| 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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| 03/05/2015 | WO2015031636A2 Wireline guide tool |
| 03/05/2015 | WO2015030958A1 Method of setting and maintaining a tool in a set position for a period of time |
| 03/05/2015 | WO2015030930A2 Systems and mehtods for artificial lift via a downhole piezoelectric pump |
| 03/05/2015 | WO2015030716A1 Methods and systems for orienting in a wellbore |
| 03/05/2015 | US20150060143 Remotely controlled apparatus for downhole applications and methods of operation |
| 03/05/2015 | US20150060083 Systems and Methods for Artificial Lift Via a Downhole Piezoelectric Pump |
| 03/05/2015 | US20150060076 Profile selective system for downhole tools |
| 03/05/2015 | US20150060046 Tools and methods useful with wellbore reverse circulation |
| 03/04/2015 | EP2843183A1 Downhole annular base structure |
| 03/03/2015 | US8967280 Locking assembly for mechanically set packer |
| 03/03/2015 | US8967270 Rigless abandonment system |
| 03/03/2015 | US8967268 Setting subterranean tools with flow generated shock wave |
| 03/03/2015 | US8967246 Downhole actuator |
| 03/03/2015 | US8967245 Borehole seal, backup and method |
| 03/03/2015 | US8967243 Kickover tool with ratcheting arm and methods of use |
| 02/26/2015 | WO2015026840A1 Production system including tubing hanger with valve |
| 02/26/2015 | WO2015026669A1 Multi-vane centralizer and method of forming |
| 02/26/2015 | WO2015026311A1 Method to optimize drilling efficiency while reducing stick slip |
| 02/26/2015 | US20150053481 Kinetic penetrator with a retrieval tether |
| 02/26/2015 | US20150053429 Method of using a downhole tool with erosion resistant layer |
| 02/26/2015 | US20150053428 Method of setting and maintaining a tool in a set position for a period of time |
| 02/26/2015 | US20150053427 Plunger for gas lift system with novel skirt |
| 02/26/2015 | US20150053425 Feeding Device for a Downhole Tool and Method for Axial Feeding of a Downhole Tool |
| 02/26/2015 | US20150053406 Pre-tensing sections of concentric tubulars |
| 02/25/2015 | EP2840226A2 Signal operated tools for milling, drilling, and/or fishing operations |
| 02/24/2015 | US8960313 Packer deployed formation sensor |
| 02/24/2015 | US8960311 High pressure seal adapter for splitter conductor housing to wellhead connection |
| 02/24/2015 | US8960300 Remote subsea connection equipment |
| 02/24/2015 | US8960295 Fracture valve tools and related methods |
| 02/24/2015 | US8960288 Select fire stackable gun system |
| 02/24/2015 | US8960281 Flowbore mounted sensor package |
| 02/24/2015 | US8960270 Shunt tube flowpaths extending through swellable packers |
| 02/19/2015 | WO2015023300A1 Production packer-setting tool with electrical control line |
| 02/19/2015 | US20150047853 System and methodology for mechanically releasing a running string |
| 02/19/2015 | US20150047844 Downhole Supercapacitor Device |
| 02/19/2015 | US20150047840 System and methodology for locating a deflector |
| 02/19/2015 | US20150047829 Torque anchor for blocking the rotation of a production string of a well and pumping installation equipped with such a torque anchor |
| 02/19/2015 | US20150047827 Pump down tool |
| 02/19/2015 | US20150047824 Multi-stage Locking System for Selective Release of a Potential Energy Force to Set a Subterranean Tool |
| 02/19/2015 | DE102014012003A1 Drehmomentenanker zur Rotationsblockierung einer Produktionsrohranlage eines Bohrlochs und Pumpenanlage, welche mit einem derartigen Drehmomentenanker ausgestattet ist Torque anchor the rotation blocking a production pipe installation of a well and pump system, which is equipped with such a torque anchor |
| 02/18/2015 | EP2836667A2 Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus |
| 02/17/2015 | US8955605 Downhole tool and method of use |
| 02/17/2015 | US8955604 Receptacle sub |
| 02/17/2015 | US8955603 System and method for positioning a bottom hole assembly in a horizontal well |
| 02/17/2015 | US8955594 Multiplex tubing hanger |
| 02/17/2015 | US8955585 Forming inclusions in selected azimuthal orientations from a casing section |
| 02/17/2015 | CA2722612C Signal operated tools for milling, drilling, and/or fishing operations |
| 02/13/2015 | CA2857322A1 Torque anchor to block the rotation of a production column of a well and pumping installation equipped with such a torque anchor |
