| Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
|---|
| 06/19/2007 | US7231970 Non-rotational casing hanger and seal assembly running tool |
| 06/19/2007 | CA2458454C Drillable inflatable packer and methods of use |
| 06/14/2007 | WO2007067786A1 Plug retrieval and debris removal tool |
| 06/14/2007 | WO2007014101A3 Downhole actuation tool |
| 06/14/2007 | US20070131433 In-situ creation of drilling deflector |
| 06/14/2007 | US20070131431 Self-Lubricating expansion mandrel for expandable tubular |
| 06/14/2007 | DE102004056323B4 Hängevorrichtung für ein Werkzeug Suspension device for a tool |
| 06/13/2007 | EP1794409A1 Thruster pig |
| 06/13/2007 | EP1794408A1 Method for hydrate plug removal |
| 06/13/2007 | CN2912027Y Low voltage safety cable backing roll of electrical pump |
| 06/13/2007 | CN1981145A Chain drive system |
| 06/12/2007 | US7228912 Method and system to deploy control lines |
| 06/12/2007 | US7228910 Safety mechanism for weight-set downhole tool |
| 06/12/2007 | US7228897 Cement through side pocket mandrel |
| 06/12/2007 | US7228896 Ribbed sealing element and method of use |
| 06/12/2007 | CA2462195C Expandable packer |
| 06/12/2007 | CA2456189C Downhole actuation system utilizing electroactive fluids |
| 06/12/2007 | CA2367491C Wellbore packer with rupture disc |
| 06/12/2007 | CA2315233C System and method for positioning a tool in a wellbore |
| 06/12/2007 | CA2290892C Well logging method & apparatus |
| 06/07/2007 | WO2007064605A2 End closure device for a turbomachine casing |
| 06/07/2007 | US20070125553 Circulation tool |
| 06/07/2007 | US20070125550 Thru tubing tool and method |
| 06/06/2007 | CN2908778Y Releasing gadget tool for underground testing |
| 06/05/2007 | US7225889 Downhole motor locking assembly and method |
| 06/05/2007 | US7225880 Expandable liner hanger system and method |
| 06/05/2007 | US7225870 Hydraulic tools for setting liner top packers and method for cementing liners |
| 06/05/2007 | US7225867 Liner top test packer |
| 06/05/2007 | CA2401116C Sand removal and device retrieval tool |
| 06/05/2007 | CA2240037C Cable anchor assembly |
| 05/31/2007 | US20070119597 Expanding multiple tubular portions |
| 05/30/2007 | CN2906037Y Tail pipe suspension tool assembly |
| 05/30/2007 | CN2906025Y Indicator for connection of pre-perforated branched joints |
| 05/29/2007 | US7222682 Chain drive system |
| 05/29/2007 | US7222676 Well communication system |
| 05/29/2007 | US7222669 Method of repair of collapsed or damaged tubulars downhole |
| 05/29/2007 | CA2322863C Pressure actuated downhole tool |
| 05/29/2007 | CA2250957C Device for inspection of pipes |
| 05/29/2007 | CA2200413C A method of installing the casing in a well and apparatus therefor |
| 05/24/2007 | WO2007035745A3 Well treatment device, method, and system |
| 05/24/2007 | US20070114042 Hydraulic latch for capillary tubing string |
| 05/24/2007 | US20070114019 Annular Isolators for Expandable Tubulars in Wellbores |
| 05/22/2007 | US7219742 Method and apparatus to complete a well having tubing inserted through a valve |
| 05/22/2007 | US7219726 Method and apparatus to vibrate a downhole component |
| 05/18/2007 | WO2007056732A2 Method and apparatus for downhole tubular expansion |
| 05/17/2007 | US20070107943 Tractor with improved valve system |
| 05/17/2007 | US20070107911 Latchable hanger assembly for liner drilling and completion |
| 05/17/2007 | US20070107895 Solid Expandable Tubular Members Formed From Very Low Carbon Steel And Method |
| 05/16/2007 | CN2900766Y Hydraulic anchoring device |
| 05/15/2007 | US7216716 Control line manipulating arm and method of using same |
| 05/15/2007 | US7216713 Downhole actuating apparatus and method |
