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)
03/2014
03/20/2014US20140076537 Multi-Piston Hydrostatic Setting Tool With Locking Feature Outside Actuation Chambers for Multiple Pistons
03/20/2014US20140076536 Multi-Piston Hydrostatic Setting Tool With Locking Feature and a Single Lock for Multiple Pistons
03/20/2014US20140076535 Multi-Piston Hydrostatic Setting Tool With Locking Feature and Pressure Balanced Pistons
03/19/2014EP2707569A1 Mandrel arrangement and method of operating same
03/19/2014CN203488131U Positioning and connecting mechanism of underground tractor
03/19/2014CN203488130U Self-locking expansion brake device for underground tractor
03/19/2014CN203488129U Christmas tree under-pressure replacement device
03/19/2014CN103649453A Gas lift kickover system
03/18/2014US8672040 Measurement of relative turns and displacement in subsea running tools
03/18/2014CA2762000C Downhole tool retrieval and setting system
03/18/2014CA2558115C Mechanical setting tool for an expandable packer
03/13/2014WO2014038952A1 Actuator device
03/13/2014WO2014036658A1 Latching assembly
03/13/2014WO2013095886A3 Circumferential cams for mechanical case running tool
03/13/2014US20140069639 Friction reduction assembly for a downhole tubular, and method of reducing friction
03/13/2014US20140069634 Method and apparatus for securing and using hyrdajetting tools
03/13/2014US20140069633 Tubing hanger running tool with integrated landing features
03/12/2014EP2706187A2 Standoff device for downhole tools using slip elements
03/12/2014EP2705213A2 Setting and retrieval device
03/12/2014EP2705212A1 Downhole shifting tool
03/12/2014CN203476267U Anti-sand hydraulic anchoring device
03/12/2014CN203476266U Multifunctional ground anchor device
03/12/2014CN203476265U Anti-detachment packing gland fastening wrench
03/12/2014CN203476264U Recoverable drill-down blocking device in oil and gas field
03/12/2014CN203476263U Coiled tubing speed tubular column hanger
03/12/2014CN103628854A Totally-enclosed high-voltage resistant magnetomotive multi-ball injector
03/12/2014CN103628835A Internally pushed hanger
03/12/2014CN103628834A Locking type expansion tail pipe hanger
03/12/2014CN102587852B Drilling liner hanger and setting tool
03/12/2014CN101545362B Latchable carrier assembly for pipe conveyed well logging
03/12/2014CA2873198A1 Multi-stage well isolation and fracturing
03/06/2014WO2014036464A2 Methods and connectors for making structural connections without offshore welding of connectors
03/06/2014WO2014011549A3 Insulating annular fluid
03/06/2014US20140060854 Hydraulic Disconnect Apparatus and Method of Use
03/06/2014US20140060812 Standoff Device For Downhole Tools Using Slip Elements
03/06/2014US20140060809 Back pressure valve
03/06/2014US20140060803 Magnetic Key for Operating a Multi-Position Downhole Tool
03/05/2014EP2702248A2 Pump drain arrangements for packer systems and methods for sampling underground formations using same
03/05/2014EP2702240A1 Downhole cleaning system
03/05/2014EP2702230A2 Cycling device
03/05/2014EP2702229A2 Expandable open-hole anchor
03/05/2014EP2702228A2 Improved limit collar
03/05/2014EP2702227A2 Expansion system for an expandable tubular assembly
03/05/2014CN203463053U Pump core push-out machine for oil well pump
03/05/2014CN203463052U Feeding releasing tool
03/05/2014CN103615210A Optical fiber sensor while drilling device
03/05/2014CN101397901B Logging while producing apparatus and method
03/04/2014US8662189 Tubing hanger assembly with single trip internal lock down mechanism
03/04/2014US8662185 Active casing hanger hook mechanism
03/04/2014US8662182 Methods and apparatus for subsea well intervention and subsea wellhead retrieval
02/2014
02/27/2014WO2014031714A1 Apparatus for creating bidirectional rotary force or motion in a downhole device and method of using same
