| 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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| 04/23/2009 | WO2009052043A1 In situ oxidation of subsurface formations |
| 04/23/2009 | WO2009051936A2 Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation |
| 04/23/2009 | WO2009051881A1 Fluid control apparatus and methods for production and injection wells |
| 04/23/2009 | WO2009051834A2 System, method and apparatus for creating an electric glow discharge |
| 04/23/2009 | WO2009051521A1 Thermal protection device for a submersible electric motor |
| 04/23/2009 | WO2009051490A1 Casing device |
| 04/23/2009 | WO2009050518A2 Method and device |
| 04/23/2009 | WO2009050367A2 Horizontal liquid/gas separation device and separation method, intended in particular for the liquid and gas phases of crude oil |
| 04/23/2009 | WO2009026044A3 Enhanced cooling for downhole motors |
| 04/23/2009 | WO2009026043A3 Smart motor controller for an electrical submersible pump |
| 04/23/2009 | WO2009020827A3 Method for altering the stress state of a formation and/or a tubular |
| 04/23/2009 | WO2009009333A3 Treating subterranean zones |
| 04/23/2009 | WO2007040737A3 Wellbore apparatus and method for completion, production and injection |
| 04/23/2009 | US20090101363 Flexible Liner for Drilled Drainhole Deployment |
| 04/23/2009 | US20090101356 Device and system for well completion and control and method for completing and controlling a well |
| 04/23/2009 | US20090101355 Water Sensing Adaptable In-Flow Control Device and Method of Use |
| 04/23/2009 | US20090101351 Universal marine diverter converter |
| 04/23/2009 | US20090101349 Device and system for well completion and control and method for completing and controlling a well |
| 04/23/2009 | US20090101347 Thermal recovery of shallow bitumen through increased permeability inclusions |
| 04/23/2009 | US20090101346 In situ recovery from a hydrocarbon containing formation |
| 04/23/2009 | US20090101343 High rate gravel packing |
| 04/23/2009 | US20090101342 Permeable Medium Flow Control Devices for Use in Hydrocarbon Production |
| 04/23/2009 | US20090101336 Device and system for well completion and control and method for completing and controlling a well |
| 04/23/2009 | US20090101335 Device and system for well completion and control and method for completing and controlling a well |
| 04/23/2009 | CA2706598A1 System, method and apparatus for creating an electric glow discharge |
| 04/23/2009 | CA2702495A1 Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation |
| 04/23/2009 | CA2701883A1 Water sensing adaptable in-flow control device and method of use |
| 04/23/2009 | CA2701849A1 Casing device |
| 04/23/2009 | CA2701801A1 Permeable medium flow control devices for use in hydrocarbon production |
| 04/23/2009 | CA2701700A1 Multilayered ball sealer and method of use thereof |
| 04/23/2009 | CA2701326A1 Water sensing devices and methods utilizing same to control flow of subsurface fluids |
| 04/23/2009 | CA2700998A1 Irregular spacing of heat sources for treating hydrocarbon containing formations |
| 04/23/2009 | CA2700737A1 Three-phase heaters with common overburden sections for heating subsurface formations |
| 04/23/2009 | CA2700731A1 Fluid control apparatus and methods for production and injection wells |
| 04/23/2009 | CA2699578A1 Method of and apparatus for completing a well |
| 04/23/2009 | CA2698564A1 In situ oxidation of subsurface formations |
| 04/23/2009 | CA2697426A1 Method and device |
| 04/22/2009 | EP2050809A1 Process for obtaining hydrocarbons from a subterranean bed of oil shale or of bituminous sand |
| 04/22/2009 | EP2049767A1 Methods for producing oil and/or gas |
| 04/22/2009 | EP2049766A1 Method for flow control and autonomous valve or flow control device |
| 04/22/2009 | EP2049760A2 Articulated extraction pipe |
| 04/22/2009 | CN201226175Y Automatic alarm for fault |
| 04/22/2009 | CN201225387Y Stroke frequency regulating apparatus of oil pumping machine |
| 04/22/2009 | CN201225263Y Water-based non-rod oil pumping device |
| 04/22/2009 | CN201225143Y On-line injection cut and drive-adjustable apparatus |
| 04/22/2009 | CN201225142Y Adjustable allocation machine for oil well |
| 04/22/2009 | CN201225141Y Oil conduit transportation gun perforation interlayer supercharging device |
| 04/22/2009 | CN201225140Y Ultra-deep penetration perforating bullet |
| 04/22/2009 | CN201225139Y Oil conduit transportation perforation press control detonator |
| 04/22/2009 | CN201225138Y Oil conduit transportation perforation press control on-off machine |
| 04/22/2009 | CN201225137Y Metal ring slit sand-proof screen pipe |
