| 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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| 01/27/2015 | US8939218 Apparatus and method for the installation or removal of a rotary control device insert or a component thereof |
| 01/27/2015 | CA2842412C Universal pump holddown system |
| 01/27/2015 | CA2754723C Anchoring system and method |
| 01/26/2015 | CA2857841A1 Downhole activation assembly with sleeve valve and method of using same |
| 01/22/2015 | US20150021051 Bonded slickline and methods of use |
| 01/22/2015 | US20150021048 Slip, tangential slip system having slip, and method thereof |
| 01/22/2015 | US20150021043 Safety device for retrieving component within wellhead |
| 01/21/2015 | EP2826950A2 Slip, tangential slip system having slip, and method thereof |
| 01/21/2015 | CN204113166U 膨胀式悬挂器 Expansive hanger |
| 01/21/2015 | CN204113165U 盘根旋进器 Packing precession is |
| 01/21/2015 | CN204113164U 一种斜井投送支撑装置及气举阀井下投捞器 One kind of inclined to support the delivery device and downhole gas lift valve and pulling devices |
| 01/21/2015 | CN204113163U 盘根取出器 Packing extractor |
| 01/21/2015 | CN204113162U 套管下放工具 Casing lowering tool |
| 01/21/2015 | CN204113161U 悬挂式螺杆泵排液井口操作台 Hanging drain screw wellhead console |
| 01/21/2015 | CN104302868A 封隔元件支承系统 Packer element support system |
| 01/21/2015 | CN104295255A 一种弹簧液压式隔水管串悬挂装置及悬挂方法 One kind of spring-hydraulic suspension and riser string hanging method |
| 01/21/2015 | CN104295254A 一种地浸工艺钻孔过滤器提放装置及其使用方法 An earth drill filter leaching put up device and method of use |
| 01/20/2015 | US8938380 Methods, devices, and kits relating to the implementation of gelled fluids having a transient gel microstructure |
| 01/20/2015 | US8936112 Device for actuating a bottom tool |
| 01/20/2015 | US8936101 Interventionless set packer and setting method for same |
| 01/20/2015 | US8936099 Cam mechanism for downhole rotary valve actuation and a method for drilling |
| 01/20/2015 | US8936096 Rubber element removal tool |
| 01/20/2015 | US8936092 Seal system and method |
| 01/20/2015 | US8936077 Removable insert for formation of a recess in a tubular by expansion |
| 01/15/2015 | US20150013996 Downhole tool and method of use |
| 01/15/2015 | US20150013976 Intelligent well system and method |
| 01/15/2015 | US20150013971 Test packer and method for use |
| 01/14/2015 | EP2823209A2 Latching assembly for wellbore logging tools and method of use |
| 01/14/2015 | EP2823138A1 Deactivation of packer with safety joint |
| 01/14/2015 | EP2823137A1 Toe circulation sub |
| 01/14/2015 | EP2823135A2 Remotely activated down hole systems and methods |
| 01/14/2015 | EP2823134A2 Method for communicating with logging tools |
| 01/14/2015 | EP2823133A1 Method for removal of casings in an underground well |
| 01/14/2015 | CN204098834U 一种油管锚定器 One kind of tubing anchors |
| 01/14/2015 | CN204098833U 一种用于旋转尾管悬挂器的防砂帽 A rotating liner hanger sand cap |
| 01/14/2015 | CN204098832U 一种防喷器试压专用悬挂器 One kind of BOP pressure test special hanger |
| 01/14/2015 | CN204098831U 螺杆泵采油管防脱装置 Screw pump tube anti-off device |
| 01/14/2015 | CN204098830U 油水井溢流导流器 Oil wells overflow diverter |
| 01/14/2015 | CN204098829U 一种偏心配水器堵塞器投捞工具 One kind of eccentric water clogged filter and pulling tool |
| 01/14/2015 | CN104285032A 可分解和贴合的金属性密封件及其制备方法 Biodegradable and metallic seals and preparation method of bonding |
| 01/14/2015 | CN104285029A 用于移动连续管柱的井下方法和可膨胀箍 Methods for moving continuous downhole string and an inflatable cuff |
| 01/14/2015 | CN102505925B 用于深水钻井的工具传送装置 Tools for deepwater drilling transfer device |
| 01/13/2015 | US8931569 Method and apparatus for a wellbore assembly |
| 01/13/2015 | CA2804397C Fiber support arrangement and method |
| 01/13/2015 | CA2720443C Debris barrier for downhole tools |
| 01/07/2015 | EP2820233A2 Method and assembly for conveying well logging tools |
| 01/07/2015 | EP2820232A1 Magnetic drive devices, and related systems and methods |
| 01/07/2015 | EP2820227A1 Feeding device for a downhole tool and method for axial feeding of a downhole tool |
| 01/07/2015 | CN204082062U 一种裸眼侧钻用造斜器悬挂器 Openhole sidetrack one kind whipstock with hanger |
| 01/07/2015 | CN204082061U 压裂用高压防砂水力锚 High pressure hydraulic fracturing sand anchor |
