coupling automatic painting and coloring ring device |
| 08/24/2011 | CN102165136A Borehole casing centraliser |
| 08/24/2011 | CN102165135A Instrumented drill string element |
| 08/24/2011 | CN102162358A Soundwave-while-drilling well logging device |
| 08/24/2011 | CN102162340A Using method for connection structure of high-airtight seal buttress thread casing pipe |
| 08/24/2011 | CN102162339A Quick connection mechanism for high-strength dual-seal deep sea anti-ice marine riser |
| 08/24/2011 | CN102162338A Automatic pin-ejection inner core drill rod for rotary drilling machine |
| 08/24/2011 | CN102162335A A hole-forming method of drilling through an underground structure in an aquifer sand layer from the ground |
| 08/24/2011 | CN102162248A Method for forming variable-cross-section compaction thread pile and compaction drilling tool |
| 08/24/2011 | CN102162067A Steel for anticorrosion sucker rods in oil field and production method thereof |
| 08/24/2011 | CN101555771B Combined flow-increasing connector for marine drilling riser |
| 08/24/2011 | CN101532113B Anti-collapse oil casing and manufacturing method thereof |
| 08/24/2011 | CN101307676B Renewed superhigh intensity distortion-resistant anti-corrosive oil well pipe and its process |
| 08/23/2011 | US8002051 Connection device for forming a fluid supply |
| 08/23/2011 | US8002036 Internal release connector and method |
| 08/23/2011 | US8001997 Fiber reinforced spoolable pipe |
| 08/23/2011 | US8001996 Composite pipe and a method of manufacturing a composite pipe |
| 08/23/2011 | CA2732483A1 Connector for spoolable pipe |
| 08/23/2011 | CA2615294C Threaded union for tubulars used in high-pressure fluid applications |
| 08/23/2011 | CA2466389C Well communication system |
| 08/18/2011 | WO2011100537A1 Device and method for affecting the flow of fluid in a wellbore |
| 08/18/2011 | WO2011099869A2 A method of installing a flexible, elongate element |
| 08/18/2011 | WO2011099852A2 Method for constructing a riser assembly from a vessel and on a seabed |
| 08/18/2011 | US20110200397 Ram Style Tensioner with Fixed Conductor and Floating Frame |
| 08/18/2011 | US20110198132 Drill pipe protector assembly |
| 08/18/2011 | US20110198126 Downhole device |
| 08/17/2011 | CN201934068U 抽油机井防偏磨的杆柱 Anti-pumping wells eccentric wear the post |
| 08/17/2011 | CN201934034U 大螺距螺旋钻杆 Large pitch spiral drill |
| 08/17/2011 | CN201934033U 可更换式矿用螺杆钻具扶正器 Mine replaceable screw drill centralizer |
| 08/17/2011 | CN201934032U 气动套管扶正台 Pneumatic casing centralizers Taiwan |
| 08/17/2011 | CN201934031U 一种油管 One kind of tubing |
| 08/17/2011 | CN201934029U 钻具减摩防粘减磨工具 Drill friction release by grinding tool |
| 08/17/2011 | CN201934019U 一种打孔模具 One kind of punching dies |
| 08/17/2011 | CN201934014U 一种逆水浆循环人工钻机 One kind of pulp against the current cycle of artificial rigs |
| 08/17/2011 | CN201933518U 填埋场防渗层hdpe膜漏洞修补装置 Landfill liner hdpe film bug fixes means |
| 08/17/2011 | CN1926304B Downhole drilling of a lateral hole |
| 08/17/2011 | CN102155196A Dynamic laser perforation device capable of penetrating into rock under petroleum well |
| 08/17/2011 | CN102155171A Drill rod joint |
| 08/17/2011 | CN102155170A Riser disconnect and support mechanism |
| 08/17/2011 | CN102155169A Extension bar and long spiral drilling machine using same |
| 08/17/2011 | CN102155157A Spiral drilling machine for forming concrete piles of different depths and shapes |
| 08/17/2011 | CN102155150A Crushing mechanism with gas inlet pipe |
| 08/17/2011 | CN101571033B Polished sucker rod |
| 08/16/2011 | US7997627 Threaded joint for steel pipes |
| 08/16/2011 | US7997357 System and method for damping vibration in a drill string |
| 08/16/2011 | CA2630086C Shear coupling assembly with backoff prevention |
| 08/16/2011 | CA2561075C Articulated drillstring entry apparatus and method |
| 08/16/2011 | CA2510932C Field-installable rod guide |
| 08/11/2011 | WO2011094849A1 Torque transmitting load shoulder |
| 08/11/2011 | US20110193338 Threaded metal pipe |
| 08/11/2011 | US20110192611 Riser Joint Coupling |
| 08/11/2011 | US20110192599 System and method for determining position within a wellbore |
| 08/11/2011 | CA2692511A1 Hybrid dolly |
| 08/10/2011 | EP2354436A2 Downhole tools having features for reducing balling, methods of forming such tools, and methods of repairing such tools |
| 08/10/2011 | EP2352897A1 Method to stop wellbore fluid leakage from a spoolable wellbore intervention rod |
| 08/10/2011 | CN201924906U 功能转换杆 Function switching lever |
| 08/10/2011 | CN201924863U 注塑法兰 Injection Flange |
| 08/10/2011 | CN201924850U 流量式井下漏点检测装置 Downhole flow leak detection device |
| 08/10/2011 | CN201924843U 磁力支撑抽油杆扶正器 Magnetic support rod stabilizer |
| 08/10/2011 | CN201924842U 热采井温控式套管补偿器 Thermal Well Casing temperature compensator |
| 08/10/2011 | CN201924841U 双向保护抽油杆接箍 Bidirectional protection sucker rod couplings |
| 08/10/2011 | CN201924840U 一种蜂窝状钻杆 One kind of honeycomb drill |
| 08/10/2011 | CN201924839U 一次生产管柱 A production string |
| 08/10/2011 | CN201924838U 一种整体直连加厚钻杆 Direct Connect thickened drill a holistic |
| 08/10/2011 | CN201924835U 抗冲击螺杆钻具 Shock screw drill |
| 08/10/2011 | CN201924830U 一种双管外导内钻定向连续取芯造斜机具 Directional drilling within a two-tube outer conductor continuous coring equipment whipstocking |