Patents
Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
11/2009
11/26/2009CA2725202A1 Circulation system for retrieval of bottom hole assembly during casing while drilling operations
11/26/2009CA2725201A1 Monitoring flow rates while retrieving bottom hole assembly during casing while drilling operations
11/26/2009CA2725145A1 Incremental u-tube process to retrieve of bottom hole assembly during casing while drilling operations
11/25/2009EP2122118A2 Measurement device in a horizontal well
11/25/2009EP2122117A1 Pressure activated locking slot assembly
11/25/2009CN201351492Y Dispensing tool for gas drilling test instrument
11/25/2009CN101589205A Restriction element trap for use with and actuation element of a downhole apparatus and method of use
11/25/2009CN100562406C Plier
11/24/2009CA2474517C Expansion apparatus for use in a wellbore
11/19/2009WO2009140597A2 Jointed spearhead assembly
11/19/2009WO2009102701A3 Expandable downhole actuator, method of making and method of actuating
11/19/2009WO2009073357A4 High differential shifting tool
11/19/2009US20090283327 Jointed spearhead assembly
11/19/2009US20090283322 Drilling String Back off Sub Apparatus and Method for Making and Using Same
11/19/2009US20090283280 Hydraulic open hole packer
11/19/2009US20090283279 Zonal isolation system
11/19/2009US20090283278 Strokable liner hanger
11/19/2009US20090283273 Well construction and completion
11/19/2009US20090283256 Downhole tubular length compensating system and method
11/19/2009US20090283255 Strokable liner hanger
11/17/2009US7617880 Anchor assembly for slickline setting tool for inflatables
11/17/2009US7617878 Method and apparatus to complete a well having tubing inserted through a valve
11/17/2009US7617873 System and methods using fiber optics in coiled tubing
11/14/2009CA2665967A1 Torque-balanced electrical cable
11/12/2009WO2009137537A2 Signal operated tools for milling, drilling, and/or fishing operations
11/12/2009WO2009137536A1 Tools and methods for hanging and/or expanding liner strings
11/12/2009WO2009137516A1 Tubular running devices and methods
11/12/2009WO2009120446A3 Borehole plug
11/12/2009WO2009106875A3 Pressure actuable downhole tool and a method for actuating the same
11/12/2009WO2009102696A3 One trip liner running, cementing and setting tool using expansion
11/12/2009US20090277689 Activating device for a downhole tool
11/12/2009US20090277652 Swellable Packer Having a Cable Conduit
11/12/2009US20090277648 Downhole apparatus with a swellable support structure
11/12/2009US20090277647 Method of subsurface lubrication to facilitate well completion, re-completion and workover
11/12/2009US20090277627 Subsurface lubricator and method of use
11/12/2009CA2722612A1 Signal operated tools for milling, drilling, and/or fishing operations
11/12/2009CA2722608A1 Tools and methods for hanging and/or expanding liner strings
11/11/2009EP1339941B1 Improvements to disconnect devices
11/11/2009CN201344007Y Automatic positioning clamp
11/11/2009CN101578425A Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus
11/11/2009CN101575951A Petroleum expansion pipe hanger and construction technology
11/10/2009US7614449 Tangentially-loaded high-load retrievable slip system
11/10/2009CA2563076C Flapper opening mechanism
11/10/2009CA2371085C A drillpipe assembly and a method of deploying a logging tool
11/05/2009WO2009134141A1 Internal tree cap and itc running tool
11/05/2009WO2009097341A3 Launching tool for releasing cement plugs downhole
11/05/2009US20090272546 Downhole apparatus with a swellable seal
11/05/2009US20090272544 Tools and methods for hanging and/or expanding liner strings
11/05/2009US20090272541 Downhole apparatus with a swellable connector
11/03/2009US7611339 Tri-line power cable for electrical submersible pump
11/03/2009US7610958 Downhole actuation tool
11/03/2009CA2308845C Combination whipstock and anchor assembly
10/2009
10/29/2009WO2009132125A2 Braking devices and methods for use in drilling operations
10/29/2009WO2009131844A2 Subsea inflatable bridge plug inflation system
10/29/2009WO2009111693A3 Through tubing gun lock
10/29/2009WO2009102218A3 Method and device for position control of a working organ of a down-hole actuator
10/29/2009US20090266561 Esp/separator assembly and method
10/29/2009US20090266559 Method and apparatus for installing deflecting conductor pipe
10/29/2009US20090266549 Method and assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers
10/29/2009US20090266544 Signal operated tools for milling, drilling, and/or fishing operations
10/28/2009CN101566058A Multi-ball ball injector
10/27/2009US7607497 Roller link toggle gripper and downhole tractor
10/27/2009US7607495 Tractor with improved valve system
10/27/2009US7607487 Packers and methods of use
10/27/2009US7607476 Expandable slip ring
10/27/2009CA2577897C Hydraulic set permanent packer with isolation of hydraulic actuator and built in redundancy
10/23/2009CA2658539A1 System and method for deploying optical fiber
10/22/2009WO2009129116A2 Combination whipstock and seal bore diverter system
10/22/2009WO2009129061A1 Multiple ball launch assemblies and methods of launching multiple balls into a wellbore
10/22/2009WO2009129059A2 Zero-relaxation packer setting lock system
10/22/2009US20090260834 Intervention Rod
10/22/2009US20090260833 Method and Apparatus to Provide Electrical Connection in a Wellhead for a Downhole Electrical Device
10/22/2009US20090260830 Rigless well completion method
10/21/2009CN101563522A Step ratchet mechanism
10/20/2009US7604061 Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
10/20/2009US7604060 Gripper assembly for downhole tools
10/20/2009US7604057 Incremental U-tube process to retrieve of bottom hole assembly during casing while drilling operations
10/20/2009US7604048 Spring energized debris barrier for mechanically set retrievable packer
10/20/2009US7604047 Universal tubing hanger suspension assembly and well completion system and method of using same
10/20/2009CA2568959C Collar locator for slick pump
10/20/2009CA2430884C Re-enterable gravel pack system with inflate packer
10/15/2009WO2009126792A1 Permanent packer using a slurry inflation medium
10/15/2009WO2009126451A2 Sealing devices having a metal foam material and methods of manufacturing and using same
10/15/2009WO2009126450A1 Multi-piece packer element containment system and method for manufacturing the same
10/15/2009WO2009126420A1 Straight-bore back pressure valve
10/15/2009US20090255666 Stop Collar Friction Clamping Device
10/15/2009CA2720623A1 Straight-bore back pressure valve
10/13/2009US7600566 Collar locator for slick pump
10/13/2009US7600565 Downhole trigger apparatus
10/13/2009CA2490615C Downhole tool
10/13/2009CA2463774C Slickline power control interface
10/08/2009WO2009122203A1 Method of creating an underwater cutting zone, and related plugging devices and methods
10/08/2009WO2009122202A1 Abrasive cutting fluids
10/07/2009EP2106494A2 Tractor communication/control and select fire perforating switch
10/07/2009EP2106493A1 Device for transport of tools in wellbores and pipelines
10/07/2009EP1999337B1 Frac system without intervention
10/07/2009CN201321827Y Anti-sticking hydraulic anchor capable of continuous operation
10/07/2009CN101550810A Outer suspension positioning mechanism of an underwater cutting tool
10/06/2009US7597140 Expansion device for expanding a pipe
10/06/2009US7597139 Downhole trigger apparatus
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