| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 08/24/2006 | US20060185844 Downhole device to measure and record setting motion of packers |
| 08/24/2006 | US20060185843 Assembly and method for determining thermal properties of a formation and forming a liner |
| 08/23/2006 | EP1693548A2 Method and apparatus for treating a well |
| 08/23/2006 | EP1693547A2 Method and apparatus for well testing |
| 08/23/2006 | EP1693123A1 Extraction unit for extracting biogas |
| 08/23/2006 | EP1692368A1 Compressible darts and methods for using these darts in subterranean wells |
| 08/23/2006 | EP1692367A2 Molded foam plugs, plug systems and methods of using same |
| 08/23/2006 | EP1305501B1 Method for treating multiple wellbore intervals |
| 08/23/2006 | CN2809205Y Thermostable anti-corrosion packer |
| 08/23/2006 | CN2809204Y Multilayer speed-down fracturing packer |
| 08/23/2006 | CN2809203Y Intelligent multifunctional plugging device |
| 08/23/2006 | CN2809202Y Gate plate hole device for oil and gas well |
| 08/23/2006 | CN2809201Y Spiral polish rod sealing device for pumping well |
| 08/23/2006 | CN2809196Y Tail pipe hanger |
| 08/22/2006 | US7093674 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 08/22/2006 | US7093664 One-time use composite tool formed of fibers and a biodegradable resin |
| 08/22/2006 | US7093662 System for drilling oil and gas wells using a concentric drill string to deliver a dual density mud |
| 08/22/2006 | US7093660 Well operations system |
| 08/22/2006 | US7093657 Earth loop installed with sonic apparatus |
| 08/22/2006 | US7093652 Plunger with multiple jackets |
| 08/22/2006 | US7093651 Water pressure system with pressure tank installed within well casing of well |
| 08/22/2006 | CA2438359C Downhole packer |
| 08/17/2006 | WO2006086592A1 One trip cemented expandable monobore liner system and method |
| 08/17/2006 | WO2006086591A1 One trip cemented expandable monobore liner system and method |
| 08/17/2006 | WO2006086590A1 One trip cemented expandable monobore liner system and method |
| 08/17/2006 | WO2006086589A1 One trip cemented expandable monobore liner system and method |
| 08/17/2006 | WO2006084597A1 A method and apparatus for consolidating a wellbore |
| 08/17/2006 | WO2005116395A3 Hydraulically set concentric packer with multiple umbilical bypass through the piston |
| 08/17/2006 | US20060180320 System and Method to Seal by Bringing the Wall of a Wellbore into Sealing Contact with a Tubing |
| 08/17/2006 | US20060180319 Packers and methods of use |
| 08/17/2006 | US20060180314 Co-linear tensioner and methods of installing and removing same |
| 08/17/2006 | US20060180312 Displacement annular swivel |
| 08/17/2006 | US20060180311 Methods of cementing with lightweight cement compositions |
| 08/17/2006 | US20060180303 Independent measuring and processing probe for preliminary studies on a well |
| 08/17/2006 | CA2762962A1 Methods of cementing with lightweight cement compositions |
| 08/16/2006 | EP1689970A1 Plug systems and methods for using plugs in subterranean formations |
| 08/16/2006 | CN2806754Y Polished rod mechanical sealing device for pumping unit |
| 08/16/2006 | CN2806750Y Flexile anchorage device for oil well |
| 08/16/2006 | CN1818325A Steam-propelling packer |
| 08/16/2006 | CN1818324A Compressed high-temperature packer with gas propelling |
| 08/16/2006 | CN1270048C Method and system for reducing longitudinal fluid flow around permeable well tube |
| 08/15/2006 | US7091160 Methods and compositions for reducing subterranean formation permeabilities |
| 08/15/2006 | US7090039 Assembly for drilling low pressure formation |
| 08/15/2006 | US7090036 System for drilling oil and gas wells by varying the density of drilling fluids to achieve near-balanced, underbalanced, or overbalanced drilling conditions |
| 08/15/2006 | US7090024 Tubing anchor |
| 08/15/2006 | US7090020 Multi-cycle dump valve |
| 08/15/2006 | US7090019 Casing cutter |
| 08/15/2006 | US7090004 Cement float |
| 08/15/2006 | CA2462183C Pump rod clamp and blowout preventer |
| 08/15/2006 | CA2434629C Shear ram assembly |
| 08/15/2006 | CA2433645C System and method for fail-safe disconnect from a subsea well |
| 08/14/2006 | CA2535940A1 Packers and methods of use |
| 08/11/2006 | CA2533679A1 Displacement annular swivel |
| 08/10/2006 | WO2006083717A2 Packer with positionable collar |
| 08/10/2006 | WO2006082407A1 Wellhead assembly and method |
