Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
09/2014
09/18/2014US20140262214 Bonded Segmented Slips
09/18/2014US20140262211 Controller for downhole tool
09/16/2014US8833471 Fill up tool
09/16/2014US8833468 Circulation control valve and associated method
09/16/2014US8833451 Window joint for lateral wellbore construction and method for opening same
09/16/2014US8833446 Composite bow centralizer
09/16/2014US8833443 Retrievable swellable packer
09/15/2014CA2846781A1 Downhole tools, system and method for using
09/12/2014WO2014138117A1 Downhole tool for removing a casing portion
09/12/2014WO2014138019A1 Actuation assemblies, hydraulically actuated tools for use in subterranean boreholes including actuation assemblies and related methods
09/12/2014WO2014137973A1 Method and apparatus for removing unexpanded shoe
09/12/2014WO2014137914A1 Liner top cleaning method prior to bha removal in drilling with advancing liner systems
09/12/2014WO2014137220A1 Wireline assisted coiled tubing portion and method for operation of such a coiled tubing portion
09/09/2014US8826994 Full bore system without stop shoulder
09/09/2014US8826988 Latch position indicator system and method
09/09/2014CA2844709C A contigency release device that uses right-hand torque to allow movement of a collet prop
09/09/2014CA2790056C Method and apparatus for releasing a coiled tubing internal conduit from a bottom hole assembly
09/09/2014CA2661518C Activating device for a downhole tool
09/04/2014WO2014133927A1 Magnetically clamping a downhole component to a direction of a borehole casing
09/04/2014WO2014133504A1 Apparatus and methods for monitoring the retrieval of a well tool
09/04/2014WO2014133393A1 Blowout preventer cleaning tool
09/04/2014US20140246210 Remotely actuated clamping devices for borehole seismic sensing systems and methods of operating the same
09/03/2014EP2771537A1 A downhole tool
09/03/2014EP2771535A2 Gradational insertion of an artificial lift system into a live wellbore
09/02/2014USRE45099 Expandable tubing and method
09/02/2014US8820418 Differential shifting tool and method of shifting
09/02/2014US8820416 Actuation assembly for downhole devices in a wellbore
09/02/2014US8820415 System for enabling selective opening of ports
09/02/2014CA2801108C Method to deliver energy in a well system
08/2014
08/28/2014WO2014130233A1 Fluid flow during landing of logging tools in bottom hole assembly
08/28/2014WO2014130014A1 Wellbore propulsion tool
08/28/2014WO2014128262A1 Electrical wheel assembly
08/28/2014WO2008036573A3 Dissolvable downhole trigger device
08/28/2014US20140238695 Stroker device
08/28/2014US20140238659 Articulated Wireline Hole Finder
08/27/2014EP2770158A1 Electrical wheel assembly
08/26/2014US8813857 Annulus mounted potential energy driven setting tool
08/26/2014US8813852 Wellhead annulus monitoring
08/25/2014CA2815848A1 Wellbore packer and method
08/21/2014WO2014126917A1 Lateral junction for use in a well
08/21/2014WO2014126478A1 Method for downhole cutting of at least one line disposed outside and along a pipe string in a well, and without simultaneously severing the pipe string
08/21/2014US20140231097 Securing connections in alternate path well screens
08/21/2014US20140231096 Downhole tool control
08/21/2014US20140231087 Apparatus and Method for Cutting and Pulling of a Casing
08/21/2014US20140231069 Downhole tool and method of use
08/21/2014US20140231068 Apparatus and method for setting a cementitious material plug
08/20/2014EP2767668A2 Hard surfacing metallic slip components for downhole tools
08/20/2014EP2766563A1 Alignment of bop stack to facilitate use of a rotating control device
08/20/2014EP2766561A1 Wellbore actuators, treatment strings and methods
08/20/2014EP2766560A1 Downhole actuation ball, methods and apparatus
08/19/2014US8807228 Friction reduction mechanism for a downhole release assembly
