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)
12/2010
12/22/2010CN201679468U Coiled tubing anchoring device
12/22/2010CN201679467U Hydraulic strong drilling rod extractor
12/21/2010US7854267 Methods and systems to activate downhole tools with light
12/21/2010US7854264 Volumetric compensating annular bellows
12/16/2010WO2010144580A2 Seat apparatus and method
12/16/2010WO2010112779A3 Device for use in a fluid exploitation well, exploitation equipment, and associated method
12/16/2010US20100314133 Frac sleeve system and method
12/16/2010US20100314131 Variable linkage assisted gripper
12/16/2010US20100314130 High-ratio tubular expansion
12/16/2010US20100314129 Running Tool
12/16/2010US20100314120 Dual Acting Rod Piston Control System
12/16/2010US20100314107 Method and device for transferring signals within a well
12/16/2010CA2733828A1 Seat apparatus and method
12/14/2010US7849935 System and method for drilling wellbores
12/14/2010US7849928 System and method for supporting power cable in downhole tubing
12/14/2010CA2606179C Expandable packer with mounted exterior slips and seal
12/14/2010CA2457217C Casing adapter tool for well servicing
12/11/2010CA2707431A1 Downhole tubular expansion tool and method
12/09/2010WO2010112991A3 Lining of wellbore tubing
12/09/2010US20100307768 Downhole Tubular Lifter and Method of Using the Same
12/09/2010US20100307767 Coupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore
12/09/2010US20100307766 Rigless well intervention apparatus and method
12/09/2010US20100307760 Subsea wireline intervention system
12/09/2010US20100307736 Permanent Bypass Whipstock Assembly For Drilling and Completing a Sidetrack Well and Preserving Access to the Original Wellbore
12/08/2010EP2258920A2 Packer providing multiple seals and having swellable element isolatable from the wellbore
12/08/2010EP2132406B1 Ball seat assembly and method of controlling fluid flow through a hollow body
12/08/2010CN101910549A A downhole tool with shape memory alloy actuator
12/08/2010CN101906946A Hydraulic expansion-type rotary liner hanger
12/08/2010CN101906945A Hydraulic expansion hanger for expandable screen pipes
12/07/2010US7845421 Downhole tubular expansion tool and method
12/07/2010US7845420 Work string controller
12/07/2010US7845417 Method of circulating while retrieving downhole tool in casing
12/07/2010US7845402 Expandable packer system
12/07/2010US7845399 Downhole well pump
12/02/2010WO2010138413A2 Wellbore shut off valve with hydraulic actuator system
12/02/2010WO2010018366A3 A controller for a downhole tool
12/01/2010EP2255064A2 Multi-cycle single line switch
12/01/2010CN201661259U Packing remover for oil deposit
12/01/2010CN101899968A Improved ball injector
12/01/2010CN101899954A Depth positioner of well-entry tool and positioning method
11/2010
11/30/2010US7841415 Iron roughneck extension systems
11/30/2010US7841414 Work string controller
11/30/2010CA2523990C Bottom hole completion system for an intermittent plunger
11/25/2010WO2010135644A2 High expansion metal seal system
11/25/2010WO2010135492A2 Swelling packer and method of construction
11/25/2010US20100294512 Methods and apparatuses for installing lateral wells
11/25/2010US20100294511 Down-hole actuation device storage apparatus and method for launching
11/25/2010US20100294495 Open Hole Completion Apparatus and Method for Use of Same
11/25/2010US20100294486 Self-inserting seal assembly
11/25/2010US20100294485 High Expansion Metal Seal System
11/25/2010US20100294480 Sensor deployment
11/25/2010US20100294479 Winch assembly
11/24/2010EP2252764A2 One trip liner running, cementing and setting tool using expansion
11/24/2010EP1611312B1 Drifting tubing
11/24/2010CN201650255U Remote-control cock type steel ball injector
11/24/2010CN201650176U Rotary sitting type screw pump anchor
11/24/2010CN201650175U Underground removable bidirectional independent compression hanger
11/24/2010CN201650174U Forward rotating and backward reversing tool locking device
11/24/2010CN201650173U Hollow water distributor core pressurizer
11/24/2010CN101892823A Method for throwing and fishing out underground restrictor from gas well without utilizing steel wires
11/23/2010US7836958 Disconnect apparatus and method
11/23/2010CA2655469C Downhole ball dropping apparatus
11/23/2010CA2627822C Top hold down rod pump with hydraulically activated drain and method of use
11/23/2010CA2613757C Wellbore plug adapter kit
11/23/2010CA2466685C Liner hanger with sliding sleeve valve
11/18/2010WO2010092352A3 Method and apparatus for multi-zone stimulation
11/18/2010US20100288510 Object manoeuvring apparatus
11/18/2010US20100288508 Non-Metallic Mandrel and Element System
11/18/2010US20100288491 Subterranean Tubular Cutter with Depth of Cut Feature
11/18/2010US20100288489 Sequence valve and a downhole tractor
11/17/2010EP2250339A2 Donhole actuator tool
11/17/2010CN201635685U Hydraulic non-winch workover rig
11/17/2010CN201635684U Wellhole fixing device of underground gas storage well
11/16/2010US7832474 Thermal actuator
11/16/2010US7832472 Hydraulic open hole packer
11/16/2010US7832471 Fitting arrangements and methods of installing fitting arrangements in a well bore
11/16/2010US7832470 Mouse hole support unit with rotatable or stationary operation
11/16/2010CA2638035C Method and apparatus for downhole tubular expansion
11/16/2010CA2508434C Expandable liner hanger system and method
11/11/2010WO2010127454A1 Pump in reverse outliner drilling system
11/11/2010US20100282477 Sleeve for expandable tubular threaded connection
11/11/2010US20100282463 Pump In Reverse Outliner Drilling System
11/11/2010CA2761019A1 Pump in reverse outliner drilling system
11/11/2010CA2761004A1 Downhole material delivery
11/11/2010CA2761002A1 Downhole tool
11/11/2010CA2760832A1 Downhole tool
11/10/2010CN201627572U Downhole choke
11/10/2010CN201627550U Hanger
11/10/2010CN101021148B Oil production subsurface screw pump anchoring device
11/09/2010US7828060 Drifting tubing
11/09/2010CA2614403C System and method for actuating wellbore tools
11/09/2010CA2591698C Whipstock, running/retrieval tool and a system for tieing back a liner from a wellbore casing
11/04/2010WO2010127126A2 Flow-actuated actuator and method
11/04/2010WO2010124371A1 Selective fracturing tool
11/04/2010US20100276159 Non-Damaging Slips and Drillable Bridge Plug
11/04/2010US20100276158 Downhole multiple bore rotary diverter apparatus
11/04/2010US20100276157 Method of expanding a tubular element in a wellbore
11/04/2010US20100276156 Wellhead System Having a Tubular Hanger Securable to Wellhead and Method of Operation
11/04/2010US20100276153 Remotely Operated Drill Pipe Valve
11/04/2010CA2784569A1 Selective fracturing tool
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