| 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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| 05/16/2006 | CA2184943C Lateral seal and control system |
| 05/11/2006 | WO2006048623A1 Conveyor tube for use in installing or replacing a well tool in a producing well and procedures for use of the same |
| 05/11/2006 | WO2006003477A3 Intervention rod |
| 05/11/2006 | US20060098532 Mud pulse landing assembly for use in directional drilling |
| 05/11/2006 | US20060096762 Mono-diameter wellbore casing |
| 05/11/2006 | US20060096755 Method and system for accessing subterranean deposits from the surface |
| 05/10/2006 | CN2779035Y Tubing anchor |
| 05/09/2006 | US7040420 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 05/09/2006 | US7040412 Adjustable hanger system and method |
| 05/09/2006 | US7040393 Choke and kill line systems for blowout preventers |
| 05/09/2006 | US7040392 Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal |
| 05/09/2006 | US7040390 Wellbores utilizing fiber optic-based sensors and operating devices |
| 05/09/2006 | CA2425418C Expandable lockout for a subsurface safety valve |
| 05/04/2006 | WO2006046075A2 Improved plug |
| 05/04/2006 | WO2005116387A3 Deployment system |
| 05/04/2006 | US20060095240 System and Method for Placement of a Packer in an Open Hole Wellbore |
| 05/04/2006 | US20060090902 Protective sleeve for threaded connections for expandable liner hanger |
| 05/04/2006 | CA2813539A1 Improved plug |
| 05/04/2006 | CA2627279A1 Improved plug |
| 05/03/2006 | EP1653041A2 Tubular cutting tool |
| 05/03/2006 | EP1653040A1 Downhole tool and method for use of the same |
| 05/03/2006 | EP1412612B1 Downhole actuation system utilizing electroactive fluids |
| 05/03/2006 | CN2777184Y External packer filling tool for completion pipe of horizontal well |
| 05/03/2006 | CN2777183Y Hydraulic joint for releasing gadget |
| 05/02/2006 | US7036602 Retrievable bridge plug |
| 05/02/2006 | US7036600 Technique for deploying expandables |
| 05/02/2006 | US7036598 Intervention module for a well |
| 05/02/2006 | US7036582 Expansion cone for radially expanding tubular members |
| 05/02/2006 | US7036581 Wellbore seal device |
| 05/02/2006 | US7036580 Downhole motor lock-up tool |
| 05/02/2006 | US7036397 Granular particle gripping surface |
| 04/27/2006 | WO2006043829A1 A method and a device for setting a casing |
| 04/27/2006 | US20060086508 Placing fiber optic sensor line |
| 04/25/2006 | US7032679 Tie back and method for use with expandable tubulars |
| 04/25/2006 | US7032658 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 04/25/2006 | CA2351128C Apparatus and method for orienting a downhole tool |
| 04/20/2006 | US20060081380 Collar locator for slick pump |
| 04/19/2006 | EP1086294B1 Method and system for measuring data in a fluid transportation conduit |
| 04/19/2006 | CN1252372C Apparatus and method for conveying tool along non-vertical well |
| 04/18/2006 | US7028780 Expandable hanger with compliant slip system |
| 04/18/2006 | US7028779 Auto-extending/retracting electrically isolated conductors in a segmented drill string |
| 04/18/2006 | US7028770 Tubular expansion apparatus and method |
| 04/18/2006 | CA2380034C Long reach rotary drilling assembly |
| 04/18/2006 | CA2197260C Electro hydraulic downhole control device |
| 04/18/2006 | CA2187434C Computer controlled downhole tools for production well control |
| 04/13/2006 | US20060076147 Methods and apparatus for manufacturing of expandable tubular |
| 04/11/2006 | US7025146 Alternative packer setting method |
| 04/11/2006 | US7025142 Bi-directional thruster pig apparatus and method of utilizing same |
| 04/11/2006 | US7025131 Electrical tubing control and remediation apparatus and method of use |
| 04/11/2006 | CA2274203C Method and apparatus for positioning and repositioning a plurality of service tools downhole without rotation |