| 08/10/2006 | WO2006082353A1 Ram automatic locking system for a blowout preventer |
| 08/10/2006 | US20060175065 Water shut off method and apparatus |
| 08/10/2006 | US20060175062 Undersea well product transport |
| 08/10/2006 | US20060175060 Servicing a wellbore with wellbore fluids comprising perlite |
| 08/10/2006 | US20060175056 Instrumented Packer |
| 08/10/2006 | US20060174805 Cementing with a hydraulic cement, an aqueous rubber latex and a rubber latex stabilizing surfactant comprising an iso-dodecyl alcohol ether sulfonate ethoxylated with 10 to 20 ethylene oxide units; high compressive, tensile and bond stregths; well bores |
| 08/10/2006 | US20060174804 adding to the cement a base fluid, a density-reducing additive comprising fly ash sparticles and agglomerating cement such as portland; pozzolana; gypsum cement; high alumina content cement; silica cement; high alkalinity cement; placing the cement to a location needs to be cemented, allowing to be set |
| 08/10/2006 | US20060174802 Low density fibre-reinforced cement composition |
| 08/10/2006 | DE102005002805A1 Hydrolytisch und hydrothermal beständige Konsolidierung oder Änderung des Benetzungsverhaltens von geologischen Formationen Hydrolytically and hydrothermally stable consolidation or change in the wetting behavior of geological formations |
| 08/09/2006 | EP1488074B1 Sealing method and apparatus |
| 08/09/2006 | CN2804375Y 自动防喷总成 Auto BOP assembly |
| 08/09/2006 | CN2804374Y Temp resistance and durable burr base |
| 08/09/2006 | CN1268713C Water glass high temperature blocking agent for oil production |
| 08/08/2006 | US7087554 Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations |
| 08/08/2006 | US7086484 Determination of thermal properties of a formation |
| 08/08/2006 | US7086481 Wellbore isolation apparatus, and method for tripping pipe during underbalanced drilling |
| 08/08/2006 | US7086480 Tubing anchor |
| 08/08/2006 | US7086479 Expanding well tools |
| 08/08/2006 | US7086475 Method of inserting a tubular member into a wellbore |
| 08/08/2006 | US7086474 Apparatus and method for handling a blowout preventer |
| 08/08/2006 | US7086467 Coiled tubing cutter |
| 08/08/2006 | US7086466 Use of substantially hydrated cement particulates in drilling and subterranean applications |
| 08/08/2006 | CA2367613C Dual diverter and orientation device for multilateral completions and method |
| 08/03/2006 | WO2006079659A1 Method of installing an expandable tubular in a wellbore |
| 08/03/2006 | WO2006065393A3 Tubular flotation with pressurized fluid |
| 08/03/2006 | WO2006040147A3 An injection apparatus for injecting an activated fluid into a well-bore and related injection method |
| 08/03/2006 | US20060169933 Blowout preventer and locking mechanism |
| 08/03/2006 | US20060169466 Packer with positionable collar |
| 08/03/2006 | US20060169465 Bi-directional fluid loss device |
| 08/03/2006 | US20060169463 Downhole tool with actuable barrier |
| 08/03/2006 | US20060169459 Method and Apparatus to Complete a Well Having Tubing Inserted Through a Valve |
| 08/03/2006 | US20060169455 Compositions and methods for plugging and sealing a subterranean formation |
| 08/03/2006 | US20060169452 Methods of directional drilling and forming kickoff plugs using self-degrading cement in subterranean well bores |
| 08/03/2006 | US20060169450 Degradable particulate generation and associated methods |
| 08/03/2006 | US20060169449 Self-degrading fibers and associated methods of use and manufacture |
| 08/03/2006 | DE102005002806A1 Hydrolytisch und hydrothermal beständige konsolidierte Proppants und Verfahren zu deren Herstellung Hydrolytically and hydrothermally stable consolidated proppants and their methods of manufacture |
| 08/02/2006 | EP1686236A1 System for drilling and completing multilateral wells |
| 08/02/2006 | EP1686234A1 Cementing compositions and application thereof to cementing oil wells or the like |
| 08/02/2006 | EP1585885A4 Actuator for well-head valve or other similar applications and system incorporating same |
| 08/02/2006 | EP1552105A4 Annular isolators for expandable tubulars in wellbores |
| 08/02/2006 | EP1042587B1 System for drilling and completing multilateral wells |
| 08/02/2006 | CN2802086Y Well cementation acoustic imaging log equipment |
| 08/02/2006 | CN2802075Y Anti-blowout rush installing emergency stop cock in drilling column |
| 08/02/2006 | CN2802074Y Multi-force actuation packer |
| 08/02/2006 | CN2802073Y Sliding sealing heat production packer |