| Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
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| 08/14/2007 | US7255177 Tubing expansion |
| 08/14/2007 | US7255172 Hydrodynamic, down-hole anchor |
| 08/14/2007 | US7255171 Method and apparatus for manufacturing an expandable slotted tube |
| 08/14/2007 | CA2289286C Tubular junction for tubing pump |
| 08/14/2007 | CA2273568C A method of installing a casing in a well and apparatus therefor |
| 08/09/2007 | US20070181345 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 08/09/2007 | US20070181313 Downhole tool |
| 08/09/2007 | US20070181298 Self-anchoring device with force amplification |
| 08/08/2007 | EP1815104A1 Actuating mechanism |
| 08/08/2007 | CN1330845C Drilling method and tools and the use thereof |
| 08/07/2007 | US7252152 Methods and apparatus for actuating a downhole tool |
| 08/07/2007 | US7252150 Downhole tool |
| 08/07/2007 | US7252143 Method and apparatus for anchoring tool in borehole conduit |
| 08/07/2007 | CA2470592C Expanding downhole tubing by compression |
| 08/07/2007 | CA2290895C Method and apparatus for well logging and well control |
| 08/07/2007 | CA2239590C Method of suspending an esp within a wellbore |
| 08/02/2007 | WO2007087183A2 Planar registration of multi-well plate from well side |
| 08/02/2007 | US20070175631 Extended reach anchor |
| 08/02/2007 | US20070175630 Pressure cycling to control the material properties of a tubular member |
| 08/02/2007 | US20070175629 Downhole/openhole anchor |
| 08/01/2007 | CN1329623C Subsea repairing well system and method for introducing the tool into the subsea repairing well or the subsea pipe line |
| 08/01/2007 | CN1329621C Device for installation of a profile liner in a well |
| 08/01/2007 | CN101010171A Plier |
| 07/31/2007 | US7249633 Release tool for coiled tubing |
| 07/26/2007 | WO2007050161A3 Downhole tool |
| 07/26/2007 | US20070169944 System for lining a wellbore casing |
| 07/26/2007 | US20070169943 Method and device for establishing an underground well |
| 07/25/2007 | EP1809859A1 A method and a device for setting a casing |
| 07/25/2007 | EP1809856A1 Conveyor tube for use in installing or replacing a well tool in a producing well and procedures for use of the same |
| 07/25/2007 | EP1549823B1 Bottom plug for forming a mono diameter wellbore casing |
| 07/25/2007 | CN2926485Y Positioner for self-locking oblique apparatus |
| 07/25/2007 | CN101006248A Apparatus and methods for positioning in a borehole |
| 07/24/2007 | US7246667 Radial expansion of tubular members |
| 07/24/2007 | CA2483023C Method and system for accessing subterranean deposits from the surface |
| 07/24/2007 | CA2288784C Monitoring of downhole parameters and tools utilizing fiber optics |
| 07/19/2007 | US20070163786 Expansion pig |
| 07/19/2007 | US20070163785 Expandable tubular |
| 07/19/2007 | US20070163775 Injection of Treatment Materials into a Geological Formation Surrounding a Well Bore |
| 07/19/2007 | US20070163774 Flow Control System for Use in a Well |
| 07/18/2007 | EP1537291B1 Drilling method |
| 07/18/2007 | CN2924004Y Logging radiation-resource intelligent mounting-dismounting device |
| 07/18/2007 | CN1327104C A cable duct device in a swelling packer |
| 07/17/2007 | US7243741 Separation of evolved gases from drilling fluids in a drilling operation |
| 07/17/2007 | US7243731 Apparatus for radially expanding tubular members including a segmented expansion cone |
| 07/17/2007 | US7243727 Isolation assembly for coiled tubing |
| 07/17/2007 | US7243722 Expander device |
| 07/17/2007 | CA2259852C Wireless coiled tubing joint locator |
| 07/12/2007 | WO2007079047A2 Deformable release device for use with downhole tools |
| 07/12/2007 | WO2006020809A3 Expandable tubular member having variable material properties |
| 07/12/2007 | US20070158081 Expandable tubulars |
| 07/12/2007 | US20070158080 Tubular hanger and method of lining a drilled bore |
