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)
07/2005
07/21/2005DE202005005868U1 Electric borehole pump assembly, especially for water, has projecting balls in the walls of the cylinder and support to lock the pump at the required level in the casing
07/21/2005CA2552576A1 Externally activated seal system for wellhead
07/20/2005EP1555386A1 Wellbore lining apparatus and method of lining a wellbore
07/20/2005EP1554460A1 Multi-cycle downhole apparatus
07/20/2005CN2711377Y Subsidizing device for unlimited extending casing
07/19/2005US6918446 One-trip wellhead installation systems and methods
07/14/2005WO2005064112A1 Hydraulically releaseable inflation tool for permanent bridge plug
07/13/2005CN2709649Y Adsorption guiding multifunction fisher
07/13/2005CN1639440A Bi-directional thruster pig apparatus and method of utilizing same
07/12/2005US6915857 Non-seize material attachment for a drill slip system
07/12/2005US6915856 Apparatus and methods for preventing axial movement of downhole tool assemblies
07/12/2005US6915849 Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod
07/12/2005US6915845 Re-enterable gravel pack system with inflate packer
07/12/2005CA2304664C An apparatus for facilitating the connection of tubulars using a top drive
07/07/2005WO2005061848A1 Setting method for coiled tubing run, through tubing bridge plug
07/07/2005WO2005061844A1 Lock mechanism for a sliding sleeve
07/07/2005WO2004083594B1 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool
07/07/2005US20050145415 Traction control for downhole tractor
07/07/2005US20050145391 Split locking ring for wellhead components
07/06/2005EP1550788A2 Three dimensional steerable system
07/06/2005EP1549825A2 Dockable direct mechanical actuator for downhole tools and method
07/06/2005EP1549823A2 Bottom plug for forming a mono diameter wellbore casing
07/06/2005EP1549822A2 Remote intervention logic valving method and apparatus
07/06/2005CN2707944Y Pipe string grappling device for fixed point pressure measurement rod-pumped well
07/06/2005CN2707943Y Rotational off-hand proof hanger
07/05/2005CA2318323C Method and apparatus for selective injection or flow control with through-tubing operation capacity
07/05/2005CA2266693C Wellbore milling system
07/05/2005CA2246425C An orientation device, particularly for a drilling tool or a well equipment
06/2005
06/30/2005WO2005059306A1 Downhole rotating tool
06/30/2005US20050139361 Torque anchor
06/30/2005US20050139357 Downhole tool
06/30/2005DE102004056323A1 Hängevorrichtung für ein Werkzeug Suspension device for a tool
06/28/2005US6910538 Whipstock collet latch
06/28/2005US6910533 Mechanism that assists tractoring on uniform and non-uniform surfaces
06/28/2005CA2441667C Method and system for accessing subterranean deposits from the surface
06/23/2005US20050133225 Apparatus for and method of anchoring a first conduit to a second conduit
06/23/2005US20050133220 Downhole rotating tool
06/23/2005US20050133217 Hyraulically releasable inflation tool for permanent bridge plug
06/23/2005US20050133216 Electrically operated actuation tool for subsea completion system components
06/22/2005EP1544407A2 Underbalanced well completion
06/22/2005EP1544405A2 Underbalanced well completion
06/21/2005US6907935 Latch profile installation in existing casing
06/21/2005US6907927 Method and apparatus to vibrate a downhole component
06/16/2005WO2004099549A3 Self-set bridge plug
06/16/2005WO2004083592B1 Apparatus and method for running a radially expandable tubular member
06/16/2005WO2004076798B1 Apparatus for radially expanding and plastically deforming a tubular member
06/16/2005US20050127673 Tubing seal
06/16/2005US20050126791 Reciprocating slickline pump
06/16/2005US20050126787 Lock mechanism for a sliding sleeve
06/16/2005US20050126775 Hydraulic release running tool
06/15/2005EP1541801A2 Method and apparatus to vibrate a downhole component
06/15/2005EP1540128A2 Interposed joint sealing layer method of forming a wellbore casing
06/15/2005CN2704678Y Oil piping or water piping take-out apparatus of waste oil well or water well
06/15/2005CN1628207A Well system
06/14/2005CA2156483C Heat activated safety fuse
06/12/2005CA2452858A1 Hydraulic release running tool
06/09/2005WO2005052314A1 Downhole swivel joint assembly and method of using said swivel joint assembly
06/09/2005WO2005052305A1 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells
06/09/2005WO2005052304A1 Method for drilling and lining a wellbore
06/09/2005CA2546219A1 Downhole swivel joint assembly and method of using said swivel joint assembly
06/08/2005EP1537291A1 Drilling method
06/08/2005EP0857247B1 Assembly and process for drilling and completing multiple wells
06/08/2005CN1624292A Branch well reentering tool
06/07/2005US6902000 Apparatus and methods for expanding tubulars in a wellbore
06/07/2005CA2353176C Apparatus and method for performing downhole measurements
06/07/2005CA2316044C Reservoir monitoring through modified casing joint
06/02/2005WO2005049966A1 Earth boring apparatus for sinking shafts and method of excavating a shaft
06/02/2005WO2005049960A1 Downhole tool
06/02/2005WO2005049959A1 Downhole tool
06/02/2005US20050116130 Hanger for tool
06/02/2005US20050115741 Well system
06/02/2005US20050115720 Setting method for coiled tubing run, through tubing bridge plug
06/02/2005CA2546358A1 Downhole tool
06/02/2005CA2546340A1 Downhole tool
06/01/2005EP1536100A2 Underbalanced well completion
06/01/2005EP1536099A1 Methods of completing and producing a subterranean well associated apparatus
06/01/2005EP1373677B1 Running tool and wellbore component assembly
05/2005
05/31/2005US6899183 Casing attachment method and apparatus
05/31/2005US6899181 Methods and apparatus for expanding a tubular within another tubular
05/31/2005US6899179 Bypass valve
05/31/2005US6899173 Small tubular window system
05/31/2005CA2254815C Multi-cycle circulating sub
05/25/2005EP1533467A2 Multilateral well drilling and completion method and apparatus
05/25/2005EP1027525B1 An apparatus for the removal of sand in an underwater well and use of a jet pump (ejector) in connection with such sand removal
05/25/2005CN1203325C Method and system for performing operations and for improving production in wells
05/24/2005US6896061 Multiple zones frac tool
05/24/2005US6896050 Latching system for maintaining position of component within a downhole drill string section
05/24/2005US6896049 Deformable member
05/24/2005CA2370172C Ribbed sealing element and method of use
05/24/2005CA2369838C Anchoring device removal method and apparatus
05/24/2005CA2300331C Pressure-actuated running tool
05/24/2005CA2262106C Apparatus and method for milling a hole in casing
05/19/2005WO2005045184A1 Control system communication and lock open tool and method for locking open a safety valve and communicating with surface
05/19/2005WO2005045181A1 A retrievable downhole tool and running tool
05/19/2005WO2005045180A1 Actuating mechanism
05/19/2005WO2005045178A1 A disconnect device
05/19/2005WO2005045174A2 Gravel pack completion with fiber optic monitoring
05/19/2005WO2004083594A3 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool
05/19/2005WO2004083592A3 Apparatus and method for running a radially expandable tubular member
05/19/2005WO2004083591B1 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system
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