| Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186) |
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| 01/12/2006 | US20060006657 Hydrocratic generator |
| 01/12/2006 | US20060006647 Hybrid threaded connection for expandable tubulars |
| 01/12/2006 | US20060006126 Conveyor apparatus |
| 01/12/2006 | US20060006004 Method for extracting coal bed methane with source fluid injection |
| 01/12/2006 | US20060005998 Pipe conveyed explosive with self contained actuation |
| 01/12/2006 | US20060005973 Coupling and sealing tubulars in a bore |
| 01/12/2006 | US20060005972 Method and system for production of gas and water from a coal seam using well bores with multiple branches during drilling and after drilling completion |
| 01/12/2006 | US20060005968 Temperature limited heaters with relatively constant current |
| 01/12/2006 | CA2572686A1 Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method |
| 01/12/2006 | CA2570058A1 Closed loop control system for controlling production of hydrocarbon fluid from an underground formation |
| 01/12/2006 | CA2570057A1 Screen for controlling inflow of solid particles in a wellbore |
| 01/12/2006 | CA2569789A1 Screen for controlling sand production in a wellbore |
| 01/11/2006 | EP1614898A1 Isolation container for a downhole electric pump |
| 01/11/2006 | EP1614854A1 Method and apparatus for deforming a metal workpiece while exerting ultrasonic oscillations |
| 01/11/2006 | EP1613410A1 Hydrocyclone for down-hole use |
| 01/11/2006 | EP1430200B1 Wellbore system for simultaneous drilling and production |
| 01/11/2006 | EP1383986B1 Well provided with flexible production tubing |
| 01/11/2006 | EP1350008B8 A sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve |
| 01/11/2006 | EP1350007B8 Device for an opening in an outer sleeve of a sleeve valve and a method for the assembly of a sleeve valve |
| 01/11/2006 | EP1276959B1 Method and system for treating a hydrocarbon containing formation |
| 01/11/2006 | EP1012443B1 Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 01/11/2006 | CN2751137Y Eccentric injector with rugby-shaped rod for injecting polymer |
| 01/11/2006 | CN2751133Y High temperature high pressure polish rod sealer |
| 01/11/2006 | CN1720386A Method and system for circulating fluid in a well system |
| 01/11/2006 | CN1720165A Riser installation vessel and method of using the same |
| 01/11/2006 | CN1719032A Steel wire cable type electro immersion permanent magnet linear reciprocating pump |
| 01/11/2006 | CN1718997A Well monitoring method using radio isotope |
| 01/11/2006 | CN1718994A Method of proceeding modulation design of oil field chemical oil driving equipment |
| 01/11/2006 | CN1236054C Bacterium for degrading petroleum and it use |
| 01/11/2006 | CN1236053C Bacterium for degrding petroleum and its use |
| 01/11/2006 | CN1236009C Compound acidifying liquid containing nitric acid and boratofluroic acid and its use method |
| 01/10/2006 | US6985831 System for acquiring data from facilities and method CIP |
| 01/10/2006 | US6984316 Device for creating at least one reaction zone in an aquifer |
| 01/10/2006 | US6984292 Water treatment process for thermal heavy oil recovery |
| 01/10/2006 | US6983852 Desanding apparatus and system |
| 01/10/2006 | US6983804 Method and system for gas-lifting well effluents |
| 01/10/2006 | US6983802 Methods and apparatus for enhancing production from a hydrocarbons-producing well |
| 01/10/2006 | US6983801 Well treatment fluid compositions and methods for their use |
| 01/10/2006 | US6983797 Lightweight high strength particles and methods of their use in wells |
| 01/10/2006 | US6983796 Method of providing hydraulic/fiber conduits adjacent bottom hole assemblies for multi-step completions |
| 01/10/2006 | US6983795 Downhole zone isolation system |
| 01/08/2006 | CA2473345A1 Apparatus and method for the prevention of polar ice mass depletion |
| 01/05/2006 | WO2006001974A2 Pressure monitoring of control lines for tool position feedback |
| 01/05/2006 | WO2006000742A1 System and method for monitoring and removing blockage in a downhole oil and gas recovery operation |
| 01/05/2006 | WO2006000663A1 Method for injecting acid compounds into an underground reservoir |
| 01/05/2006 | WO2005017354A3 Portable, surface-mounted well pump |
| 01/05/2006 | US20060003900 Methods and compositions for crosslinking polymers with boronic acids |
| 01/05/2006 | US20060003549 Assemblies including semiconductor substrates of reduced thickness and support structures therefor |
