Patents
Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
11/2011
11/17/2011US20110277998 Apparatus and Method for Setting a Tool in a Borehole
11/17/2011US20110277990 Anchoring systems for drilling tools
11/17/2011US20110277986 Running adapter
11/16/2011CN202039805U Special clamp for blowout pipeline
11/16/2011CN202039804U An anchor device for a datum point in a drill hole
11/16/2011CN202039803U Easy and fast packing mounting device
11/16/2011CN1699725B Method and apparatus for safely handling radioactive sources
11/16/2011CN101245696B Tubular pile dragging device
11/15/2011US8056643 Systems and techniques to actuate isolation valves
11/15/2011US8056634 Off-center running tool for subsea tree
11/15/2011CA2609184C Expandable liner hanger system and method
11/10/2011WO2011139800A2 Downhole tag assembly
11/10/2011WO2011139520A1 Downhole actuator apparatus having a chemically activated trigger
11/10/2011WO2011138577A2 System and method for maintaining position of a wellbore servicing device within a wellbore
11/10/2011WO2004092527A3 Apparatus for radially expanding and plastically deforming a tubular member
11/10/2011US20110272165 Locating sub system and method of orienting and/or positioning
11/10/2011US20110272164 System and method for maintaining position of a wellbore servicing device within a wellbore
11/10/2011US20110272163 Wellhead Downhole Line Communication Arrangement
11/10/2011US20110272145 Mechanical actuator with electronic adjustment
11/09/2011EP1885994B1 A device for selective movement of well tools and also a method of using same
11/09/2011CN202031510U Sleeve hoop positioner
11/09/2011CN202031509U Reverse safety fastener for drilling and workover
11/09/2011CN101294488B Renewedly entrance guiding device for injection string and feeding-discharging tool
11/09/2011CN101294487B Renewedly entrance guiding device for injection string
11/03/2011WO2011112324A3 Feed chain automatic tensioner
11/03/2011WO2009147072A3 Drill bit and method for inserting, expanding, collapsing, and retrieving drill bit
11/03/2011US20110265987 Downhole Actuator Apparatus Having a Chemically Activated Trigger
11/02/2011EP2382367A2 Expandable stabilizer with roller reamer elements
11/02/2011CN202023535U Hydraulic-control repeated on-off valve and locating instrument of same
11/02/2011CN202023521U Rotary tubing anchor for screw pump
11/02/2011CN102230366A Direct-control throwing and refloating device
11/02/2011CN102230365A synchronous rotation controller of oil gas well tail tube and implementation method thereof
11/01/2011US8047281 Sleeve for expandable tubular threaded connection and method of expanding tubular thereof
11/01/2011US8047279 Slip segments for downhole tool
11/01/2011CA2564598C Plug setting and retrieving apparatus
10/2011
10/27/2011WO2011133909A1 Electromechanical actuator apparatus and method for down-hole tools
10/27/2011WO2011133369A1 Apparatus and method for sealing portions of a wellbore
10/27/2011US20110259609 Expanding a tubular element in a wellbore
10/27/2011US20110259608 Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods
10/27/2011US20110259607 Wireline Pressure Setting Tool and Method of Use
10/27/2011US20110259601 Downhole releasable connector
10/27/2011US20110259587 Apparatus and method for sealing portions of a wellbore
10/27/2011CA2797181A1 Electromechanical actuator apparatus and method for down-hole tools
10/26/2011EP2379839A1 Systems and methods for using a passageway through a subterranean strata
10/25/2011US8044820 Method and system for performing operations and for improving production in wells
10/25/2011US8042617 System and method for deploying one or more tools in a wellbore
10/22/2011CA2809273A1 Hanger assembly and system including hanger assembly and heater string
10/21/2011CA2709165A1 Combination down hole tool
10/20/2011WO2011130350A2 Cementing whipstock apparatus and methods
10/20/2011WO2011094274A3 Collet system
10/20/2011WO2011059845A3 Modular hydraulic operator for a subterranean tool