| 04/06/2006 | US20060070743 Surface instrumentation configuration for drilling rig operation |
| 04/06/2006 | US20060070734 System and method for determining forces on a load-bearing tool in a wellbore |
| 04/05/2006 | CN2769513Y One-way spiral conic regulating rod |
| 04/05/2006 | CN2769493Y Small-diameter hydraulic release joint |
| 04/04/2006 | US7021390 Tubular liner for wellbore casing |
| 04/04/2006 | US7021382 Downhole axial force generating tool |
| 04/04/2006 | CA2400132C Recirculatable ball-drop release device for lateral oilwell drilling applications |
| 04/04/2006 | CA2182913C Pressure-boost device for downhole tools |
| 03/30/2006 | US20060065408 Methods and apparatus for expanding tubular strings and isolating subterranean zones |
| 03/30/2006 | US20060065406 Interposed joint sealing layer method of forming a wellbore casing |
| 03/30/2006 | US20060065403 Bottom plug for forming a mono diameter wellbore casing |
| 03/29/2006 | EP1640560A1 Device for arranging a shut-off valve in a well |
| 03/29/2006 | EP1639226A2 Wellhead assembly with pressure actuated seal assembly and running tool |
| 03/29/2006 | CN2767645Y Filling pile positioning tool for horizontal well |
| 03/28/2006 | US7017672 Self-set bridge plug |
| 03/28/2006 | US7017670 Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole |
| 03/28/2006 | US7017650 Earth loop energy systems |
| 03/28/2006 | CA2416006C Heater cable and method for manufacturing |
| 03/28/2006 | CA2368915C Wireless packer/anchor setting or activation |
| 03/28/2006 | CA2356506C High-load big bore lock |
| 03/28/2006 | CA2260540C Downhole connector for production tubing and control line and method |
| 03/28/2006 | CA2233086C Method for isolating multi-lateral well completions while maintaining selective drainhole re-entry access |
| 03/28/2006 | CA2168053C Packer inflation system |
| 03/28/2006 | CA2167857C Running tool |
| 03/22/2006 | EP1549823A4 Bottom plug for forming a mono diameter wellbore casing |
| 03/22/2006 | CN2766026Y Leakproof oil tube anchor |
| 03/21/2006 | US7013997 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 03/16/2006 | WO2005103440A3 Deploying an assembly into a well |
| 03/16/2006 | US20060054354 Downhole tool |
| 03/16/2006 | CA2578367A1 Hydraulically operated protector for downhole devices |
| 03/15/2006 | EP1635035A1 Hydraulically operated protection for downhole devices |
| 03/15/2006 | CN1748073A Downhole tool |
| 03/15/2006 | CN1245568C Downhole rod pipe fixing device |
| 03/14/2006 | US7011161 Structural support |
| 03/14/2006 | US7011153 Hydraulically released inflation tool for permanent bridge plug |
| 03/09/2006 | US20060048948 Anchor hangers |
| 03/09/2006 | US20060048947 Rotating stuffing box with split standpipe |
| 03/09/2006 | US20060048940 Automatic Tool Release |
| 03/08/2006 | EP1497526A4 Bi-directional thruster pig apparatus and method of utilizing same |
| 03/08/2006 | EP1466069A4 Downhole assembly releasable connection |
| 03/08/2006 | EP1123454B1 System, apparatus, and method for installing control lines in a well |
| 03/08/2006 | CN2763479Y Pneumatic mouse-hold tongs |
| 03/08/2006 | CN2763478Y Spring type hydraulic boosting earth anchor |
| 03/08/2006 | CN2763455Y Clamping device for whipstock |
| 03/08/2006 | CN2763453Y Releasing gadget for side drilling in sleeve opening |
| 03/07/2006 | US7007758 Cavity positioning tool and method |
| 03/07/2006 | CA2415488C Apparatus and methods for orientation of a tubular string in a non-vertical wellbore |
| 03/02/2006 | US20060042835 Apparatus and method for drilling a branch borehole from an oil well |
| 03/01/2006 | EP0973994B1 Apparatus for removing an item from a wellbore |
| 03/01/2006 | CA2517753A1 Apparatus and method for drilling a branch borehole from an oil well |