| Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
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| 07/31/2014 | WO2013134013A3 Remotely activated down hole systems and methods |
| 07/31/2014 | US20140209325 Exandable wedge slip for anchoring downhole tools |
| 07/31/2014 | US20140209324 Maintaining tension of a transmission line in a tubular |
| 07/31/2014 | US20140209301 Electromechanical actuator apparatus and method for down-hole tools |
| 07/30/2014 | EP2758820A1 Fiber-optic cable |
| 07/30/2014 | EP2758623A2 Composite limit collar |
| 07/30/2014 | EP2758620A2 Well tractor with active traction control |
| 07/30/2014 | CN203742508U 一种液压式安全丢手工具 A hydraulic safety throw hand tools |
| 07/30/2014 | CN203742507U 防卡偏心油管锚 Anti-card eccentric tubing anchor |
| 07/30/2014 | CN203742506U 强制浮箍式预应力固井地锚总成 Forced float collar cementing prestressed anchor assembly |
| 07/30/2014 | CN203742505U 浮球浮箍式预应力固井地锚总成 Cementing float float collar prestressed anchor assembly |
| 07/30/2014 | CN203742504U 膨胀尾管悬挂装置 Expansion liner hanger device |
| 07/30/2014 | CN203742503U 稠油热采防移位尾管悬挂器 Heavy oil thermal recovery anti-displacement liner hanger |
| 07/30/2014 | CN203742502U 裸眼井锚定器 Openhole anchor |
| 07/30/2014 | CN203742501U 机械式定向钻具滤网取出器 Directional drilling mechanical filter extractor |
| 07/30/2014 | CN203742500U 一种丢手装置 One kind of throw hand device |
| 07/30/2014 | CN203742499U 水平井钻具传输测井电缆悬挂器 Horizontal well drilling transport logging cable hangers |
| 07/30/2014 | CN103958822A 选择性解除的密封系统 Selective lifting of the sealing system |
| 07/30/2014 | CN102449307B 用于流体开采井中的装置、开采设备和相关的方法 Means for fluid extraction wells, mining equipment and related methods |
| 07/29/2014 | US8789602 Ball drop module |
| 07/29/2014 | US8789600 Fracing system and method |
| 07/29/2014 | US8789590 Remote activated deflector |
| 07/29/2014 | US8789588 Multi-position weight down locating tool |
| 07/29/2014 | US8789587 Monitoring of downhole parameters and tools utilizing fiber optics |
| 07/29/2014 | US8789580 Wellbore casing section with moveable portion for providing a casing exit |
| 07/29/2014 | US8789579 Disconnect device for downhole assembly |
| 07/29/2014 | CA2565220C Apparatus and method for installing wellbore string devices |
| 07/24/2014 | WO2014044843A3 Downhole apparatus and methods |
| 07/24/2014 | WO2013144529A3 Device for plugging a well |
| 07/24/2014 | US20140202712 Methods of adjusting the rate of galvanic corrosion of a wellbore isolation device |
| 07/24/2014 | US20140202689 Systems and Methods for Remote Actuation of a Downhole Tool |
| 07/23/2014 | CN203729964U 双锚定式高温、高压分层注水管柱 Dual anchoring high-temperature, high-pressure stratified water column |
| 07/23/2014 | CN203729929U 膨胀管完井工具 Expansion pipe completion tools |
| 07/23/2014 | CN203729925U 可固井膨胀式尾管悬挂器 Can cementing expandable liner hanger |
| 07/23/2014 | CN203729924U 非固井膨胀式尾管悬挂器 Non-cementing expandable liner hanger |
| 07/23/2014 | CN203729923U 一种套管锚 One kind of sleeve anchor |
| 07/23/2014 | CN203729922U 一种用于水下控制模块的下放工具 Decentralized tool for subsea control module |
| 07/23/2014 | CN203729921U 应力缓冲丢手杆及井下堵塞装置 Stress buffering throw hand lever and downhole plugging device |
| 07/23/2014 | CN203729920U 一种油管锚及其卡瓦 One kind of tubing anchor and kava |
| 07/23/2014 | CN103939084A 水平井测试仪器的注水推进方法及可控式注水推进器 Horizontal well test equipment and controllable method of injection water propulsion thruster |
| 07/23/2014 | CN102561967B 深井筒体脱离装置 Deep barrel from the device |
| 07/23/2014 | CN102418486B 用于分支井开窗侧钻的锚定工具 Wells sidetracking tool for anchoring |
| 07/23/2014 | CN101691833B 带压换阀用安装方法及其装置 Pressure transducer valve installation method and apparatus |
| 07/22/2014 | US8783370 Deactivation of packer with safety joint |
| 07/22/2014 | US8783368 Well tool with shearable collet |
| 07/22/2014 | US8783367 Lateral liner tie back system and method |
| 07/22/2014 | US8783363 Multifunctional key design for metal seal in subsea application |
| 07/22/2014 | US8783350 Processes for fracturing a well |
| 07/22/2014 | US8783343 Tools and methods for hanging and/or expanding liner strings |