02/27/2014WO2014029782A2 Smart downhole control
02/27/2014WO2013098560A3 Connector device for use in wireline intervention operations
02/27/2014WO2013079965A3 Apparatus for use in a fluid conduit
02/27/2014US20140054093 Latch Body Components Having Multiple Functions, And Drilling Head Assembly Incorporating Same
02/27/2014US20140054044 Orienting a subsea tubing hanger assembly
02/27/2014US20140054031 Method and system for well and reservoir management in open hole completions as well as method and system for producing crude oil
02/26/2014CN203452703U Closure for a drill hole
02/26/2014CN203452702U Transmission tool for through-drill-rod open-hole well logging instrument
02/26/2014CN203452701U Lower sleeve power tractor integrating drilling, expansion and fixing functions
02/26/2014CN203452666U Multi-purpose reducing oil pipe nipple device
02/26/2014CN103603617A Gas injection tubular column releasing device
02/26/2014CN103603616A Oil tube tie-back tool
02/26/2014CN103603615A Releasing tool
02/20/2014WO2014028252A2 Pressure activated down hole systems and methods
02/20/2014WO2014028149A1 Swellable article
02/20/2014WO2014028148A1 Setting tool, anchoring and sealing device and system
02/20/2014WO2013066990A3 Tubular catcher system and method
02/20/2014US20140048288 Hydrostatic pressure actuated stroke amplifier for downhole force generator
02/20/2014US20140048286 Systems and methods for a modular drum with a common power pack unit
02/20/2014US20140048277 Subsea production system with downhole equipment suspension system
02/20/2014US20140048247 Hydraulic jar with low reset force
02/19/2014EP2697474A2 Pressure equalization apparatus and associated systems and methods
02/19/2014CN203441409U Expansion type tail pipe hanging device of thermal production well
02/19/2014CN203441408U Safety protection device for field pressure test of APR (annulus pressure responsive) tool
02/19/2014CN203441407U Locking and unlocking device of tripping tool of mandrel hanger
02/18/2014US8651192 Coiled tubing bottom hole assembly with packer and anchor assembly
02/18/2014US8651182 Dog with skirt to transfer housing loads in a subterranean tool
02/18/2014US8651173 Modular control system for downhole tool
02/18/2014CA2725201C Monitoring flow rates while retrieving bottom hole assembly during casing while drilling operations
02/13/2014WO2014025965A1 Rotary actuated cutter module system and methodology
02/13/2014WO2014025769A1 Hybrid expansion cone
02/13/2014WO2014023829A1 Downhole turbine-driven system
02/12/2014EP2696026A1 Downhole turbine-driven system
02/12/2014CN203430455U Device for fixing blowout preventer
02/12/2014CN103573201A Expansion core type mechanical device for replacing valve under pressure
02/11/2014US8646548 Apparatus and system to allow tool passage ahead of a bit
02/11/2014CA2686627C Electrically sequenced tractor
02/11/2014CA2671252C Measurement device in a horizontal well
02/06/2014WO2014022737A1 Method of cutting a control line outside of a tubular
02/06/2014WO2013063317A3 High expansion or dual link gripper
02/06/2014US20140034391 Method and apparatus for drilling and lining a wellbore
02/06/2014US20140034332 Workstring Disconnect Tool and Method of Use
02/05/2014EP2691599A1 Arm assembly
02/05/2014EP2691598A1 Fail-safe spring
02/05/2014EP2691597A1 Torque member
02/05/2014EP2691596A1 Downhole driving unit having a hydraulic motor with a static cam ring
02/05/2014EP2691595A2 Single trip liner setting and drilling assembly
02/05/2014CN203420695U Tubular column for treating steam channeling at front end of SAGD injection-production horizontal well
02/05/2014CN203420657U Boom special for testing blowout prevention pipes
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