| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 12/14/2011 | CN202073510U 安装在井架上的油管扶正装置 Tubing centralizer device is mounted on the mast |
| 12/14/2011 | CN202073509U 抽油杆保护器 Rod protector |
| 12/14/2011 | CN202073508U 定位防偏磨装置 Positioning device sucker |
| 12/14/2011 | CN202073507U 一种套管防磨扶正器 Wear one kind of casing centralizer |
| 12/14/2011 | CN202073506U 深海自由站立式立管涡激振动抑制装置 Free-standing deepwater riser VIV suppression devices |
| 12/14/2011 | CN202073505U Threaded connection structure of petroleum casing pipe with good sealing performance |
| 12/14/2011 | CN202073504U 一种拉管头脱头器 One kind trombone Toutuotouqi |
| 12/14/2011 | CN202073503U 一种法兰机构与包含其的破碎机构 One kind of flange institutions and contain their broken bodies |
| 12/14/2011 | CN102278080A 液动旋转套管引鞋 Hydraulic rotary casing guide shoe |
| 12/14/2011 | CN102278079A 自润滑同曲率陶瓷复合油杆扶正器 Self-lubricating oil with the curvature of the ceramic composite rod centralizer |
| 12/14/2011 | CN102278078A 一种连续油管防拉断保护器及使用方法 A continuous tubing pull-off protection device and method of use |
| 12/14/2011 | CN102278077A 一种气密封螺纹接头的螺纹结构 A gas seal screw structure of a threaded joint |
| 12/14/2011 | CN102278076A 限位短节 Limit short section |
| 12/14/2011 | CN102278075A 一种基于顶张紧式立管的应力接头及其优化设计方法 Based on a stress joint top tensioned risers and optimization design |
| 12/14/2011 | CN102278074A 具有抑制涡激振动和防碰保护功能的海洋钻井隔水管 VIV inhibit anti-collision protection and marine drilling riser |
| 12/14/2011 | CN102278073A 一种用于海上注水井的注水管 A sea water injection injection wells |
| 12/14/2011 | CN102278066A 一种复合钻井防斜打快底部钻具组合 A composite vertical and fast drilling BHA |
| 12/13/2011 | US8075023 Coupling for drilling-with-casing operations |
| 12/13/2011 | US8074747 Stabilizer assemblies with bearing pad locking structures and tools incorporating same |
| 12/13/2011 | US8074736 Pneumatic tool with an improved soundproof device |
| 12/13/2011 | US8074723 Ring member for a swellable downhole packer |
| 12/13/2011 | US8074712 Stop collar friction clamping device |
| 12/08/2011 | WO2011153008A2 Traveling and locking centralizer |
| 12/08/2011 | WO2011150945A1 A flexible pipe system |
| 12/08/2011 | WO2011078683A3 Pipe coupling devices and a method for the use thereof |
| 12/08/2011 | CA2801075A1 Traveling and locking centralizer |
| 12/08/2011 | CA2800840A1 Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection |
| 12/07/2011 | EP2392766A1 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig |
| 12/07/2011 | EP2391795A1 A method for handling a component in the construction, maintenance and repair of wells |
| 12/07/2011 | EP2158379B1 Expandable centralizer for expandable pipe string |
| 12/07/2011 | CN202067590U 不锈钢管护套特种承荷探测电缆 Load bearing stainless steel tube sheath special probe cable |
| 12/07/2011 | CN202064882U 可快速拆装的冲砂接头 Quick disassembly of the red sand joints |
| 12/07/2011 | CN202064857U 小吨位非开挖铺管钻机用轴向双顶钻杆 Small tonnage trenchless pipe laying axial double top drill rigs |
| 12/07/2011 | CN202064856U 多头数大导程整体式螺旋钻杆 Large number of long-lead monolithic spiral drill |
| 12/07/2011 | CN202064855U 油田用油管连接保护器 Oilfield tubing connection protection |
| 12/07/2011 | CN202064854U 油井抽油杆减震器 Oil shock absorber rod |
| 12/07/2011 | CN202064853U 外接式钎尾缓冲减震装置 External solder tail shock absorbing device |
| 12/07/2011 | CN202064852U 一种多用途安全接头 A versatile safety joint |
| 12/07/2011 | CN202064851U 八角内嵌式接头 Octagonal line splices |
| 12/07/2011 | CN202064850U 一种双凸缘螺纹连接头 A dual flange head screw connection |
| 12/07/2011 | CN202064849U 一种摩擦焊接式铝合金钻杆 A friction welded aluminum drill pipe |
| 12/07/2011 | CN202064848U 一种钻机备用钻杆简易固定装置 An alternate drill rig simple fixtures |
| 12/07/2011 | CN202064847U 一种钻机备用钻杆固定装置 An alternate drill rig fixtures |
| 12/07/2011 | CN202064846U 节能型连续增强硅芯管 Energy-efficient continuous reinforced silicon core pipe |
| 12/07/2011 | CN202064845U 节能型防腐耐磨硅芯管 Energy-efficient silicon core pipe corrosion resistant |
| 12/07/2011 | CN202064844U 一种扩底钻机钻杆 Belled one kind of drill rigs |
| 12/07/2011 | CN202064843U 自润滑防腐防偏磨油管 Self-lubricating oil pipe corrosion sucker |
| 12/07/2011 | CN202064831U 油压式双级变径稳定器 Two-stage adjustable hydraulic stabilizers |
| 12/07/2011 | CN202064822U 一种多轴式等壁厚大宽度连续墙钻孔机 A multi-axis, such as the wall thickness of the large width of continuous wall drill |
| 12/07/2011 | CN202063962U 抽油杆淬火喷水圈 Sucker water quench ring |