| 07/22/2014 | US8783340 Packer setting tool |
| 07/22/2014 | CA2805379C Swellable packer in hookup nipple |
| 07/17/2014 | WO2014110581A2 Surge immune liner setting tool |
| 07/17/2014 | WO2014110382A1 Wellbore annular safety valve and method |
| 07/17/2014 | WO2014109962A1 Multi-window lateral well locator/reentry apparatus and method |
| 07/17/2014 | WO2014109752A1 Stepped liner hanger expander |
| 07/17/2014 | WO2014109748A1 Boost assisted force balancing setting tool |
| 07/17/2014 | WO2014062546A3 Downhole system for facilitating remedial work |
| 07/17/2014 | US20140196912 Surge immune liner setting tool |
| 07/17/2014 | US20140196893 Equipment and Methods for Deploying Line in a Wellbore |
| 07/17/2014 | US20140196889 Downhole anchoring systems and methods of using same |
| 07/16/2014 | CN203716902U 一种井下工具脱开装置 A downhole tool disengagement means |
| 07/16/2014 | CN203716901U 一种加盘根用防滑钩 Packing slip hook with an addition |
| 07/16/2014 | CN203716900U 石油测井放射源抓卸工具 Oil well logging sources caught unloading tools |
| 07/16/2014 | CN103924939A 钻具内防喷器抢接装置 Within the drill grab BOP coupling device |
| 07/15/2014 | USRE45011 Expandable tubing and method |
| 07/15/2014 | US8776898 Apparatus and methods for wedge lock prevention |
| 07/15/2014 | US8776896 Electronic control system for a downhole tool |
| 07/15/2014 | US8776892 Rotation mechanism |
| 07/15/2014 | US8776890 Systems and techniques to actuate isolation valves |
| 07/15/2014 | US8776876 Expandable device for use in a well bore |
| 07/10/2014 | WO2014107278A1 Shape-change particle plug system |
| 07/09/2014 | EP2752551A2 Enhanced device for determining the location of induced stress in stuck borehole tubulars |
| 07/09/2014 | EP2751383A1 Annular barrier with compensation device |
| 07/09/2014 | EP2751382A1 Annular barrier with pressure amplification |
| 07/09/2014 | CN203702075U 液压封隔器 Hydraulic packer |
| 07/09/2014 | CN203702057U 一种具有拆装工具的油管挂堵塞器 Tubing having a clogged filter removal tools hanging |
| 07/09/2014 | CN203702048U 一种井下工具投送器 A downhole tool delivery device |
| 07/09/2014 | CN203702047U 锚定结构及井下堵塞装置 Anchoring structures and downhole plugging device |
| 07/09/2014 | CN203702046U 燕尾式防砂水力锚 Dovetail sand hydraulic anchor |
| 07/09/2014 | CN203702045U 采油井口使用的耐高温高压电泵悬挂器 The use of high-temperature high-voltage pump wellhead hanger |
| 07/09/2014 | CN203702044U 井下刚性定位装置 Underground rigid positioning device |
| 07/09/2014 | CN203702043U 水下采油树吊装工具 Subsea trees lifting tools |
| 07/09/2014 | CN203702042U 井下释放机构 Downhole release mechanism |
| 07/09/2014 | CN103917738A 钻井致动器，处理柱以及其方法 Drilling actuator handle column and its methods |
| 07/09/2014 | CN103917737A 使用右旋扭矩来允许夹头支柱移动的应急释放装置 Emergency release device uses clockwise torque to allow movement of the chuck pillar |
| 07/09/2014 | CN103912230A 套管阀的不丢手换阀装置 Sleeve valve is not lost hand for valve device |
| 07/09/2014 | CN103912229A 一种连续油管液压丢手装置 A continuous hydraulic tubing throw hand device |
| 07/09/2014 | CN103912228A 不丢手闸阀更换装置 Do not throw the hand valve replacement device |
| 07/09/2014 | CN102606101B 一种新型的井下定位装置 A novel downhole positioning means |
| 07/08/2014 | US8770304 Open-hole wellbore lining |
| 07/08/2014 | US8770303 Self-aligning open-hole tractor |
| 07/08/2014 | US8770302 Pipe anchoring and expanding unit for producing a slim well and method for producing a slim well using the same |
| 07/08/2014 | US8770297 Subsea internal riser rotating control head seal assembly |
| 07/08/2014 | US8770278 Subterranean tool with multiple release capabilities |
| 07/08/2014 | US8770276 Downhole tool with cones and slips |
| 07/08/2014 | CA2715497C Wellsite systems utilizing deployable structure |
| 07/03/2014 | WO2014105519A1 Apparatus and method for drilling deviated wellbores that utilizes an internally tilted drive shaft in a drilling assembly |
| 07/03/2014 | WO2014105007A1 Method and assembly for determining landing of logging tools in a wellbore |
| 07/03/2014 | WO2014044630A3 Expansion assembly, top anchor and method for expanding a tubular in a wellbore |
| 07/03/2014 | US20140184364 Downhole Supercapacitor Device |