Patents
Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712)
10/2013
10/03/2013US20130255969 Weight controlled slip interlock systems and methods
10/03/2013US20130255966 Removable modular antenna assembly for downhole applications
10/03/2013US20130255964 Friction reduction mechanism for a downhole release assembly
10/03/2013US20130255939 Method for Automatic Control and Positioning of Autonomous Downhole Tools
10/02/2013EP2643547A1 Method and apparatus for setting a wellbore packer
10/02/2013EP2643544A1 Downhole punch component
10/02/2013EP2643543A2 Entry guide formation on a well liner hanger
10/02/2013CN203223197U Screw pump well pressure-free mechanical tubing anchor
10/02/2013CN103339344A Setting tool
10/01/2013CA2639343C Method and system for governing block speed
10/01/2013CA2621544C Method for determining block properties of a service rig by evaluating rig data
09/2013
09/26/2013WO2013142179A2 Inflatable collar and downhole method for moving a coiled tubing string
09/26/2013WO2013006252A3 Flowbore mounted sensor package
09/26/2013US20130248204 Manipulator tool and tool catcher useful with wellbore reverse circulation
09/26/2013US20130248187 Inflatable collar and downhole method for moving a coiled tubing string
09/25/2013EP2642066A1 Downhole detection system
09/25/2013EP2640930A1 Kobe sub, wellbore tubing string apparatus and method
09/25/2013CN203213989U Hydraulic locker
09/25/2013CN203213988U Tool for recycling top packer
09/25/2013CN103321600A Hydraulically started back-off releasing mechanism
09/25/2013CN103321599A Multifunctional ground anchor device
09/25/2013CN103321598A High-capacity single-trip lockdown bushing and a method to operate the same
09/25/2013CN102199999B Anti-drop method for screw pump oil extraction pipe column
09/24/2013US8540021 Release assembly for a downhole tool string and method for use thereof
09/24/2013CA2777192C Method and apparatus for a packer assembly
09/24/2013CA2608292C Device and method for retrieving debris from a well
09/19/2013US20130240212 Systems and techniques to actuate isolation valves
09/19/2013US20130240208 Downhole drive force generating tool
09/19/2013US20130240197 Wireless downhole unit
09/18/2013CN203201505U Internal short-section push-out tool
09/18/2013CN203201504U Withdrawal tool for locking ring
09/18/2013CN103306666A Wireless-inclinometer drill-lifting-free well-descending device
09/17/2013US8534368 Downhole tool with slip releasing mechanism
09/17/2013US8534367 Wireline pressure setting tool and method of use
09/17/2013US8534366 Compact cable suspended pumping system for lubricator deployment
09/17/2013CA2644667C Improved well bore anchors
09/12/2013WO2013134013A2 Remotely activated down hole systems and methods
09/12/2013WO2013133914A2 Composite centralizer with expandable elements
09/12/2013WO2013133796A1 Deactivation of packer with safety joint
09/12/2013WO2013133718A1 Method for removal of casings in an underground well
09/12/2013WO2013131194A1 Toe circulation sub
09/12/2013WO2013131165A1 Magnetic installation and retrieval tool for fluid lift plungers
09/12/2013WO2013093389A8 Unequal load collet and method of use
09/12/2013US20130233574 Method and apparatus for setting a wellbore packer
09/12/2013US20130233570 Remotely Activated Down Hole Systems and Methods
09/12/2013US20130233568 Composite Centralizer with Expandable Elements
09/12/2013US20130233555 Downhole punch component
09/12/2013US20130233535 Interlocking segmented seat for downhole wellbore tools
09/12/2013CA2828259A1 Magnetic installation and retrieval tool for fluid lift plungers
09/11/2013EP2635769A2 Method and apparatus for creating an annular barrier in a subterranean wellbore
09/11/2013EP2635762A2 Redundant position reference system for multilateral exit construction and method for use of same
09/11/2013CN203188962U Blocking tool for testing of small-diameter coiled oil tube
09/11/2013CN203188951U Expansion type tail tube suspension device
09/11/2013CN203188950U Hanger sealing device
09/11/2013CN103299028A Tools and methods for use in completion of a wellbore
09/11/2013CN103299026A Shape memory material packer for subterranean use
09/11/2013CN103291235A Tool for sending hydraulic packer into well
09/11/2013CN103291234A Novel secondary locking mechanism of underwater horizontal connector mounting tool
09/11/2013CN103291233A Novel mounting tool of underwater horizontal connector
09/11/2013CN103291232A Mounting tool for underwater horizontal connector
09/11/2013CN103291231A Replacing tool for underwater horizontal connector seals
09/11/2013CN103291230A Method and device for grabbing and releasing multiple water nozzles in underground environment
09/10/2013US8528650 Mandrel casing hanger and running tool system
09/10/2013CA2730494C A method and downhole tool actuator
09/10/2013CA2711320C Method and apparatus for releasing a coiled tubing internal conduit from a bottom hole assembly
09/06/2013WO2013131008A1 Magnetic drive devices, and related systems and methods
09/06/2013WO2013129938A1 Feeding device for a downhole tool and method for axial feeding of a downhole tool
09/04/2013CN103282597A Secondary flow path module, gravel packing system including the same, and method of assembly thereof
09/04/2013CN103277061A Hydraulic setting tool
09/04/2013CN103277060A Mechanical-hydraulic double-acting release rotary tail pipe hanger
09/03/2013US8522885 System and methods for tubular expansion
09/03/2013US8522884 Landing system for well casing
09/03/2013US8522866 System and method for anchoring an expandable tubular to a borehole wall
09/03/2013CA2559085C Downhole core orientation tool
08/2013
08/29/2013WO2013126065A1 Anchor assembly
08/29/2013WO2013126044A1 Downhole clamping mechanism
08/29/2013US20130220638 Hydrostatic Setting Tool
08/29/2013US20130220637 Slip Device for Wellbore Tubulars
08/29/2013US20130220620 Methods, devices, and kits relating to the implementation of gelled fluids having a transient gel microstructure
08/29/2013US20130220597 Anchor Assembly
08/29/2013US20130220596 Wellbore cleaning method and apparatus
08/29/2013CA2827325A1 Downhole clamping mechanism
08/28/2013EP2631418A2 External pressure testing of gas lift valve in side-pocket mandrel
08/28/2013EP2630332A1 Device to operate downhole equipment
08/28/2013EP2630327A1 Tools and methods for use in completion of a wellbore
08/28/2013CN203161145U Gate replacer for water injection well
08/28/2013CN203161144U Oil well casing patch matching tool
08/28/2013CN203161143U Novel sending-in and retrieving device of emergency disengaging and suspension tool
08/28/2013CN203161142U Anti-fall valvular slip hydraulic hanging packer
08/28/2013CN203161141U Non-well-cementing expansion drilling liner hanger
08/28/2013CN203161114U Hydraulic centralizer applicable to multi-stage hydraulic jet fracturing
08/27/2013US8521496 Systems and methods for improved positioning of pads
08/27/2013US8517115 Setting tool
08/27/2013US8517114 Mechanical lock with pressure balanced floating piston
08/27/2013CA2805470A1 Hydrostatic setting tool
08/27/2013CA2614980C Downhole force generator
08/22/2013WO2013122606A1 Operation of multiple interconnected hydraulic actuators in a subterranean well
08/22/2013US20130213711 Apparatus and method for protecting devices downhole
08/22/2013US20130213673 Decoupling a remote actuator of a well tool
08/22/2013US20130213670 Downhole Apparatus
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