| 01/07/2015 | CN204082060U 一种整体式连续油管速度管柱悬挂器 A monolithic speed coiled tubing string hanger |
| 01/07/2015 | CN204082059U 高压油气水井试井用仪器捕捉释放器 High pressure oil and gas wells, well testing instruments to capture releaser |
| 01/07/2015 | CN204082044U 井下开启自锁式套管居中装置 Downhole casing open self-locking center unit |
| 01/07/2015 | CN104265236A 尾管固井尾管座挂用投球器及其控制方法 Liner Cementing tailpipes seat hanging by pitching its control method |
| 01/07/2015 | CN104265218A 膨胀式悬挂器 Expansive hanger |
| 01/07/2015 | CN104265217A 一种用于隔水管的悬挂装置及其悬挂方法 A riser suspension and the suspension method |
| 01/06/2015 | US8925631 Large bore completions systems and method |
| 01/06/2015 | US8925627 Coiled umbilical tubing |
| 12/31/2014 | CN204060590U 钻孔用涨紧装置 Bored with the tension device |
| 12/31/2014 | CN204060589U 一种水下设备安装工具紧急解锁装置 Underwater emergency unlocking device installation tool |
| 12/31/2014 | CN102900389B 自锁式液压钻具卡座 Self-locking hydraulic drill deck |
| 12/30/2014 | US8919453 Scalloped landing ring |
| 12/30/2014 | US8919441 Method of intersecting a first well bore by a second well bore |
| 12/30/2014 | CA2803450C Mitigating leaks in production tubulars |
| 12/30/2014 | CA2573189C Artificial lift system |
| 12/28/2014 | CA2855083A1 Linearly indexing well bore tool |
| 12/25/2014 | US20140374123 Corrodible triggering elements for use with subterranean borehole tools having expandable members and related methods |
| 12/25/2014 | US20140374089 Automated diversion valve control for pump down operations |
| 12/24/2014 | CN204040964U 一种连续油管悬挂装置 A continuous tubing hanger device |
| 12/24/2014 | CN204040963U 一种尾管悬挂器 One kind of liner hanger |
| 12/24/2014 | CN204040962U 双级三级套管头卡瓦式和管节箍式全金属密封悬挂器 Two-stage three slips and tubular casing head section hoop all-metal seal hanger |
| 12/24/2014 | CN104234650A 套管下放工具及方法 Casing decentralization tools and methods |
| 12/24/2014 | CN104234649A 一种分支井用人字形密封装置下入分腿方法 One kind of wells employing shaped seal down into sub-leg method |
| 12/24/2014 | CN104234647A 一种井下开启自锁式套管居中装置 A downhole casing centering open self-locking device |
| 12/24/2014 | CN101999030B 用于钻探操作中的制动装置和方法 Drilling operations braking apparatus and method for |
| 12/24/2014 | CN101932791B 将井源的各个部分与流体压力隔离的系统、方法及装置 The various parts of the source and the well fluid pressure isolation system, method and apparatus |
| 12/23/2014 | US8915303 Method and apparatus for installing and removing an electric submersible pump |
| 12/17/2014 | CN204024546U 装卸井口装置 Handling wellhead |
| 12/17/2014 | CN204024545U 一种连续管尾管完井工艺管柱用丢手装置 A continuous tube tailpipes completion process by throwing hand column device |
| 12/17/2014 | CN102733769B 一种在多分支水平井中下入支撑管的方法 A support tube down into the well in a multi-lateral horizontal method |
| 12/17/2014 | CN102428248B 膨胀封隔器以及构造方法 Inflatable packer and Constructors |
| 12/16/2014 | US8910720 Downhole tool with roller screw assembly |
| 12/16/2014 | US8910709 Expandable liner tieback connection |
| 12/16/2014 | US8910707 Cement head |
| 12/11/2014 | US20140360716 Stop loss tool for wellheads |
| 12/10/2014 | CN204002662U 螺杆专用锚定器 Special screw anchors |
| 12/10/2014 | CN204002661U 作业井控封井器运移车 Job well control blowout preventer transport vehicles |
| 12/10/2014 | CN204002660U 一种用于隔水管的悬挂装置 Suspension device for riser |
| 12/10/2014 | CN204002659U 一种多功能桥塞投送器 A multifunctional bridge plug delivery device |
| 12/10/2014 | CN104196476A 悬挂式螺杆泵排液井口操作台 Hanging drain screw wellhead console |
| 12/10/2014 | CN104196475A 高压油气水井试井用仪器捕捉释放器及捕捉释放方法 High pressure oil and gas wells, well testing instruments to capture and release is the release catch method |
| 12/09/2014 | US8905158 Downhole tool |
| 12/09/2014 | US8905148 Force monitoring tractor |
| 12/09/2014 | US8905146 Controlled electrolytic degredation of downhole tools |
| 12/09/2014 | US8905139 Blapper valve tools and related methods |
| 12/04/2014 | US20140352979 Collar |
| 12/04/2014 | US20140352976 Method And An Apparatus For Retrieving A Tubing From A Well |
| 12/04/2014 | US20140352944 Packoff for liner deployment assembly |
| 12/02/2014 | US8899337 Method and apparatus for securing and using hyrdajetting tools |
| 12/02/2014 | US8899336 Anchor for use with expandable tubular |