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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11/17/2011 | US20110277998 Apparatus and Method for Setting a Tool in a Borehole |
11/17/2011 | US20110277990 Anchoring systems for drilling tools |
11/17/2011 | US20110277986 Running adapter |
11/16/2011 | CN202039805U Special clamp for blowout pipeline |
11/16/2011 | CN202039804U An anchor device for a datum point in a drill hole |
11/16/2011 | CN202039803U Easy and fast packing mounting device |
11/16/2011 | CN1699725B Method and apparatus for safely handling radioactive sources |
11/16/2011 | CN101245696B Tubular pile dragging device |
11/15/2011 | US8056643 Systems and techniques to actuate isolation valves |
11/15/2011 | US8056634 Off-center running tool for subsea tree |
11/15/2011 | CA2609184C Expandable liner hanger system and method |
11/10/2011 | WO2011139800A2 Downhole tag assembly |
11/10/2011 | WO2011139520A1 Downhole actuator apparatus having a chemically activated trigger |
11/10/2011 | WO2011138577A2 System and method for maintaining position of a wellbore servicing device within a wellbore |
11/10/2011 | WO2004092527A3 Apparatus for radially expanding and plastically deforming a tubular member |
11/10/2011 | US20110272165 Locating sub system and method of orienting and/or positioning |
11/10/2011 | US20110272164 System and method for maintaining position of a wellbore servicing device within a wellbore |
11/10/2011 | US20110272163 Wellhead Downhole Line Communication Arrangement |
11/10/2011 | US20110272145 Mechanical actuator with electronic adjustment |
11/09/2011 | EP1885994B1 A device for selective movement of well tools and also a method of using same |
11/09/2011 | CN202031510U Sleeve hoop positioner |
11/09/2011 | CN202031509U Reverse safety fastener for drilling and workover |
11/09/2011 | CN101294488B Renewedly entrance guiding device for injection string and feeding-discharging tool |
11/09/2011 | CN101294487B Renewedly entrance guiding device for injection string |
11/03/2011 | WO2011112324A3 Feed chain automatic tensioner |
11/03/2011 | WO2009147072A3 Drill bit and method for inserting, expanding, collapsing, and retrieving drill bit |
11/03/2011 | US20110265987 Downhole Actuator Apparatus Having a Chemically Activated Trigger |
11/02/2011 | EP2382367A2 Expandable stabilizer with roller reamer elements |
11/02/2011 | CN202023535U Hydraulic-control repeated on-off valve and locating instrument of same |
11/02/2011 | CN202023521U Rotary tubing anchor for screw pump |
11/02/2011 | CN102230366A Direct-control throwing and refloating device |
11/02/2011 | CN102230365A synchronous rotation controller of oil gas well tail tube and implementation method thereof |
11/01/2011 | US8047281 Sleeve for expandable tubular threaded connection and method of expanding tubular thereof |
11/01/2011 | US8047279 Slip segments for downhole tool |
11/01/2011 | CA2564598C Plug setting and retrieving apparatus |
10/27/2011 | WO2011133909A1 Electromechanical actuator apparatus and method for down-hole tools |
10/27/2011 | WO2011133369A1 Apparatus and method for sealing portions of a wellbore |
10/27/2011 | US20110259609 Expanding a tubular element in a wellbore |
10/27/2011 | US20110259608 Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods |
10/27/2011 | US20110259607 Wireline Pressure Setting Tool and Method of Use |
10/27/2011 | US20110259601 Downhole releasable connector |
10/27/2011 | US20110259587 Apparatus and method for sealing portions of a wellbore |
10/27/2011 | CA2797181A1 Electromechanical actuator apparatus and method for down-hole tools |
10/26/2011 | EP2379839A1 Systems and methods for using a passageway through a subterranean strata |
10/25/2011 | US8044820 Method and system for performing operations and for improving production in wells |
10/25/2011 | US8042617 System and method for deploying one or more tools in a wellbore |
10/22/2011 | CA2809273A1 Hanger assembly and system including hanger assembly and heater string |
10/21/2011 | CA2709165A1 Combination down hole tool |
10/20/2011 | WO2011130350A2 Cementing whipstock apparatus and methods |
10/20/2011 | WO2011094274A3 Collet system |
