| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) | 
|---|
| 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 |