| Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
|---|
| 08/21/2008 | WO2008100943A2 Subsea pipeline service skid |
| 08/21/2008 | WO2008079777A3 Material sensitive downhole flow control device |
| 08/21/2008 | WO2008070051A3 Restriction element trap for use with and actuation element of a downhole apparatus and method of use |
| 08/21/2008 | US20080196884 Expandable Packer with Mounted Exterior Slips and Seal |
| 08/21/2008 | CA2708007A1 Tractor communication/control and select fire perforating switch simulations |
| 08/20/2008 | CN101245696A Tubular pile dragging device |
| 08/19/2008 | CA2490505C Seal stack for sliding sleeve |
| 08/19/2008 | CA2407916C Method and apparatus for communicating with downhole devices in a wellbore |
| 08/14/2008 | WO2008031040A3 Systems and methods to retard rod string backspin |
| 08/14/2008 | US20080190668 Separation Of Evolved Gases From Drilling Fluids In a Drilling Operation |
| 08/14/2008 | CA2765193A1 Swellable packer with enhanced sealing capability |
| 08/13/2008 | EP1466069B1 Downhole assembly releasable connection |
| 08/13/2008 | CN201100107Y A whole mandrel bushing suspender |
| 08/12/2008 | US7410002 Method and apparatus to provide electrical connection in a wellhead for a downhole electrical device |
| 08/12/2008 | US7410000 Mono-diameter wellbore casing |
| 08/12/2008 | US7409996 Control system communication and lock open tool and method for locking open a safety valve and communicating with surface |
| 08/12/2008 | US7409988 Blowout preventer packing element with non-metallic composite inserts |
| 08/12/2008 | CA2502591C Apparatus and methods for installing instrumentation line in a wellbore |
| 08/12/2008 | CA2299580C Live well deployment of electrical submersible pump |
| 08/12/2008 | CA2164774C Retrievable through tubing tool and method |
| 08/07/2008 | US20080185157 System and method for a low drag flotation system |
| 08/06/2008 | CN201095974Y Uniflow valve throwing in and fishing out by steel wire operation |
| 08/06/2008 | CN201095965Y Multilateral well pipe string ball seat joint |
| 08/06/2008 | CN201095964Y Jet-proof anchoring equipment |
| 08/05/2008 | CA2518344C Automatic tool release |
| 08/05/2008 | CA2349188C Wellbore system including a conduit and an expandable device |
| 07/31/2008 | WO2008091157A1 Device for transport of tools in wellbores and pipelines |
| 07/31/2008 | WO2006001974A3 Pressure monitoring of control lines for tool position feedback |
| 07/30/2008 | EP1680573B1 Expandable wellbore assembly |
| 07/30/2008 | CN201092833Y Device for rapidly adding disk root |
| 07/30/2008 | CN201092832Y Portable closing session root machine |
| 07/30/2008 | CN201092831Y Lifting screw pump anchoring device. |
| 07/30/2008 | CN201092830Y Static pressure off-centering tubing anchor |
| 07/30/2008 | CN201092829Y Mechanical off-centering tubing anchor |
| 07/29/2008 | US7404445 Perimetrically loading collet |
| 07/29/2008 | CA2509603C Separable plug for use with a wellbore tool |
| 07/29/2008 | CA2341119C Methods and associated apparatus for drilling and completing a wellbore junction |
| 07/24/2008 | WO2008088597A2 Assembling functional modules to form a well tool |
| 07/24/2008 | WO2008087282A2 Measurement device in a horizontal well |
| 07/24/2008 | WO2008087281A2 Measuring system and method for a horizontal shaft |
| 07/24/2008 | CA2671252A1 Measurement device in a horizontal well |
| 07/23/2008 | EP1946272A2 Method and apparatus for coupling expandable tubular members |
| 07/23/2008 | CN201090158Y Friction assembly |
| 07/23/2008 | CN201090157Y Callback type deflector anchorage tool for branching well |
| 07/23/2008 | CN201090156Y Expansion rotating tool for branching well |
| 07/22/2008 | US7401665 Apparatus and method for drilling a branch borehole from an oil well |
| 07/22/2008 | US7401650 Apparatus and methods for radially expanding a tubular member |
| 07/22/2008 | CA2511826C Alternative packer setting method |