10/20/2011 | WO2011059845A3 Modular hydraulic operator for a subterranean tool |
10/20/2011 | US20110253455 Permanent magnet direct drive top drive |
10/20/2011 | US20110253389 Single trip positive lock adjustable hanger landing shoulder device |
10/20/2011 | US20110253388 Insertion of a packoff into a wellhead |
10/20/2011 | US20110253387 Cementing whipstock apparatus and methods |
10/20/2011 | US20110253386 Anchor system and method for anchoring a tool with a positional bias |
10/20/2011 | US20110253385 Device, Method and Use for Transfer of Equipment for a Wireline Operation in a Well |
10/20/2011 | CA2796454A1 Cementing whipstock apparatus and methods |
10/19/2011 | CN202012317U Wellbore protection hydraulic anchor |
10/19/2011 | CN202012316U Supporting device for replacing valve |
10/19/2011 | CN102224319A Method and system for fixing an element in a borehole |
10/18/2011 | US8037942 Resettable antiextrusion backup system and method |
10/18/2011 | CA2437141C Apparatus and methods for anchoring and orienting equipment in well casing |
10/13/2011 | WO2011084220A3 Control swelling of swellable packer by pre-straining the swellable packer element |
10/13/2011 | US20110247835 Sequenced packing element system |
10/13/2011 | US20110247832 Expandable slip ring for use with liner hangers and liner top packers |
10/13/2011 | US20110247828 Fluid displacement methods and apparatus for hydrocarbons in subsea production tubing |
10/13/2011 | US20110247799 Tubing hanger running tool with integrated landing features |
10/13/2011 | US20110247798 Tubing hanger running tool with integrated pressure release valve |
10/12/2011 | CN202007639U Casing head for hanging casing |
10/12/2011 | CN102213081A Spindle type metal sealing and metal framework type rubber sealing sleeve hanger |
10/06/2011 | WO2011123634A2 Multi-segment weight and spaced-apart cable modules in wellbore energy storage and retrieval |
10/06/2011 | WO2011121297A1 Clearing blokcages in a pipe by blowing air through a duct moved in the same pipe prior to fibre installation |
10/06/2011 | WO2011085215A3 Wirelessly actuated hydrostatic set module |
10/06/2011 | WO2011079264A3 High expansion metallic seal |
10/06/2011 | WO2011079169A3 Hydraulic deployment of a well isolation mechanism |
10/06/2011 | WO2011068842A3 Grip enhanced tractoring |
10/06/2011 | US20110240313 Resettable downhole torque limiter and related methods of use |
10/06/2011 | US20110240312 Permanent cable for submersible pumps in oil well applications |
10/05/2011 | EP2372424A1 Clearing blockages in a pipe by blowing air through a duct moved in the same pipe prior to fibre installation |
10/05/2011 | EP2372080A2 Indexing sleeve for single-trip, multi-stage fracturing |
10/05/2011 | EP2372075A2 Well assembly with recesses faciliating branch wellbore creation |
10/05/2011 | EP2372074A2 Apparatus and methods for running liners in extended reach wells |
10/05/2011 | CN202000937U Anti-sand anti-gliding tool for gas well |
10/05/2011 | CN202000936U Special tool for adding and replacing packing |
10/05/2011 | CN202000935U Cable protective tool for composite cable-transmitting perforation work |
10/05/2011 | CN1910337B Control system communication and lock open tool and method for locking open a safety valve and communicating with surface |
10/05/2011 | CN102206992A Crawler and crawling method for continuous oil pipe |
10/05/2011 | CN101089358B Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
10/04/2011 | US8028752 Plug setting and retrieving apparatus |
09/29/2011 | WO2011079265A3 High expansion metallic seal |
09/29/2011 | WO2011062624A4 Landing system for well casing |
09/29/2011 | US20110232920 Full Bore System Without Stop Shoulder |
09/29/2011 | US20110232899 Composite reconfigurable tool |
09/29/2011 | US20110232897 Diverting tool |
09/29/2011 | CA2794331A1 Mechanical counter |
09/29/2011 | CA2794329A1 Downhole actuating apparatus |
09/28/2011 | EP2368014A1 Setting tool for expandable liner hanger and associated methods |
09/28/2011 | EP2368013A2 Expanding a tubular element in a wellbore |
09/28/2011 | EP2106494B1 Tractor communication/control and select fire perforating switch |