| Patents for E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744) |
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| 07/17/2007 | US7243729 Subsea junction plate assembly running tool and method of installation |
| 07/17/2007 | US7243725 Surge chamber assembly and method for perforating in dynamic underbalanced conditions |
| 07/17/2007 | US7243722 Expander device |
| 07/17/2007 | US7243716 Heated windable rigid duct for transporting fluids, particularly hydrocarbons |
| 07/17/2007 | US7243714 Well provided with flexible production tubing |
| 07/17/2007 | US7243713 Shear/seal ram assembly for a ram-type blowout prevention system |
| 07/17/2007 | CA2536716C Expanded threaded connection with seal at interface |
| 07/17/2007 | CA2526227C Expandable connector for borehole tubes |
| 07/12/2007 | WO2006118920A3 Systems and methods for managing downhole pressure |
| 07/10/2007 | US7240736 Drilling and producing deep water subsea wells |
| 07/10/2007 | US7240735 Subsea wellhead assembly |
| 07/10/2007 | US7240734 System and method for fail-safe disconnect from a subsea well |
| 07/10/2007 | US7240729 Apparatus for expanding a tubular member |
| 07/10/2007 | US7240728 Expandable tubulars with a radial passage and wall portions with different wall thicknesses |
| 07/10/2007 | CA2459053C Tubing expansion |
| 07/05/2007 | WO2007047655A3 System and method for performing multiple downhole operations |
| 07/05/2007 | US20070151591 Downhole thermoelectric power generation |
| 07/04/2007 | EP1802846A2 Expandable seal |
| 07/03/2007 | US7237617 Disengageable downhole tool |
| 07/03/2007 | US7237613 Underbalanced marine drilling riser |
| 07/03/2007 | CA2468729C Reverse section milling method and apparatus |
| 06/27/2007 | CN2916108Y Movable wimble mill tube |
| 06/27/2007 | CN2916107Y Oil-water well casing descaling milling wimble |
| 06/26/2007 | US7234532 Expansion apparatus and method |
| 06/26/2007 | US7234528 Multi-purpose sleeve for tieback connector |
| 06/26/2007 | US7234527 System and method for fail-safe disconnect from a subsea well |
| 06/26/2007 | CA2271795C Whipstock |
| 06/21/2007 | WO2006060788A3 Downhole swivel apparatus and method |
| 06/21/2007 | US20070137826 Creating a well abandonment plug |
| 06/20/2007 | EP1798369A2 Deformable seal (DIV II) |
| 06/20/2007 | CN2913584Y Following type cannula compensating instrument |
| 06/20/2007 | CN1985068A Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| 06/19/2007 | US7231981 Inline compensator for a floating drill rig |
| 06/19/2007 | US7231979 Short radius whipstock system |
| 06/14/2007 | US20070131426 Junk removal tool |
| 06/14/2007 | US20070131412 Mass Isolation Joint for Electrically Isolating a Downhole Tool |
| 06/14/2007 | CA2628609A1 Apparatus, system and method for installing boreholes from a main wellbore |
| 06/12/2007 | US7228912 Method and system to deploy control lines |
| 06/12/2007 | US7228896 Ribbed sealing element and method of use |
| 06/12/2007 | CA2317553C A drill pipe and method of forming and reconditioning a drill pipe |
| 06/07/2007 | WO2007063016A1 Method and device for cementing a well or a pipe |
| 06/07/2007 | US20070125545 Method and apparatus for removing cuttings from drilling fluids |
| 06/06/2007 | EP1792045A2 A modular, distributed, rov retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 06/05/2007 | US7225889 Downhole motor locking assembly and method |
| 06/05/2007 | US7225879 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 06/05/2007 | US7225876 Connector assembly |
| 06/05/2007 | US7225873 Coiled tubing cutter |
| 06/05/2007 | US7225868 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 06/05/2007 | CA2445061C Milling tool insert |
| 05/29/2007 | US7222674 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 05/29/2007 | US7222669 Method of repair of collapsed or damaged tubulars downhole |