| 07/12/2007 | US20070158077 System and method for low-pressure well completion |
| 07/12/2007 | US20070158069 Method for drilling and casing a wellbore with a pump down cement float |
| 07/12/2007 | CA2633764A1 Deformable release device for use with downhole tools |
| 07/11/2007 | EP1570151B1 A cable duct device in a swelling packer |
| 07/11/2007 | CN1997808A Method and system for inserting a fiber optical sensing cable into an underwater well |
| 07/10/2007 | US7240738 Self-orienting selectable locating collet and method for location within a wellbore |
| 07/10/2007 | US7240731 Shoe for expandable liner system and method |
| 07/10/2007 | US7240728 Expandable tubulars with a radial passage and wall portions with different wall thicknesses |
| 07/10/2007 | CA2442963C Flow control apparatus for use in a wellbore |
| 07/10/2007 | CA2408906C Valve assembly |
| 07/10/2007 | CA2219206C Activating means for drilling apparatus |
| 07/05/2007 | WO2007076044A2 Method, system and program storage device for reservoir simulation utilizing heavy oil solution gas drive |
| 07/05/2007 | US20070151764 Tractor with improved valve system |
| 07/05/2007 | US20070151737 Flushing device |
| 07/05/2007 | US20070151725 Expanding a tubular member |
| 07/04/2007 | CN2918718Y Branch well location coupler |
| 07/04/2007 | CN1990515A Starch-(methyl) acrylic ester grafted copolymer, oil suction swelling rubber comprising same and oil well packer |
| 07/03/2007 | US7237617 Disengageable downhole tool |
| 07/03/2007 | US7237616 Actuator module to operate a downhole tool |
| 07/03/2007 | CA2465411C Hydraulic jar lock |
| 07/03/2007 | CA2306739C Scoop for use with an anchor system for supporting a whipstock |
| 07/03/2007 | CA2223511C Core barrel apparatus |
| 06/28/2007 | WO2007073401A1 Method and apparatus to hydraulically bypass a well tool |
| 06/28/2007 | WO2007072171A1 Method and system for tool orientation and positioning and particulate material protection within a well casing for producing hydrocarbon bearing formations including gas hydrates |
| 06/28/2007 | US20070144735 Apparatus for radially expanding and plastically deforming a tubular member |
| 06/28/2007 | US20070144732 Low temperature barriers for use with in situ processes |
| 06/28/2007 | CA2633745A1 Method and system for tool orientation and positioning and particulate material protection within a well casing for producing hydrocarbon bearing formations including gas hydrates |
| 06/27/2007 | CN2916106Y Dragging type well workover anchoring mechanism |
| 06/27/2007 | CN2916105Y Actively-retractable type high-temperature tubing string anchoring device |
| 06/27/2007 | CN2916104Y Hydraulic oil pipe anchoring tools |
| 06/27/2007 | CN2916098Y Self-releasing type liner hanger |
| 06/26/2007 | US7234544 Drill tool shaft-to-housing locking device |
| 06/26/2007 | US7234542 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 06/26/2007 | US7234531 Mono-diameter wellbore casing |
| 06/26/2007 | US7234529 Flow switchable check valve and method |
| 06/26/2007 | US7234520 Well jet device for testing and studying formations and the operating method thereof |
| 06/26/2007 | CA2399071C Controlling activation of devices |
| 06/26/2007 | CA2339944C Hydraulic well control system |
| 06/26/2007 | CA2323154C Actuator apparatus and method for downhole completion tools |
| 06/26/2007 | CA2271795C Whipstock |
| 06/26/2007 | CA2242441C Cable anchors |
| 06/21/2007 | US20070137865 Time release downhole trigger |
| 06/21/2007 | US20070137291 Tubing expansion |
| 06/20/2007 | EP1798369A2 Deformable seal (DIV II) |
| 06/20/2007 | EP1797278A2 Expansion pig |
| 06/20/2007 | CN2913585Y Punching-grinding-milling equipment |
| 06/19/2007 | US7231987 Deep set packer with hydrostatic setting actuator |
| 06/19/2007 | US7231985 Radial expansion of tubular members |
| 06/19/2007 | US7231983 Split locking ring for wellhead components |