| 04/22/2009 | CN201225136Y Vertical beam steel belt type long stroke pumping unit |
| 04/22/2009 | CN201225135Y Oil pumping machine mule head with polish rod anti-collision device |
| 04/22/2009 | CN201225134Y Oil extraction apparatus of horizontal oil well |
| 04/22/2009 | CN201225129Y Oil gas well selective well completion switch tool |
| 04/22/2009 | CN201225124Y Sound wave gas injection single flow valve assembly |
| 04/22/2009 | CN201225122Y Horizontal well integral adjustable layer subsection water-shutoff tool string |
| 04/22/2009 | CN201225121Y Oil gas well selective completion tool |
| 04/22/2009 | CN101415905A Method for optimising the production of a cluster of wells |
| 04/22/2009 | CN101413835A Apparatus for testing load and acceleration |
| 04/22/2009 | CN101413387A Tower rack type combined transmission oil pumping machine |
| 04/22/2009 | CN101413386A Non-gear counterweight drawing type oil pumping machine provided with motor at lower |
| 04/22/2009 | CN101412980A Spindle bacillus and use thereof |
| 04/22/2009 | CN101412979A Bacillus licheniformis and use thereof |
| 04/22/2009 | CN101411951A Water-oil separating system and method using centrifugation, gravitation, expansion composite principle |
| 04/21/2009 | US7521400 foamed gelled diesel or paraffin oil, made with a gelling agent, e.g. triethyl phosphate, triisopropionic acid aluminum salt, and a gel-enhancing zwitterionic surfactant (erucic amidopropyl dimethyl betaine); sodium acetate breaker; in hydraulic fracturing, frac packing, gravel packing, diversion |
| 04/21/2009 | US7520989 Subsea separation apparatus for treating crude oil comprising a separator module with a separator tank |
| 04/21/2009 | US7520335 Cased hole perforating alternative |
| 04/21/2009 | US7520333 Hydraulic sleeve valve with position indication, alignment, and bypass |
| 04/21/2009 | US7520328 Completion apparatus and methods for use in hydrocarbon wells |
| 04/21/2009 | US7520327 Methods and materials for subterranean fluid forming barriers in materials surrounding wells |
| 04/21/2009 | US7520326 Method and apparatus for performing down hole sand and gravel fracture packing operations |
| 04/21/2009 | US7520325 Enhanced hydrocarbon recovery by in situ combustion of oil sand formations |
| 04/21/2009 | US7520323 Interactive and/or secure activation of a tool |
| 04/21/2009 | CA2523039C Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 04/21/2009 | CA2455720C Above the motor bellows expansion member for a submersible pump |
| 04/16/2009 | WO2009049006A2 Pipe connection system |
| 04/16/2009 | WO2009048935A2 Method, apparatus, and magnet for magnetically treating fluids |
| 04/16/2009 | WO2009048846A1 Multi-zone gravel pack system with pipe coupling and integrated valve |
| 04/16/2009 | WO2009048823A2 A method and apparatus for determining a parameter at an inflow control device in a well |
| 04/16/2009 | WO2009048822A2 Flow restriction device |
| 04/16/2009 | WO2009048821A2 Downhole optical communication system and method |
| 04/16/2009 | WO2009048319A2 Installing an expandable tubular in a subsea wellbore |
| 04/16/2009 | WO2009047521A2 Pumping module and system |
| 04/16/2009 | WO2009023611A3 Multi-position valve for fracturing and sand control and associated completion methods |
| 04/16/2009 | WO2009001073A3 Downhole apparatus |
| 04/16/2009 | WO2009000396A3 Method and apparatus to cement a perforated casing |
| 04/16/2009 | US20090097994 Cranked Rod Pump Apparatus And Method |
| 04/16/2009 | US20090097358 Seismic Monitoring Of Heavy Oil |
| 04/16/2009 | US20090095533 Self-contained system for drilling a drainhole |
| 04/16/2009 | US20090095487 Flow restriction device |
| 04/16/2009 | US20090095483 Installation for enhanced oil recovery using water-soluble polymers, method implementing same |
| 04/16/2009 | US20090095482 Method and System for Centralized Well Treatment |
| 04/16/2009 | US20090095481 Installation for enhanced oil recovery using water soluble polymers, method for implementing same |
| 04/16/2009 | US20090095480 In situ heat treatment of a tar sands formation after drive process treatment |
| 04/16/2009 | US20090095479 Production from multiple zones of a tar sands formation |
| 04/16/2009 | US20090095478 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities |
| 04/16/2009 | US20090095477 Heating systems for heating subsurface formations |
| 04/16/2009 | US20090095476 Molten salt as a heat transfer fluid for heating a subsurface formation |
| 04/16/2009 | US20090095475 Cement Compositions Comprising a High-Density Particulate Elastomer and Associated Methods |