| 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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| 08/17/2004 | CA2120114C Horizontal inflation tool |
| 08/12/2004 | WO2004067908A1 Multi-cycle downhole tool with hydraulic damping |
| 08/12/2004 | WO2004067904A1 Self-orienting selectable locating collet and method for location within a wellbore |
| 08/12/2004 | WO2003031760A3 Non-seize material attachment for a drill slip system |
| 08/12/2004 | US20040154839 Multi-cycle downhill apparatus |
| 08/12/2004 | US20040154809 Method and apparatus for operations in underground/subsea oil and gas wells |
| 08/12/2004 | US20040154807 Downhole weight bearing apparatus and method |
| 08/12/2004 | US20040154806 Flow control apparatus for use in a wellbore |
| 08/10/2004 | US6772839 Method and apparatus for mechanically perforating a well casing or other tubular structure for testing, stimulation or other remedial operations |
| 08/10/2004 | US6772836 Expandable tubing and method |
| 08/05/2004 | WO2004066000A2 System and method for deploying an optical fiber in a well |
| 08/05/2004 | WO2004065756A1 Improved downhole apparatus |
| 08/05/2004 | WO2004053935A3 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 08/05/2004 | WO2004018823A3 Interposed joint sealing layer method of forming a wellbore casing |
| 08/05/2004 | WO2003102349A3 Apparatus and methods for preventing axial movement of downhole tool assemblies |
| 08/05/2004 | WO2003023178A3 Adjustable expansion cone assembly |
| 08/05/2004 | US20040149454 Downhole sealing |
| 08/05/2004 | US20040149452 Self-orienting selectable locating collet and method for location within a wellbore |
| 08/05/2004 | US20040149449 Vent screen pressure deployment tool and method of use |
| 08/05/2004 | US20040149448 Method and device for pressure controlled sequential operation |
| 08/05/2004 | US20040149442 Apparatus and methods for radially expanding a tubular member |
| 08/05/2004 | US20040149430 Thru tubing tool and method |
| 08/05/2004 | CA2509810A1 System and method for deploying an optical fiber in a well |
| 08/04/2004 | EP1159510B1 Wellbore primary barrier and related systems |
| 08/04/2004 | CN2630476Y Oil pipe anchoring device |
| 08/04/2004 | CN2630475Y Anchored oil-discharging pipe anchor |
| 08/04/2004 | CN2630474Y Rotary oil pipe positioning anchor |
| 08/03/2004 | US6769490 Downhole surge reduction method and apparatus |
| 08/03/2004 | CA2285193C Method and apparatus for deploying a well tool into a lateral wellbore |
| 07/29/2004 | WO2004063523A1 Actuation devices, tools and apparatus |
| 07/29/2004 | WO2004063522A1 Wellstring assembly |
| 07/29/2004 | WO2004042185B1 Downhole cutting locator tool |
| 07/29/2004 | WO2004027200A3 Bottom plug for forming a mono diameter wellbore casing |
| 07/29/2004 | WO2004018824A3 Magnetic impulse applied sleeve method of forming a wellbore casing |
| 07/29/2004 | US20040144548 Tractor with improved valve system |
| 07/29/2004 | US20040144546 Downhole actuating apparatus and method |
| 07/28/2004 | CN2628711Y Thermal flashing supporting slips |
| 07/27/2004 | US6766854 Well-bore sensor apparatus and method |
| 07/27/2004 | US6766703 Apparatus and method for enhancing remote sensor performance and utility |
| 07/27/2004 | CA2444588C High temperature, high pressure retrievable packer |
| 07/22/2004 | WO2004061265A1 Alternative packer setting method |
| 07/22/2004 | WO2003071086A3 Mono-diameter wellbore casing |
| 07/22/2004 | US20040140128 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 07/22/2004 | US20040140087 Rod pump |
| 07/21/2004 | EP1218619B1 Packer system |
| 07/20/2004 | US6763893 Downhole tubular patch, tubular expander and method |
| 07/20/2004 | US6763889 Subsea intervention |
| 07/20/2004 | US6763883 Method and apparatus for improved communication in a wellbore utilizing acoustic signals |