08/19/2014US8807227 Method and apparatus for pressure testing a tubular body
08/19/2014US8807210 Downhole tool with pumpable section
08/19/2014CA2765505C Weakpoint coupling of selectively adjustable load bearing capacity
08/19/2014CA2697394C Method and apparatus for isolating and treating discrete zones within a wellbore
08/14/2014WO2014123657A1 Removable plug arrangement and method of removing a plug arrangement
08/14/2014WO2014123656A1 Runnable member catcher, system and method of removing same
08/14/2014WO2014066709A3 Downhole rotary tractor
08/14/2014US20140224506 Easy Drill Slip with Degradable Materials
08/14/2014US20140224487 Apparatus and methods of running casing in a dual gradient system
08/14/2014US20140224478 Tool and method for locking and releasing a plug
08/14/2014US20140224475 Downhole Actuating Apparatus
08/13/2014EP2765273A2 Hard surfacing non-metallic slip components for downhole tools
08/13/2014EP2764203A1 Re-latch mechanism for wellbore liner system
08/13/2014CN203769695U 压裂用桥塞锚定锁紧机构 Fracturing bridge plug anchor locking mechanism
08/13/2014CN203769694U 修井旋转自封取芯工具 Workover rotating self-styled coring tool
08/13/2014CN203769693U 一种连续油管液压丢手装置 A continuous hydraulic tubing throw hand device
08/13/2014CN203769692U 搭桥式分离装置 Bypass separation device
08/13/2014CN103982153A 一种投球解封式液压油管锚 One kind of pitching unseal hydraulic tubing anchor
08/13/2014CN103982152A 一种钢丝绳送井和回收的装置 One kind of rope feeding device and recovery wells
08/13/2014CN101353962B 利用具有可移动段的井下仪器在井筒中作业的装置和方法 Apparatus and method for use with a mobile segment can downhole equipment in the wellbore operations
08/12/2014US8800670 Filler rings for swellable packers and method for using same
08/12/2014US8800654 Wellbore machining device
08/12/2014CA2758790C Open hole frac system
08/12/2014CA2700574C Externally activated seal system for wellhead
08/07/2014WO2014120550A1 Deploying an expandable downhole seat assembly
08/07/2014WO2014120400A1 Expandable wedge slip for anchoring downhole tools
08/07/2014WO2014120326A1 High dogleg steerable tool
08/07/2014US20140216762 System and Method for Activating a Down Hole Tool
08/07/2014US20140216760 Systems and Methods for Rotationally Orienting a Whipstock Assembly
08/07/2014US20140216759 Deploying an expandable downhole seat assembly
08/07/2014US20140216755 Annular barrier with pressure amplification
08/07/2014US20140216735 Sandline spooling measurement and control system
08/07/2014US20140216731 Method and Assembly for Conveying Well Logging Tools
08/07/2014US20140216723 Hard Surfacing Metallic Slip Components for Downhole Tools
08/07/2014US20140216722 Hard Surfacing Non-Metallic Slip Components for Downhole Tools
08/07/2014US20140216721 Rotating flow head apparatus
08/06/2014CN203756092U 膨胀悬挂器用加压膨胀机构 Used suspension pressurized expansion expansion mechanism
08/06/2014CN203756091U 一种用于测井仪器的无线通讯脱离吊挂工具 Wireless communications equipment for logging tools hanging out
08/06/2014CN203756090U 一种用于多种钻机的提吊装置 Lifting device for a variety of drilling rigs
08/06/2014CN103967436A 水下井口泥线悬挂器 Subsea wellhead mudline hanger
08/06/2014CN102352733B 一种稠油井油管锚定的方法 One kind of heavy oil pipeline anchoring methods
08/05/2014US8794331 Tools and methods for use in completion of a wellbore
08/05/2014US8794312 Hydraulically set resettable liner hanger
08/05/2014US8794311 Subterranean tool with shock absorbing shear release
08/05/2014CA2819681A1 Casing float tool
07/2014
07/31/2014WO2014116934A1 Hydraulic activation of mechanically operated bottom hole assembly tool
07/31/2014WO2014116457A1 Variable tg shape memory materials for wellbore devices
07/31/2014WO2014036464A3 Methods and connectors for making structural connections without offshore welding of connectors
07/31/2014WO2013158943A3 Submersible pump systems and methods
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