| 01/05/2006 | US20060003255 Methods for optimizing physical characteristics of selectively consolidatable materials |
| 01/05/2006 | US20060002808 Mechanically actuated gas separator for downhole pump |
| 01/05/2006 | US20060001139 Support structure for use in thinning semiconductor substrates and for supporting thinned semiconductor substrates |
| 01/05/2006 | US20060000620 Isolation tool |
| 01/05/2006 | US20060000617 Coupling and sealing tubulars in a bore |
| 01/05/2006 | US20060000616 Hydraulic downhole oil recovery system |
| 01/05/2006 | US20060000615 Infrastructure-independent deepwater oil field development concept |
| 01/05/2006 | US20060000614 Surface controlled subsurface lateral branch safety valve |
| 01/05/2006 | US20060000613 Casing conveyed well perforating apparatus and method |
| 01/05/2006 | US20060000610 Methods of fracturing sensitive formations |
| 01/05/2006 | US20060000609 Matrix acidizing high permeability contrast formations |
| 01/05/2006 | US20060000608 Separating constituents of a fluid mixture |
| 01/05/2006 | US20060000607 Wellbore completion design to naturally separate water and solids from oil and gas |
| 01/05/2006 | US20060000605 Apparatus and method |
| 01/05/2006 | US20060000599 Connecting mechanism |
| 01/05/2006 | US20060000357 Method and system for producing inert gas from combustion by-products |
| 01/05/2006 | US20060000212 Integrated process and gas treatment process |
| 01/04/2006 | EP1611508A1 Performance prediction method for hydrocarbon recovery processes |
| 01/04/2006 | EP1611314A1 A method and apparatus for treatment of water for an injection well |
| 01/04/2006 | EP1438483B1 System for lining a section of a wellbore |
| 01/04/2006 | EP1129272B1 Method and apparatus for remote control of a tubing exit sleeve |
| 01/04/2006 | EP0986692B1 Sub-sea pumping system and associated method |
| 01/04/2006 | EP0729543B1 Well tool |
| 01/04/2006 | CN2750076Y Electrically controlled energy saving device for pumping unit |
| 01/04/2006 | CN2750040Y Wrapped screen pipe for special oil and gas reservoirs |
| 01/04/2006 | CN2750039Y Wire rope hanging submersible electric screw pump oil extraction system |
| 01/04/2006 | CN1717532A Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation |
| 01/04/2006 | CN1717531A Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 01/04/2006 | CN1717530A Method of installing a tubular assembly in a wellbore |
| 01/04/2006 | CN1715612A Inner oil tube with heater of underwell oil pumping pipe |
| 01/04/2006 | CN1234960C Method for producing petroleum from underground rock containing coke sand rock deposit |
| 01/04/2006 | CN1234959C Electric and gas dual controlled safety cut-off device on high pressure oil and gas well wellhead |
| 01/04/2006 | CN1234958C Potential oil screw pump production system |
| 01/03/2006 | US6981553 Controlled downhole chemical injection |
| 01/03/2006 | US6981552 Well treatment fluid and methods with oxidized polysaccharide-based polymers |
| 01/03/2006 | US6981551 Cross-over tool return port cover |
| 01/03/2006 | US6981549 Hydraulic fracturing method |
| 01/03/2006 | US6981548 heating and pyrolysis of heavy hydrocarbon sections in subterranean wells to produce light hydrocarbons; reduced viscosity improves movement; fluid removal in liquid and/or vapor phase |
| 01/03/2006 | US6981547 Wire lock expandable connection |
| 01/03/2006 | CA2410267C Operation mode of an oil well pumping unit for well development and device for performing said operation mode |
| 01/03/2006 | CA2406663C Apparatus and methods for forming a lateral wellbore |
| 01/03/2006 | CA2392333C Tubing string rotator |
| 01/03/2006 | CA2248751C Bypass diverter box for drilling mud separation unit |
| 01/03/2006 | CA2119316C Control of particulate flowback in subterranean wells |
| 01/02/2006 | CA2510951A1 Reactive sealing compositions for sealing hydrocarbon containing subterranean formations and methods |
| 12/29/2005 | WO2005124101A2 Method and system for producing gas and liquid in a subterranean well |
| 12/29/2005 | WO2005124100A1 Well treatment |
| 12/29/2005 | WO2005124099A1 Well treatment |
| 12/29/2005 | WO2005124091A1 One trip well apparatus with sand control |
| 12/29/2005 | WO2005123871A2 Formation consolidation process |
| 12/29/2005 | WO2005053570A3 Expanded downhole screen systems and method |
| 12/29/2005 | US20050288190 Methods and compositions for reducing subterranean formation permeabilities |