Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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09/20/2006 | EP1446367B1 Method of hardening a fluid mass |
09/20/2006 | CN2818768Y Self-adjusting partilioned injection-production packer |
09/20/2006 | CN2818767Y Thermal-insulator at well opening |
09/19/2006 | US7108084 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
09/19/2006 | US7108080 Method and apparatus for drilling a borehole with a borehole liner |
09/19/2006 | US7108072 Lubrication and self-cleaning system for expansion mandrel |
09/19/2006 | US7108069 Online thermal and watercut management |
09/19/2006 | US7108068 Floating plate back pressure valve assembly |
09/19/2006 | US7108067 Method and apparatus for wellbore fluid treatment |
09/19/2006 | US7107875 Methods and apparatus for connecting tubulars while drilling |
09/19/2006 | CA2415637C Well management system |
09/19/2006 | CA2367559C Inflatable packer setting tool assembly |
09/19/2006 | CA2347269C Universal cementing plug |
09/19/2006 | CA2322884C A non-rotating sensor assembly for measurement-while-drilling |
09/19/2006 | CA2307972C Low pressure, high temperature composite bridge plug |
09/19/2006 | CA2296858C Cementing head |
09/19/2006 | CA2105184C Thermoviscosifying polymers, their synthesis and their uses in particular in the oil industry |
09/14/2006 | WO2006096069A1 An apparatus and a method for deployment of a well intervention tool string into a subsea well |
09/14/2006 | WO2006095160A1 Tree plug |
09/14/2006 | US20060201711 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
09/14/2006 | US20060201683 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
09/14/2006 | US20060201682 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
09/14/2006 | US20060201681 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
09/14/2006 | US20060201680 Method and device by a displacement tool |
09/14/2006 | US20060201679 Support member for subsea jumper installation, and methods of using same |
09/14/2006 | US20060201678 Pressure driven pumping system |
09/14/2006 | US20060201672 Methods for high temperature lightweight cementing |
09/14/2006 | CA2539511A1 Method and apparatus for cementing a well using concentric tubing or drill pipe |
09/13/2006 | EP1701000A1 A method and apparatus for consolidating a wellbore |
09/13/2006 | EP1700999A2 Tubular filling system |
09/13/2006 | EP1700000A1 Underbalanced well drilling and production |
09/13/2006 | CN2816346Y Cluster type well equi-potential energy self-balacing oil pumping unit |
09/13/2006 | CN2816345Y Oil-field well mouth double heat-insulation cover |
09/13/2006 | CN2816343Y Axial self-locking type packer |
09/13/2006 | CN2816342Y Cement-filling type packer |
09/13/2006 | CN2816341Y Pressure-relief type well-plugging device |
09/13/2006 | CN2816340Y Novel jacking proof anti-blowout plugging well device |
09/13/2006 | CN2816339Y Well controlled blowout-proof device |
09/13/2006 | CN2816328Y Thick-oil hot-production sleeve-pipe head |
09/13/2006 | CN2815625Y Polish rod sealer sealing member detaching device |
09/13/2006 | CN1831292A Cable transport cement ejecting device for sealing high-pressure oil-gas well |
09/13/2006 | CN1274941C Single mud blowout preventer for drilling well |
09/12/2006 | US7104332 Method and apparatus for creating a cemented lateral junction system |
09/12/2006 | US7104325 Introducing a brine preflush of cationic surfactant into a well bore, then a hardenable furan liquid resin mixture, a solvent, an organosilane coupling agent and an acid catalyst, flushing with brine, then allowing hardenable resin composition to cure |
09/12/2006 | US7104323 Spiral tubular tool and method |
09/12/2006 | US7104322 Open hole anchor and associated method |
09/12/2006 | US7104125 Internal riser inspection device and methods of using same |
09/12/2006 | CA2309516C Drill string diverter apparatus and method |
09/07/2006 | US20060196680 Casing packoff system |
09/07/2006 | US20060196679 Apparatus for radially expanding and plastically deforming a tubular member |
09/07/2006 | US20060196677 Multi-lock adapters for independent screwed wellheads and methods of using same |
09/07/2006 | US20060196673 Multi-purpose sleeve for tieback connector |
09/07/2006 | US20060196663 Continuous monobore liquid lining system |
09/06/2006 | EP1697614A1 Device of a test plug |
09/06/2006 | EP1412614B1 Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone |
09/06/2006 | CN2814036Y Sealing device capable of changing packing under pressed state |
09/06/2006 | CN2814035Y Self-balance rotary sealing device |
09/06/2006 | CN2813890Y Wellhead antifalling device |
09/06/2006 | CN2813882Y Polish rod releasing automatic antipollution device |
09/06/2006 | CN2813881Y Antitheft and antidismounting packing box |
09/06/2006 | CN2813880Y Polishingrod packing box |
09/06/2006 | CN2813879Y Air gun type well head connector |
09/06/2006 | CN1829852A System for sealing a space in a wellbore |
09/06/2006 | CN1829851A Removable seal carrier for blowout preventer bonnet assembly |
09/05/2006 | US7100710 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
09/05/2006 | US7100700 Downhole ball dropping apparatus |
09/05/2006 | US7100693 Process for pressure stimulating a well bore through a template |
09/05/2006 | CA2453729C Expandable sealing apparatus for wellbores |
09/05/2006 | CA2452798C Reinforced swelling elastomer seal element on expandable tubular |
09/05/2006 | CA2414449C Liner hanger with slip joint sealing members |
09/05/2006 | CA2276522C Drill string diverter apparatus and method |
09/02/2006 | CA2536446A1 The use of lamb waves in cement bond logging |
08/31/2006 | US20060192160 Linear hydraulic stepping actuator with fast close capabilities |
08/31/2006 | US20060191716 Well drilling and production using a surface blowout preventer |
08/31/2006 | US20060191684 Assembly for determining thermal properties of a formation while drilling or perforating |
08/31/2006 | US20060191679 Triple valve blow out preventer |
08/30/2006 | EP1694941A1 Device for removal and filtration of drilling fluid |
08/30/2006 | EP1694722A1 Polyamine salts as clay stabilizing agents |
08/30/2006 | CN2811554Y Snubbing device in underbalanced drilling |
08/30/2006 | CN2811553Y Rectangular wire-added packing set |
08/30/2006 | CN2811552Y Adjustable rotating oil extraction well head |
08/30/2006 | CN2811551Y Simple decentralized wellhead |
08/30/2006 | CN2811550Y Well blowout prevention sealing device |
08/29/2006 | US7097387 Engineered material buoyancy system and device |
08/29/2006 | US7096976 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
08/29/2006 | US7096975 Modular design for downhole ECD-management devices and related methods |
08/29/2006 | US7096960 Mounts for blowout preventer bonnets |
08/29/2006 | US7096956 Wellhead assembly with pressure actuated seal assembly and running tool |
08/29/2006 | US7096949 Wiper plug with packer |
08/29/2006 | US7096948 Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing |
08/29/2006 | US7096944 Well fluids and methods of use in subterranean formations |
08/29/2006 | US7096937 Flow completion system |
08/24/2006 | WO2006088379A1 Centralization and running tool and method |
08/24/2006 | WO2006088372A1 System and method for well intervention |
08/24/2006 | WO2006023218A3 Rotating pressure control head |
08/24/2006 | WO2006003389A3 Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations |
08/24/2006 | US20060186602 Improved seal |
08/24/2006 | US20060186601 Fluid seals |
08/24/2006 | US20060185906 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
08/24/2006 | US20060185846 Methods for forming a permeable and stable mass in a subterranean formation |