| Patents for E21B 34 - Valve arrangements for boreholes or wells (14,685) |
|---|
| 08/14/2014 | WO2014124183A1 Multi-path multi-stage erosion-resistant valve for downhole flow control |
| 08/14/2014 | WO2014124148A1 Multi-component diffuser assembly |
| 08/14/2014 | WO2014124104A1 Continuous circulation and communication drilling system |
| 08/14/2014 | WO2014123653A1 Floating apparatus and method for fabricating the apparatus |
| 08/14/2014 | WO2014123549A1 Wireless activatable valve assembly |
| 08/14/2014 | WO2014123540A1 Wireless activatable valve assembly |
| 08/14/2014 | WO2014123425A1 Subsea valve |
| 08/14/2014 | US20140224504 Downhole Tool and Method |
| 08/14/2014 | US20140224503 Hydraulic communication device |
| 08/14/2014 | US20140224496 Multi-component Diffuser Assembly |
| 08/14/2014 | US20140224479 Stage tool apparatus and components for same |
| 08/14/2014 | US20140224471 Wellbore frac tool with inflow control |
| 08/14/2014 | US20140224342 Multi-path multi-stage erosion-resistant valve for downhole flow control |
| 08/13/2014 | EP2764199A1 Debris resistant internal tubular testing system |
| 08/13/2014 | CN203770742U 一种卡箍接头六板导流垂直单向阀 The housing board conductivity vertical joints six-way valve |
| 08/13/2014 | CN203770741U 一种垂直焊接头五板导流单向阀 The vertical deflector plate welding head five-way valve |
| 08/13/2014 | CN203769721U 深水油井可固定球式生产滑套 Deepwater oil production can be fixed ball sleeve |
| 08/13/2014 | CN203769720U 多功能螺杆钻具旁通阀 Multifunction screw drill bypass valve |
| 08/13/2014 | CN203769719U 一种井下投捞阀 A downhole valve cast fishing |
| 08/13/2014 | CN203769718U 可回流井口单流阀 Reflow single wellhead valve |
| 08/13/2014 | CN203769717U 一种密封脂注入阀通用型泄压装置 A sealing grease injection valve pressure relief devices Universal |
| 08/13/2014 | CN203769711U 一种封隔器 One kind of packer |
| 08/13/2014 | CN103982167A 一种全通径投球滑套分段压裂设备 A fully staged fracturing sleeve bore pitching equipment |
| 08/13/2014 | CN103982160A 一种新型压力平衡式旋塞阀 A new pressure balanced plug |
| 08/13/2014 | CN103982159A 可投球式反循环阀 Pitching can reverse circulation valve |
| 08/13/2014 | CN102536132B 便于测斜作业的钻具接头 Easy tool joint inclinometer jobs |
| 08/13/2014 | CN102409998B 一种井下安全阀 A downhole safety valve |
| 08/13/2014 | CN101910550B 用于压裂和防砂的多位阀及相关完井方法 Many fracturing and sand control valve and associated method for completion |
| 08/12/2014 | US8800668 Partially retrievable safety valve |
| 08/12/2014 | US8800667 Arrangement for directing a fluid flow |
| 08/12/2014 | US8800661 Dual inline sliding sleeve valve |
| 08/12/2014 | US8800654 Wellbore machining device |
| 08/08/2014 | CA2842385A1 Wellbore fluid lift apparatus |
| 08/07/2014 | WO2014120551A1 Downhole component having dissolvable components |
| 08/07/2014 | WO2014120550A1 Deploying an expandable downhole seat assembly |
| 08/07/2014 | WO2014120547A1 Deploying an expandable downhole seat assembly |
| 08/07/2014 | WO2014120543A1 Expandable downhole seat assembly |
| 08/07/2014 | WO2014120132A1 Magnetic valve assembly |
| 08/07/2014 | WO2014043164A4 Well treatment device, method, and system |
| 08/07/2014 | US20140216816 Continuous circulation and communication drilling system |
| 08/07/2014 | US20140216763 Debris Anti-Compaction System for Ball Valves |
| 08/07/2014 | US20140216761 Downhole activation assembly and method of using same |
| 08/07/2014 | US20140216754 Fracpoint optimization using icd technology |
| 08/07/2014 | US20140216751 Integrated managed pressure drilling riser joint |
| 08/07/2014 | US20140216745 Method of drilling and running casing in large diameter wellbore |
| 08/07/2014 | US20140216733 Method and an arrangement for controlling fluid flow into a production pipe |
| 08/06/2014 | EP2761126A1 Wellbore stimulation assemblies and methods of using the same |
| 08/06/2014 | EP2761125A1 Wellbore flow control devices comprising coupled flow regulating assemblies and methods for use thereof |
| 08/06/2014 | EP2761124A2 Ball valve float equipment |
| 08/06/2014 | CN203756163U 采油树主管线的机械密码式防冻防盗取样装置 Mechanical password theft sampling device type antifreeze main line of Christmas tree |
| 08/06/2014 | CN203756123U 斜井防砂洗井阀 Inclined anti-sand wells valve |