| 02/13/2015 | CA2840740A1 Improved pump down tool |
| 02/12/2015 | WO2015020747A1 Automatic packer |
| 02/12/2015 | US20150042487 Latching Assembly for Wellbore Logging Tools and Method of Use |
| 02/12/2015 | US20150041149 System for coupling mwd tools |
| 02/11/2015 | EP2835492A2 Insert units for non-metallic slips |
| 02/11/2015 | CN204152498U 一种测井仪器 One kind of logging equipment |
| 02/11/2015 | CN204152467U 一种连续油管液压油管锚 A continuous tubing hydraulic tubing anchor |
| 02/11/2015 | CN204152466U 一种闸门拆卸器 One kind of gate puller |
| 02/11/2015 | CN204152465U 一种井下释放器 A downhole releaser |
| 02/11/2015 | CN104343425A 井下拉拔扩张滤砂管的防砂完井方法及其工具 Drawing underground expansion sand filter sand completion methods and tools |
| 02/11/2015 | CN104343405A 油田井下电路重复丢手对接工艺 Downhole circuit docking process is repeated throwing hand |
| 02/11/2015 | CN104343404A 蠕动式井下牵引器 Peristaltic downhole tractor |
| 02/10/2015 | US8950505 Method and apparatus for setting a wellbore packer |
| 02/10/2015 | US8950504 Disintegrable tubular anchoring system and method of using the same |
| 02/10/2015 | US8950478 Coupling between wellbore tools having central transmission shafts |
| 02/10/2015 | US8950474 Subsea cap |
| 02/10/2015 | CA2815860C Combination whipstock and completion deflector |
| 02/10/2015 | CA2757293C Anchor and hydraulic setting assembly |
| 02/05/2015 | WO2015016945A1 Well packer with nonrotating mandrell lock device |
| 02/05/2015 | WO2015016943A1 Well packer with shock dissipation for setting mechanism |
| 02/05/2015 | WO2015016937A1 Downhole power delivery tool powered by hydrostatic pressure |
| 02/05/2015 | US20150034299 Well packer with shock dissipation for setting mechanism |
| 02/04/2015 | CN204139966U 一种控制斜向器定向锚定的启动阀 A method for controlling the orientation whipstock anchor start valve |
| 02/04/2015 | CN104334820A 可分解金属锥形件及其制造方法和使用 Decomposable metal cone device and manufacturing method and use |
| 02/04/2015 | CN104329040A 起长井段射孔枪工艺及专用装置 Nagai segment from gun technology and special equipment |
| 02/03/2015 | US8944170 Real time downhole intervention during wellbore stimulation operations |
| 02/03/2015 | US8944169 Apparatus and method for fracturing a well |
| 02/03/2015 | US8944161 Gripper assembly for downhole tools |
| 02/03/2015 | US8944157 Hydro pneumatic lifting system and method |
| 02/03/2015 | US8944156 Hanger floating ring and seal assembly system and method |
| 02/03/2015 | CA2707059C Method and apparatus for installing and removing an electric submersiblepump |
| 02/01/2015 | CA2858271A1 Insert units for non-metallic slips oriented normal to cone face |
| 01/29/2015 | WO2015013538A2 Wireline roller standoff |
| 01/29/2015 | WO2015012834A1 Wellbore isolation devices and methods of use to prevent pump offs |
| 01/29/2015 | WO2015012831A1 Well ranging tool and method |
| 01/29/2015 | WO2015012805A1 Managing strain on a downhole cable |
| 01/29/2015 | WO2015010813A1 Well tool comprising a plugging device and a junk catching device |
| 01/29/2015 | US20150027738 Method and system for one-trip hanger installation |
| 01/29/2015 | US20150027737 Insert Units for Non-metallic Slips Oriented Normal to Cone Face |
| 01/29/2015 | US20150027731 Back pressure valve |
| 01/29/2015 | US20150027684 Centralizers for centralizing well casings |
| 01/28/2015 | EP2829684A1 Electronically-actuated, multi-set straddle borehole treatment apparatus |
| 01/28/2015 | EP2828471A2 Inflatable collar and downhole method for moving a coiled tubing string |
| 01/28/2015 | CN104314534A 一种压差流量计式智能可调投捞注配器 One kind of differential pressure flow meter smart adjustable dispenser cast fishing Notes |
| 01/28/2015 | CN104314496A 一种注聚井专用投捞堵塞器 One kind of specialized polymer injection well plugging and pulling devices |
| 01/28/2015 | CN104314495A 一种连续油管液压油管锚 A continuous tubing hydraulic tubing anchor |
| 01/28/2015 | CN104314494A 用于筛管或尾管的悬挂器 For screen or tail pipe hanger |
| 01/28/2015 | CN102418500B 直控式连续定量分层配产油管柱 Direct-controlled continuous oil column with quantitative stratification |
| 01/28/2015 | CN102197189B 带有载荷转向系统的井下工具和方法 Downhole tools and methods with the steering system load |
| 01/27/2015 | US8939235 Rotating control device docking station |
| 01/27/2015 | US8939221 High pressure lock assembly |
| 01/27/2015 | US8939220 Expandable slip ring for use with liner hangers and liner top packers |