| 07/22/2008 | CA2495524C Apparatus and method for installation of subsea well completion systems |
| 07/22/2008 | CA2308846C Small diameter run in whipstock and method for setting in large diameter casing |
| 07/19/2008 | CA2618556A1 Electric submersible pump and motor assembly |
| 07/19/2008 | CA2618373A1 Wireline or coiled tubing deployed electric submersible pump |
| 07/17/2008 | WO2008085613A2 Liner hanger |
| 07/17/2008 | WO2008085612A2 System for lining a wellbore casing |
| 07/17/2008 | WO2008083448A1 Device or actuating a bottom tool |
| 07/17/2008 | US20080169107 Apparatus and method for stabilization of downhole tools |
| 07/17/2008 | CA2674030A1 Downhole tool |
| 07/16/2008 | CN201087709Y Well-control valve switching device under pressure |
| 07/16/2008 | CN201087708Y Mounting tools for incontrollable well blowout spraying device |
| 07/16/2008 | CN101220734A Working bench support in mine |
| 07/15/2008 | US7400263 Method and system for performing operations and for improving production in wells |
| 07/15/2008 | US7398832 Mono-diameter wellbore casing |
| 07/15/2008 | US7398831 Expandable tubing and method |
| 07/15/2008 | US7398822 Downhole connection system |
| 07/15/2008 | CA2366118C Core barrel |
| 07/15/2008 | CA2315969C Underbalanced drilling tool and method |
| 07/15/2008 | CA2187010C Method and appartus for remote control of wellbore end devices |
| 07/10/2008 | WO2008082971A1 Liner anchor for expandable casing strings |
| 07/10/2008 | WO2008082307A1 Pressure driven apparatus for sequential control of a cementing head |
| 07/10/2008 | WO2008081404A1 Coiled tubing tractor assembly |
| 07/10/2008 | WO2008081402A1 Hydraulically driven tractor |
| 07/10/2008 | US20080164037 Mitigation of localized stress in tubulars |
| 07/10/2008 | US20080164017 Bottom hole completion system for an intermittent plunger |
| 07/09/2008 | EP1942248A1 System and methods for tubular expansion |
| 07/09/2008 | EP1941124A1 Applications of low power bistable actuators downhole |
| 07/09/2008 | EP1941123A1 Extended reach drilling apparatus and method |
| 07/09/2008 | CN201083101Y Integrated dual-purpose tool |
| 07/09/2008 | CN201083097Y Folding oil well packing fast changing device |
| 07/09/2008 | CN201083096Y Oil pipe hanger |
| 07/09/2008 | CN201083095Y Tubing string anti-falling anchor |
| 07/09/2008 | CN201083094Y Tubing anchor |
| 07/09/2008 | CN100400794C Method and system for accessing substerranean deposits from the surface |
| 07/08/2008 | CA2481233C Replaceable electrical device for drilling tool |
| 07/08/2008 | CA2400001C Intervention device for a subsea well, and method and cable for use with the device |
| 07/08/2008 | CA2308667C Hydraulically releasable coupling device |
| 07/05/2008 | CA2573189A1 Artificial lift system |
| 07/03/2008 | WO2008079782A2 Production actuated mud flow back valve |
| 07/03/2008 | WO2008079777A2 Material sensitive downhole flow control device |
| 07/03/2008 | WO2008059260A3 Improved tree plug |
| 07/03/2008 | US20080156500 Packer |
| 07/03/2008 | US20080156499 System and methods for tubular expansion |
| 07/03/2008 | US20080156480 Apparatus for expanding a tubular member |
| 07/03/2008 | US20080156479 Method of using an orientation mule shoe to enter a previously-installed tubular in a lateral |
| 07/03/2008 | US20080156478 Universal Tubing Hanger Suspension Assembly and Well Completion System and Method of Using Same |
| 07/03/2008 | US20080156477 Deployment tool for well logging instruments conveyed through the interior of a pipe string |
| 07/03/2008 | CA2672754A1 Material sensitive downhole flow control device |
| 07/02/2008 | CN201080805Y Releasing cementing tool |
| 07/02/2008 | CN201080796Y Double-wing packing kit packing loading and unloading dedicated tool |
| 07/01/2008 | US7392859 Roller link toggle gripper and downhole tractor |
| 07/01/2008 | US7392841 Self boosting packing element |