| 08/06/2014 | CN203756122U 一种煤层气井试井井下机械开关阀 CBM well testing one kind of underground mechanical switch valve |
| 08/06/2014 | CN203756121U 一种用于井下液位控制的节流阀 A downhole level control for throttle |
| 08/06/2014 | CN203756120U 一种注水井井口单流阀 An injection wells single wellhead valve |
| 08/06/2014 | CN103975124A 双向井下流体流控制系统和方法 Bidirectional downhole fluid flow control system and method |
| 08/06/2014 | CN103975123A 具有自致动装置的环状屏障 Self-actuating means having an annular barrier |
| 08/06/2014 | CN103975117A 改进的钢缆式钻井系统 Improved cable drilling system |
| 08/06/2014 | CN103975116A 球座铣削和再压裂方法 Tee milling and re-fracturing method |
| 08/06/2014 | CN103967468A 一种计数装置及多级全通径投球滑套装置 An apparatus and a multi-level pitching full bore sleeve device counting |
| 08/06/2014 | CN103967467A 计数装置及多级全通径投球滑套装置 Counting device and multi-level pitching full bore sleeve device |
| 08/06/2014 | CN103967445A 油管排气装置 Exhaust pipe |
| 08/06/2014 | CN102325956B 用于井下用途的双向密封机械移位球阀 Bi-directional shift valve sealing machinery for underground use |
| 08/05/2014 | US8794333 Combination blowout preventer and recovery device |
| 08/05/2014 | US8794331 Tools and methods for use in completion of a wellbore |
| 08/05/2014 | US8794330 Apparatus for single-trip time progressive wellbore treatment |
| 08/05/2014 | US8794329 Downhole adjustable inflow control device for use in a subterranean well |
| 08/05/2014 | CA2771836C Hydraulic control system monitoring apparatus and method |
| 08/03/2014 | CA2840855A1 Downhole activation assembly and method of using same |
| 07/31/2014 | WO2014116577A1 Shear and seal system for subsea applications |
| 07/31/2014 | WO2014116237A1 Multi-positioning flow control apparatus using selective sleeves |
| 07/31/2014 | WO2014116202A1 Interval control valve with varied radial spacings |
| 07/31/2014 | WO2013134013A3 Remotely activated down hole systems and methods |
| 07/31/2014 | US20140209822 Autonomous valve with temperature responsive device |
| 07/31/2014 | US20140209314 Shear and seal system for subsea applications |
| 07/31/2014 | US20140209313 Mechanical Filter for Acoustic Telemetry Repeater |
| 07/30/2014 | CN203742593U 采油管线或输油管线防冻防盗取压取样装置 Oil pipeline or pipeline antifreeze burglar take pressure sampling device |
| 07/30/2014 | CN203742551U 可控流量滑套 Controllable flow sleeve |
| 07/30/2014 | CN203742550U 可分层洗井喷砂滑套 Sleeve can be layered sand wash blowout |
| 07/30/2014 | CN203742549U 一种注水井尾管可洗控溢流装置 An injection control wells tailpipe washable overflow device |
| 07/30/2014 | CN203742548U 一种封密性强不易被刺漏气举阀 A blocked easily stabbed leak tightness and strong lift valve |
| 07/30/2014 | CN203742547U 一种新型节能环保注气井口装置 A new energy saving gas injection wellheads |
| 07/30/2014 | CN203742546U 一种智能型井口地面安全控制装置 An intelligent surface safety control device |
| 07/30/2014 | CN203742537U 轴向径向双密封浮箍 Axial Radial double sealed float collar |
| 07/30/2014 | CN203742516U 一种恒流掺水流程组合井口装置 One kind of watered constant process composition wellhead |
| 07/30/2014 | CN103958826A 防止井中不期望流体流动穿过可变流阻系统 Prevent undesired fluid flow through the borehole variable flow resistance system |
| 07/30/2014 | CN103953313A 耐冲蚀单流阀 Single-stream erosion resistant valve |
| 07/30/2014 | CN103953312A 一种叶轮驱动的旋合式内防喷工具 Within a rotating impeller driven tools fit BOP |
| 07/29/2014 | US8789603 Downhole deployment valves |
| 07/29/2014 | US8789602 Ball drop module |
| 07/29/2014 | US8789600 Fracing system and method |
| 07/29/2014 | US8789587 Monitoring of downhole parameters and tools utilizing fiber optics |
| 07/29/2014 | US8789581 Flow control devices on expandable tubing run through production tubing and into open hole |
| 07/24/2014 | WO2014113549A2 Method and apparatus for in-well wireless control using infrasound sources |
| 07/24/2014 | WO2014113292A2 Interruptible pressure testing valve |
| 07/24/2014 | WO2014113280A2 Bidirectional downhole isolation valve |
| 07/24/2014 | WO2014112970A1 Remote-open inflow control device with swellable actuator |
| 07/24/2014 | WO2014110681A1 Anti-gas lock valve for a reciprocating downhole pump |
| 07/24/2014 | US20140202768 Bidirectional downhole isolation valve |
| 07/24/2014 | US20140202713 Well Intervention Pressure Control Valve |
| 07/24/2014 | US20140202707 Pressure Testing Valve and Method of Using the Same |