| 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) |
|---|
| 06/07/2012 | US20120138294 Interpolymer crosslinked gel and method of using |
| 06/07/2012 | US20120138293 Viscous Oil Recovery Using A Fluctuating Electric Power Source and A Fired Heater |
| 06/07/2012 | US20120138292 Gas Generator For Pressurizing Downhole Samples |
| 06/07/2012 | US20120138290 Methods to stimulate biogenic methane production from hydrocarbon-bearing formations |
| 06/07/2012 | US20120138287 Method of manufacturing a well screen |
| 06/07/2012 | US20120138286 Perforating safety system and assembly |
| 06/07/2012 | CA2819091A1 Fracture characterisation |
| 06/07/2012 | CA2818991A1 Method for enhanced oil recovery from carbonate reservoirs |
| 06/07/2012 | CA2818899A1 Interpolymer crosslinked gel and method of using |
| 06/07/2012 | CA2818048A1 Production tubing and pump driver control lines combination for suspending progressive cavity pump and pump driver in a production assembly |
| 06/06/2012 | EP2460975A2 Device and method for formation stimulation. |
| 06/06/2012 | EP2460972A1 Method and system for radially expanding a tubular element |
| 06/06/2012 | EP2459845A2 Methods and apparatus for multilateral multistage stimulation of a well |
| 06/06/2012 | EP2459844A1 Well drilling methods with event detection |
| 06/06/2012 | EP2459296A1 Flow control filter |
| 06/06/2012 | EP1242714B1 Tools and methods for use with expandable tubulars |
| 06/06/2012 | EP1200706B1 System and method for real time reservoir management |
| 06/06/2012 | CN202266251U Spring type sliding sleeve opening tool |
| 06/06/2012 | CN202266250U A ball cage assembly structure of an intelligent sliding sleeve opening tool |
| 06/06/2012 | CN202266249U 支撑剂导流装置 Proppant deflector |
| 06/06/2012 | CN202266248U Hydraulic buffer pressing device for oil reservoir physical simulation planer model |
| 06/06/2012 | CN202266247U Mechanical switch sliding sleeve |
| 06/06/2012 | CN202266246U 油气井高压缓冲放喷装置 High pressure buffer gas well blowout device |
| 06/06/2012 | CN202266245U Uncased-hole anchoring tool |
| 06/06/2012 | CN202266244U 多元油井筛管 Multiple wellscreen |
| 06/06/2012 | CN202266243U 抽油机用轨道式平衡块移动装置 Pumping balance blocks using a track mobile devices |
| 06/06/2012 | CN202266242U Gas well pumping and raining device |
| 06/06/2012 | CN202266241U 增液助抽器 Assisted by liquid pumping device |
| 06/06/2012 | CN202266239U 热采井口专用单流阀 Special single thermal recovery wellhead valve |
| 06/06/2012 | CN102486086A Method and device for improving butting reliability of underground flow measuring and adjusting instrument |
| 06/06/2012 | CN102486085A Gasifying agent transmission and distribution system and technology for underground gasification of carbon-containing organic matters |
| 06/06/2012 | CN102486084A System for developing natural gas by gasifying deep coal |
| 06/06/2012 | CN101672174B Energy-saving uninterrupted non-rod oil pumping device |
| 06/06/2012 | CN101443268B A process for the manufacture of carbon disulphide |
| 06/05/2012 | US8193128 Treatment of particles for improved performance as proppants |
| 06/05/2012 | US8193127 Low residue fluid fracturing system and method of use |
| 06/05/2012 | US8193126 Method for enhanced recovery of oil from oil reservoirs |
| 06/05/2012 | US8191634 Magnetic flapper shock absorber |
| 06/05/2012 | US8191632 Method of treating a subterranean formation using a rheology model for fluid optimization |
| 06/05/2012 | US8191631 Method of fracturing and gravel packing with multi movement wash pipe valve |
| 06/05/2012 | US8191630 Creating fluid injectivity in tar sands formations |
| 06/05/2012 | US8191624 Bypass gas lift system for producing a well |
| 06/05/2012 | US8191619 Downhole system and an immersion hydraulic machine for extraction of fluids |
| 06/05/2012 | CA2642272C Cross-linking composition and method of use |
| 06/05/2012 | CA2618934C Gas anchor and solids separator assembly for use with sucker rod pump |
| 06/05/2012 | CA2511701C Conveyor apparatus |
| 06/05/2012 | CA2480863C Recovering materials |
| 06/03/2012 | CA2760533A1 Method for building a flow pattern associated with capillary pressure curves and/or relative permeability curves |
| 06/03/2012 | CA2757127A1 Viscous oil recovery using a fluctuating electric power source and a fired heater |
| 06/02/2012 | CA2761153A1 Device and method for well stimulation |