| 05/15/2007 | US7216706 Annular isolators for tubulars in wellbores |
| 05/15/2007 | US7216700 Torsional resistant slip mechanism and method |
| 05/15/2007 | US7216699 Sub mudline abandonment connector |
| 05/15/2007 | CA2447380C Multi-cycle dump valve |
| 05/15/2007 | CA2348305C Breech lock wireline connector |
| 05/14/2007 | CA2526820A1 Downhole anchor |
| 05/10/2007 | WO2007051970A1 Diverter plugs for use in well bores and associated methods of use |
| 05/10/2007 | WO2007051969A1 Diverter plugs for use in well bores and associated methods of use |
| 05/09/2007 | CN2898298Y Pressure-bearing transfer connector at lower end for hydraulic propeller |
| 05/09/2007 | CN2898270Y Backward fishing tool of wireless drill measuring equipment |
| 05/09/2007 | CN2898269Y Multifunctional sieve-tube hanger |
| 05/09/2007 | CN2898268Y Special oil-pipe anchor for screw pump |
| 05/08/2007 | US7213657 Apparatus and methods for installing instrumentation line in a wellbore |
| 05/08/2007 | US7213653 Deep set safety valve |
| 05/08/2007 | US7213643 Expanded liner system and method |
| 05/08/2007 | US7213607 Mandrel for a gas lift valve |
| 05/03/2007 | WO2007050770A1 Extended reach drilling apparatus and method |
| 05/03/2007 | WO2007050161A2 Downhole tool |
| 05/03/2007 | CA2627284A1 Extended reach drilling apparatus and method |
| 05/02/2007 | CN2895709Y Oil-pipe rotating drive apparatus of oil-pumping well head |
| 05/01/2007 | CA2453904C Method and device for pressure controlled sequential operation |
| 04/26/2007 | WO2004081346B1 Apparatus for radially expanding and plastically deforming a tubular member |
| 04/26/2007 | US20070089911 Downhole tool |
| 04/26/2007 | US20070089886 Expandable Sleeve |
| 04/26/2007 | US20070089875 High pressure D-tube with enhanced through tube access |
| 04/25/2007 | CN1312377C Apparatus and method for operating drill head from ground surface when drilling |
| 04/24/2007 | US7207390 Method and system for lining multilateral wells |
| 04/24/2007 | CA2444043C Well stimulation tool and method for inserting a backpressure plug through a mandrel of the tool |
| 04/24/2007 | CA2390523C Apparatus for delivering a flowable substance to a remote location |
| 04/24/2007 | CA2185205C Steerable drilling tool and system |
| 04/19/2007 | US20070084599 Rotary expansion |
| 04/18/2007 | EP1436482B1 High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
| 04/18/2007 | CN2890334Y Regulating arm for downhole logging tool |
| 04/18/2007 | CN1950585A Deploying an assembly into a well |
| 04/18/2007 | CN1948702A Well drilling method of multibranch well |
| 04/17/2007 | US7204306 Device for installation of a profile liner in a well |
| 04/17/2007 | US7204305 System and method for installing a liner in a borehole |
| 04/17/2007 | US7204007 Method and apparatus for forming a mono-diameter wellbore casing |
| 04/17/2007 | CA2384214C Oil well tubing injection system |
| 04/12/2007 | WO2006020723B1 Radial expansion system |
| 04/12/2007 | WO2004111380A3 Wellhead assembly with pressure actuated seal assembly and running tool |
| 04/12/2007 | WO2004083595A3 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 04/12/2007 | US20070079968 Hydraulic Control and Actuation System for Downhole Tools |
| 04/11/2007 | EP1771637A2 Expandable tubular |
| 04/10/2007 | US7201231 Apparatuses and methods for deploying logging tools and signalling in boreholes |
| 04/10/2007 | US7201230 Hydraulic control and actuation system for downhole tools |
| 04/10/2007 | US7201223 Method and apparatus for forming a mono-diameter wellbore casing |
| 04/10/2007 | US7201221 Wellbores utilizing fiber optic-based sensors and operating devices |
| 04/10/2007 | CA2349391C Wellbore flow control device |