| 07/20/2004 | CA2304323C Deployable sensor apparatus and method |
| 07/20/2004 | CA2217293C Mechanism for anchoring a well tool |
| 07/15/2004 | WO2004059120A1 Anchor device to relieve tension from the rope socket prior to perforating a well |
| 07/15/2004 | WO2004044379A3 Downhole hydraulic control line connector |
| 07/15/2004 | WO2004031527A3 Appartus and methods for installing casing in a borehole |
| 07/15/2004 | WO2003078785A3 Collapsible expansion cone |
| 07/15/2004 | US20040134662 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 07/14/2004 | EP1436482A2 High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
| 07/14/2004 | EP0901559B1 Multicut window mill |
| 07/13/2004 | US6761574 Coiled tubing connector |
| 07/13/2004 | US6761221 Slip assembly for hanging an elongate member within a wellbore |
| 07/13/2004 | US6761217 Downhole latch assembly and method of using the same |
| 07/13/2004 | CA2322075C Packer with equalizing valve and method of use |
| 07/13/2004 | CA2199232C High temperature, high pressure retrievable packer |
| 07/08/2004 | WO2003093623A3 Mono diameter wellbore casing |
| 07/08/2004 | WO2003058022A3 Seal receptacle using expandable liner hanger |
| 07/08/2004 | US20040131480 Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal |
| 07/08/2004 | US20040129456 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 07/08/2004 | US20040129430 Downhole latch |
| 07/08/2004 | US20040129423 Downhole tool |
| 07/06/2004 | US6758280 Non-seize material attachment for a drill slip system |
| 07/06/2004 | US6758279 Puller-thruster downhole tool |
| 07/06/2004 | US6758278 Forming a wellbore casing while simultaneously drilling a wellbore |
| 07/01/2004 | WO2004031533A3 Downhole ball dropping apparatus |
| 07/01/2004 | WO2003042487A3 Mono diameter wellbore casing |
| 07/01/2004 | US20040124015 Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 07/01/2004 | US20040123984 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 06/30/2004 | CN2622380Y Small flat cable fastener for electric pump of oil well |
| 06/29/2004 | US6755257 Drillpipe assembly and a method of deploying a logging tool |
| 06/29/2004 | US6755248 One trip through tubing window milling apparatus and method |
| 06/29/2004 | US6755097 Granular particle gripping surface |
| 06/24/2004 | WO2004053935A2 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 06/24/2004 | WO2004053289A1 Seal cup for a wellbore tool and method |
| 06/24/2004 | WO2004053288A1 Anchoring device for a wellbore tool |
| 06/24/2004 | WO2004053284A2 Isolated electrical connection in a drill string |
| 06/24/2004 | WO2003048501A3 Downhole assembly releasable connection |
| 06/24/2004 | US20040118613 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 06/24/2004 | US20040118574 Mono-diameter wellbore casing |
| 06/24/2004 | US20040118565 Bi-directional thruster pig apparatus and method of utilizing same |
| 06/23/2004 | CN2621220Y Manometer casing pipe hanging device |
| 06/22/2004 | US6752216 Expandable packer, and method for seating an expandable packer |
| 06/17/2004 | WO2004029405A9 Locking apparatus with packoff capability |
| 06/17/2004 | US20040112646 Steel; rotation drilling; in situ cementing casing |
| 06/17/2004 | US20040112608 Choke valve assembly for downhole flow control |
| 06/17/2004 | US20040112606 Mono-trip cement thru completion |
| 06/17/2004 | US20040112599 Cement through side pocket mandrel |
| 06/17/2004 | US20040112594 Closed-loop downhole resonant source |
| 06/17/2004 | US20040112593 Hydraulic circuit construction in downhole tools |
| 06/17/2004 | US20040112591 Anchor device to relieve tension from the rope socket prior to perforating a well |
| 06/17/2004 | US20040112590 Tubing string anchoring tool |
| 06/17/2004 | US20040112587 Expandable downhole tool |
| 06/16/2004 | EP1428974A2 Expandable wellbore junction |