10/20/2011US20110253455 Permanent magnet direct drive top drive
10/20/2011US20110253389 Single trip positive lock adjustable hanger landing shoulder device
10/20/2011US20110253388 Insertion of a packoff into a wellhead
10/20/2011US20110253387 Cementing whipstock apparatus and methods
10/20/2011US20110253386 Anchor system and method for anchoring a tool with a positional bias
10/20/2011US20110253385 Device, Method and Use for Transfer of Equipment for a Wireline Operation in a Well
10/20/2011CA2796454A1 Cementing whipstock apparatus and methods
10/19/2011CN202012317U Wellbore protection hydraulic anchor
10/19/2011CN202012316U Supporting device for replacing valve
10/19/2011CN102224319A Method and system for fixing an element in a borehole
10/18/2011US8037942 Resettable antiextrusion backup system and method
10/18/2011CA2437141C Apparatus and methods for anchoring and orienting equipment in well casing
10/13/2011WO2011084220A3 Control swelling of swellable packer by pre-straining the swellable packer element
10/13/2011US20110247835 Sequenced packing element system
10/13/2011US20110247832 Expandable slip ring for use with liner hangers and liner top packers
10/13/2011US20110247828 Fluid displacement methods and apparatus for hydrocarbons in subsea production tubing
10/13/2011US20110247799 Tubing hanger running tool with integrated landing features
10/13/2011US20110247798 Tubing hanger running tool with integrated pressure release valve
10/12/2011CN202007639U Casing head for hanging casing
10/12/2011CN102213081A Spindle type metal sealing and metal framework type rubber sealing sleeve hanger
10/06/2011WO2011123634A2 Multi-segment weight and spaced-apart cable modules in wellbore energy storage and retrieval
10/06/2011WO2011121297A1 Clearing blokcages in a pipe by blowing air through a duct moved in the same pipe prior to fibre installation
10/06/2011WO2011085215A3 Wirelessly actuated hydrostatic set module
10/06/2011WO2011079264A3 High expansion metallic seal
10/06/2011WO2011079169A3 Hydraulic deployment of a well isolation mechanism
10/06/2011WO2011068842A3 Grip enhanced tractoring
10/06/2011US20110240313 Resettable downhole torque limiter and related methods of use
10/06/2011US20110240312 Permanent cable for submersible pumps in oil well applications
10/05/2011EP2372424A1 Clearing blockages in a pipe by blowing air through a duct moved in the same pipe prior to fibre installation
10/05/2011EP2372080A2 Indexing sleeve for single-trip, multi-stage fracturing
10/05/2011EP2372075A2 Well assembly with recesses faciliating branch wellbore creation
10/05/2011EP2372074A2 Apparatus and methods for running liners in extended reach wells
10/05/2011CN202000937U Anti-sand anti-gliding tool for gas well
10/05/2011CN202000936U Special tool for adding and replacing packing
10/05/2011CN202000935U Cable protective tool for composite cable-transmitting perforation work
10/05/2011CN1910337B Control system communication and lock open tool and method for locking open a safety valve and communicating with surface
10/05/2011CN102206992A Crawler and crawling method for continuous oil pipe
10/05/2011CN101089358B Method and apparatus to facilitate wet or dry control line connection for the downhole environment
10/04/2011US8028752 Plug setting and retrieving apparatus
09/2011
09/29/2011WO2011079265A3 High expansion metallic seal
09/29/2011WO2011062624A4 Landing system for well casing
09/29/2011US20110232920 Full Bore System Without Stop Shoulder
09/29/2011US20110232899 Composite reconfigurable tool
09/29/2011US20110232897 Diverting tool
09/29/2011CA2794331A1 Mechanical counter
09/29/2011CA2794329A1 Downhole actuating apparatus
09/28/2011EP2368014A1 Setting tool for expandable liner hanger and associated methods
09/28/2011EP2368013A2 Expanding a tubular element in a wellbore
09/28/2011EP2106494B1 Tractor communication/control and select fire perforating switch
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