| 05/29/2007 | CA2472793C Connection of downhole tubulars by expansion |
| 05/29/2007 | CA2432637C Method and apparatus for repair operations downhole |
| 05/24/2007 | US20070114040 System and Method for Sensing Parameters in a Wellbore |
| 05/22/2007 | US7219741 Tubing annulus valve |
| 05/22/2007 | US7219740 Well production and multi-purpose intervention access hub |
| 05/22/2007 | US7219739 Heave compensation system for hydraulic workover |
| 05/22/2007 | US7219738 Inner riser adjustable hanger and seal assembly |
| 05/22/2007 | US7219737 Subsea wellhead arrangement for hydraulically pumping a well |
| 05/22/2007 | US7219736 Externally testable redundant connections for subsea wells |
| 05/22/2007 | US7219727 Wear resistant tubular connection |
| 05/22/2007 | US7219722 Apparatus and methods for powering downhole electrical devices |
| 05/22/2007 | CA2401184C Improving reservoir communication with a wellbore |
| 05/18/2007 | WO2007056615A1 Flush mounted tubular patch |
| 05/17/2007 | US20070107908 Oilfield Elements Having Controlled Solubility and Methods of Use |
| 05/17/2007 | US20070107906 Dry tree subsea well communications apparatus using variable tension large offset risers |
| 05/17/2007 | US20070107898 Flush mounted tubular patch |
| 05/17/2007 | US20070107893 Perforating safety system |
| 05/16/2007 | CN1316139C Set and method for repariring oil well casing by using iron based shape memory alloy |
| 05/15/2007 | US7217065 Modular pipe breaking assembly and method |
| 05/15/2007 | US7216715 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 05/15/2007 | US7216714 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 05/15/2007 | US7216708 Reactive stimulation of oil and gas wells |
| 05/15/2007 | US7216701 Apparatus for expanding a tubular member |
| 05/10/2007 | WO2007053582A2 Improved vacuum insulated dewar flask |
| 05/08/2007 | US7213657 Apparatus and methods for installing instrumentation line in a wellbore |
| 05/08/2007 | US7213648 Pressure-actuated perforation with continuous removal of debris |
| 05/03/2007 | WO2007049026A1 Cutting device and method |
| 05/03/2007 | US20070095543 Vacuum insulated dewar flask |
| 05/03/2007 | US20070095540 Apparatus and method for managed pressure drilling |
| 05/03/2007 | US20070095532 Apparatus and method for sealing a wellbore |
| 05/02/2007 | EP1726187A4 Extracting and processing hydrocarbon-bearing formations |
| 05/02/2007 | CN1957158A Temperature limited heaters used to heat subsurface formations |
| 05/01/2007 | US7210533 Disposable downhole tool with segmented compression element and method |
| 05/01/2007 | US7210531 Protective element for a riser segment |
| 05/01/2007 | US7210530 Subsea separation system |
| 04/26/2007 | WO2007047800A2 Apparatus and method for managed pressure drilling |
| 04/26/2007 | US20070089910 Method of forming a bore |
| 04/26/2007 | CA2626421A1 System and method for performing multiple downhole operations |
| 04/25/2007 | EP1206623B1 Anti-rotation device for use with well tools |
| 04/25/2007 | CN2893132Y Guide pricker grind shoe with pregrinding cutting plate on guide pricker |
| 04/25/2007 | CN1954131A Subsurface electrical heaters using nitride insulation |
| 04/25/2007 | CN1312377C Apparatus and method for operating drill head from ground surface when drilling |
| 04/24/2007 | US7207401 One trip milling system |
| 04/24/2007 | US7207382 Shearing sealing ram |
| 04/19/2007 | WO2007044924A2 Rig assist compensation system |
| 04/19/2007 | WO2007044603A2 Internally rotating nozzle for facilitating drilling through a subterranean formation |
| 04/19/2007 | US20070084606 Rig assist compensation system |
| 04/18/2007 | CN1948702A Well drilling method of multibranch well |
| 04/17/2007 | US7204306 Device for installation of a profile liner in a well |