| 12/07/2011 | CN102272504A 增强防护件 Enhanced guard |
| 12/07/2011 | CN102272409A 液面下辅助补偿装置 Subsurface auxiliary compensation device |
| 12/07/2011 | CN102272408A 钻具的管状组成件和相应的钻具 Tubular constituent elements and corresponding drill drill |
| 12/07/2011 | CN102268965A 一种绑带式钻井隔水管固定支架 One kind of tie-up drilling riser mounting bracket |
| 12/07/2011 | CN102268964A 钻孔桩钻孔纠偏导向装置以及配置该导向装置的桩机钻杆 Correction bored pile pile drill guide, and configuration of the guide device |
| 12/07/2011 | CN102268962A 一种具有压力补偿功能的油密封螺杆钻具传动轴总成 Oil seal having a pressure compensation screw drill shaft assembly |
| 12/07/2011 | CN102268961A 一种具有减振功能的螺杆钻具传动轴总成 Screw having a damping function drill shaft assembly |
| 12/07/2011 | CN102268614A 耐-20℃低温用165ksi钢级钻杆及其制造方法 -20 ℃ low temperature resistant 165ksi grade drill pipe and its manufacturing method |
| 12/07/2011 | CN102268602A 3Cr油井管及其生产方法 3Cr oil well pipe and production method thereof |
| 12/07/2011 | CN102267005A 焊接式加重钻杆的摩擦焊方法 Friction welding method of welding HWDP |
| 12/07/2011 | CN101886218B 一种J55级37Mn5石油套管的炼钢方法 One kind of J55 oil casing steel grade 37Mn5 method |
| 12/07/2011 | CN101532372B 分段式筛管完井管柱 Segmented screens completion string |
| 12/07/2011 | CN101418675B 一种水下管线涡激振动的抑制方法及装置 Underwater pipeline VIV suppression method and apparatus |
| 12/06/2011 | US8069931 System, method and apparatus for downhole system having integrated measurement while operating components |
| 12/06/2011 | US8069925 Downhole resettable clutch swivel |
| 12/06/2011 | US8069920 Lateral well locator and reentry apparatus and method |
| 12/06/2011 | CA2633133C Flexible sinker bar with electrically conductive wires |
| 12/06/2011 | CA2614789C Mitigation of localized stress in tubulars |
| 12/06/2011 | CA2523106C Methods and apparatus for manufacturing of expandable tubular |
| 12/01/2011 | WO2011150363A1 Deepwater completion installation and intervention system |
| 12/01/2011 | WO2011149479A1 Enhanced smear effect fracture plugging process for drilling systems |
| 12/01/2011 | WO2011148288A2 System and method for straightening tubing |
| 12/01/2011 | WO2011147882A1 Shear connection |
| 12/01/2011 | WO2011147189A1 Thread connection structure for steel tube |
| 12/01/2011 | WO2011127155A3 Tubular connection system faciitating nonrotating signal conductor connection and method |
| 12/01/2011 | US20110294583 Drilling apparatus |
| 12/01/2011 | US20110291334 System And Method For Damping Vibration In A Drill String |
| 12/01/2011 | US20110290563 Device for performing deep drillings and method of performing deep drillings |
| 12/01/2011 | US20110290486 Well Treatment Device, Method, and System |
| 12/01/2011 | US20110290476 Well assembly coupling |
| 12/01/2011 | US20110290475 Tubular drill string component and corresponding drill string |
| 12/01/2011 | US20110290474 Centralising tool and method of forming |
| 12/01/2011 | CA2800465A1 Enhanced smear effect fracture plugging process for drilling systems |
| 11/30/2011 | EP2390965A1 An electrical connector, particularly for a drill string |
| 11/30/2011 | EP2390459A2 Well assembly coupling |
| 11/30/2011 | EP2390458A1 Drilling device with telescoping Kelly tube |
| 11/30/2011 | EP2389495A2 Apparatus and method for setting a downhole anchor and related telescopic joint |
| 11/30/2011 | EP2201280B1 Floating support comprising a device for the retention and securing of a subsea pipe |
| 11/30/2011 | CN202055810U 一种用于海上注水井的注水管 A sea water injection injection wells |
| 11/30/2011 | CN202055775U 一种钻杆耐磨护套结构 One kind of drill wear and jacket structure |
| 11/30/2011 | CN202055774U 一种防脱防偏磨抽油杆扶正器 An anti-off sucker rod centralizer |
| 11/30/2011 | CN202055773U 防粘扣螺纹接头 The release buckle nipple |
| 11/30/2011 | CN202055772U 隔水套管对接接头 Casing butt joints |
| 11/30/2011 | CN202055771U 免钻式漂浮接箍 Free floating drilling collar |
| 11/30/2011 | CN202055770U 一种小孔径防斜加重钻杆 Anti-ramp, a small aperture HWDP |
| 11/30/2011 | CN202055769U 一种绳索钻杆螺纹连接结构 One kind of rope drill pipe threaded connection |
| 11/30/2011 | CN202055768U 一种钻铤内螺纹的应力减轻结构 One kind of drill collar thread reduce the structural stress |
| 11/30/2011 | CN202055767U 一种用于复杂地层钻孔取样的钻具 A complex stratigraphic drill for drilling and sampling |
| 11/30/2011 | CN202055766U 用于内衬高分子材料衬管的非标准油管 Non-standard tubing for lining liner polymer materials |
| 11/30/2011 | CN202055765U 一种用于钻井的油井套管 A system for drilling well casing |