| 06/02/2012 | CA2759739A1 Prioritizing well drilling propositions |
| 05/31/2012 | WO2012071232A2 Flow back recovery system |
| 05/31/2012 | WO2012071208A2 Entry guide formation on a well liner hanger |
| 05/31/2012 | WO2012071156A1 Enhanced oil recovery in low permeability reservoirs |
| 05/31/2012 | WO2012069634A1 Downhole punch component |
| 05/31/2012 | WO2012068672A1 Method and apparatus for setting a wellbore packer |
| 05/31/2012 | WO2012021810A3 Storing carbon dioxide and producing methane and geothermal energy from deep saline aquifers |
| 05/31/2012 | WO2011026232A8 Well service compositions and methods |
| 05/31/2012 | US20120132443 Process for the removal of carbon dioxide and/or hydrogen sulphide from a gas |
| 05/31/2012 | US20120132437 Plunger Lift Systems and Methods |
| 05/31/2012 | US20120132435 Downhole Intervention |
| 05/31/2012 | US20120132432 Gas Handler, Riser Assembly, and Method |
| 05/31/2012 | US20120132431 Emergency Disconnect Sequence Video Capture and Playback |
| 05/31/2012 | US20120132430 Emergency Disconnect Sequence Timer Display and Method |
| 05/31/2012 | US20120132427 Pressure Relieving Transition Joint |
| 05/31/2012 | US20120132426 Formation treatment system and method |
| 05/31/2012 | US20120132425 System and method of controlling fluid temperature for improving injectivity of supercritical carbon dioxide into stratum |
| 05/31/2012 | US20120132423 Compositions and Methods for Treatment of Well Bore Tar |
| 05/31/2012 | US20120132422 Interpolymer crosslinked gel and method of using |
| 05/31/2012 | US20120132420 Process for mineral oil production using hydrophobically associating copolymers |
| 05/31/2012 | US20120132419 Modular Pumpouts and Flowline Architecture |
| 05/31/2012 | US20120132416 Method, system and apparatus for synergistically raising the potency of enhanced oil recovery applications |
| 05/31/2012 | US20120132414 Automatic Bypass for ESP Pump Suction Deployed in a PBR in Tubing |
| 05/31/2012 | DE102010052657A1 Duales Dreh- und Axiallastaufnahmeelement Dual rotating and Axiallastaufnahmeelement |
| 05/31/2012 | DE102010049224B4 Einrichtung zum Auffangen und Ableiten von aus einem Gewässergrund austretenden Flüssigkeiten und/oder Gasen Means for collecting and discharging from emerging from a body of water base liquids and / or gases |
| 05/31/2012 | CA2818603A1 Enhanced oil recovery in low permeability reservoirs |
| 05/31/2012 | CA2817792A1 Process for mineral oil production using hydrophobically associating copolymers |
| 05/31/2012 | CA2815558A1 Entry guide formation on a well liner hanger |
| 05/31/2012 | CA2813820A1 Method and apparatus for setting a wellbore packer |
| 05/30/2012 | EP2458144A1 Flow control screen tube for use in oil recovery process |
| 05/30/2012 | EP2456952A2 Method for inducing fracture complexity in hydraulically fractured horizontal well completions |
| 05/30/2012 | EP2456951A1 Method for integrated enhanced oil recovery from heterogeneous reservoirs |
| 05/30/2012 | EP2456950A2 Wellbore subassembly with a perforating gun |
| 05/30/2012 | EP2456949A2 System and method for anchoring an expandable tubular to a borehole wall |
| 05/30/2012 | EP2456948A2 Wired conduit segment and method of making same |
| 05/30/2012 | EP2456531A1 Separation apparatus for tubular flow-through apparatuses |
| 05/30/2012 | CN202260828U Stroke-frequency changing device of beam-pumping unit |
| 05/30/2012 | CN202257162U Oil pumping unit running wireless monitoring device |
| 05/30/2012 | CN202257144U Intelligent oil pumping device energy saving controller |
| 05/30/2012 | CN202252781U Protection device for belt of oil pumping unit |
| 05/30/2012 | CN202251583U Adjustable locked brake of oil pumping unit |
| 05/30/2012 | CN202251564U Oil pumping unit brake fixed clamp |
| 05/30/2012 | CN202251151U Energy accumulator for oil pumping unit |
| 05/30/2012 | CN202250161U Hole sealing device for CO2 gas extraction device |
| 05/30/2012 | CN202250065U Unpowered oil well wellhead separation sampler |
| 05/30/2012 | CN202250025U Spiral gas anchor |
| 05/30/2012 | CN202250024U Axial force self-balancing type booster device |
| 05/30/2012 | CN202250023U Device for simply removing sand from well mouth of gas well |
| 05/30/2012 | CN202250022U Oil-gas separated metering system |
| 05/30/2012 | CN202250021U Novel oil-gas separator |