| 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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| 07/17/2013 | CN103206194A Offshore oil platform injecting and producing system |
| 07/17/2013 | CN103206193A Head sheave device for pumping unit |
| 07/17/2013 | CN102352725B Drilling jet type coal seam cutting system |
| 07/17/2013 | CN102203638B Computer-implemented systems and methods for use in modeling a geomechanical reservoir system |
| 07/17/2013 | CN101835957B Process for recovering heavy oil utilizing one or more membranes |
| 07/17/2013 | CN101757874B Viscoelastic surfactant fluids and related methods of use |
| 07/17/2013 | CN101493007B Natural gas separation and waste gas geological sequestration method based on mixed fluid self-separation |
| 07/17/2013 | CN101460699B A method and apparatus for patching a well by hydroforming a tubular metal patch, and a patch for this purpose |
| 07/17/2013 | CN101371005B Hydraulic fracturing method for stratum |
| 07/17/2013 | CN101107422B Methods for producing fluids from acidized and consolidated portions of subterranean formations |
| 07/17/2013 | CN101044293B Modular drill system requiring limited field assembly |
| 07/16/2013 | US8485263 Multi-sleeve plunger for plunger lift system |
| 07/16/2013 | US8485259 Structurally stand-alone FRAC liner system and method of use thereof |
| 07/16/2013 | US8485258 Use of autonomous (self-adjusting) valves in injectors in oil production |
| 07/16/2013 | US8485254 Method and apparatus for in situ extraction of bitumen or very heavy oil |
| 07/16/2013 | US8485252 In situ recovery from a hydrocarbon containing formation |
| 07/16/2013 | US8485251 Electromagnetic based system and method for enhancing subsurface recovery of fluid within a permeable formation |
| 07/16/2013 | US8485225 Flow control screen assembly having remotely disabled reverse flow control capability |
| 07/16/2013 | CA2801562A1 Variable flow resistance system with circulation inducing structure therein to variably resist flow in a subterranean well |
| 07/16/2013 | CA2764539A1 Method for creating a 3d model of a hydrocarbon reservoir, and method for comparative testing of hydrocarbon recovery techniques |
| 07/16/2013 | CA2645948C High velocity string for well pump and method for producing well fluid |
| 07/11/2013 | WO2013103789A2 Gravel pack inner string hydraulic locating device |
| 07/11/2013 | WO2013103787A2 Gravel pack bypass assembly |
| 07/11/2013 | WO2013103785A2 One trip toe-to-heel gravel pack and liner cementing assembly |
| 07/11/2013 | WO2013103518A1 Enhanced heavy oil recovery using downhole bitumen upgrading with steam assisted gravity drainage |
| 07/11/2013 | WO2013102501A1 Apparatus and method for oil sand exploitation |
| 07/11/2013 | WO2013074346A4 Downhole tools including anomalous strengthening materials and related methods |
| 07/11/2013 | WO2013070410A3 High efficiency impeller |
| 07/11/2013 | WO2013055851A3 Hydraulic fracturing with proppant pulsing through clustered abrasive perforations |
| 07/11/2013 | WO2013039771A3 Systems and methods for reservoir production management |
| 07/11/2013 | WO2013019866A3 Use of environmentally friendly solvents to replace glycol-based solvents |
| 07/11/2013 | WO2013003109A3 Electromagnetically heated thermal flowmeter for wellbore fluids |
| 07/11/2013 | WO2012143807A3 Downhole assembly with magnetic gearbox |
| 07/11/2013 | WO2012072981A3 Fracture characterisation |
| 07/11/2013 | US20130175046 Nanoparticle Kinetic Gas Hydrate Inhibitors |
| 07/11/2013 | US20130175039 Adjustable fracturing system |
| 07/11/2013 | US20130175038 Integral fracturing manifold |
| 07/11/2013 | US20130175037 Method of controlling reservoir particles using electrolytic composite materials |
| 07/11/2013 | US20130175036 Methods and Apparatus for Downhole Extraction and Analysis of Heavy Oil |
| 07/11/2013 | US20130175035 Downhole tools |
| 07/11/2013 | US20130175033 Treatment system for multiple zones |
| 07/11/2013 | US20130175032 Method of Enhancing Fracture Conductivity |
| 07/11/2013 | US20130175031 Sagdox geometry |
| 07/11/2013 | US20130175030 Submersible Pump Control |
| 07/11/2013 | US20130175029 Method of forming subterranean barriers with molten wax |
| 07/11/2013 | US20130175026 Nanocomposites for absorption tunable sandscreens |
| 07/11/2013 | US20130175025 Integrated opening subsystem for well closure system |
| 07/11/2013 | CA2857587A1 Apparatus and method for oil sand exploitation |
| 07/11/2013 | CA2764302A1 Fluid or slurry pulsing casing/liner shoe |
| 07/10/2013 | EP2612983A1 Apparatus and method for oil sand exploitation |
| 07/10/2013 | EP2612034A1 System and method for multiphase pump lubrication |
| 07/10/2013 | CN203052626U Thickened oil thermal recovery steam-injection boiler |
| 07/10/2013 | CN203052624U Thick oil thermal recovery steam filling boiler |
| 07/10/2013 | CN203051618U Weight box structure used for oil pumping unit |
| 07/10/2013 | CN203051583U Brake locking device of beam-pumping unit |
| 07/10/2013 | CN203051089U Oil field water injection particle profile control agent injection pump valve |
| 07/10/2013 | CN203050688U Water dispersion injection device for rock core gas injection displacement experiment |
| 07/10/2013 | CN203050681U Fracture monitoring device |
| 07/10/2013 | CN203050671U Water current metering device in coalbed methane discharge and recovery |
| 07/10/2013 | CN203050667U Filter device for sewage exploited from water injection well in oilfield development |
| 07/10/2013 | CN203050666U Underground oil and water separating system |
| 07/10/2013 | CN203050665U Scattered article deflagrating and fracturing device |
| 07/10/2013 | CN203050664U Two-phase flow gas dynamic impact plug removal technical tubular column |
| 07/10/2013 | CN203050663U Sliding sleeve for multilayer section fracture |
| 07/10/2013 | CN203050662U Hydraulic sliding sleeve switch |
| 07/10/2013 | CN203050661U Production well shaft combined type gravity heat pipe |
| 07/10/2013 | CN203050660U Pipe column capable of improving heat utilization efficiency of steam assisted gravity drainage production well |
| 07/10/2013 | CN203050659U Viscosity reducer vortex blending machine |
| 07/10/2013 | CN203050658U Intelligent agent filling system |
| 07/10/2013 | CN203050657U Horizontal well infinite stage even acidification tubular column |
| 07/10/2013 | CN203050656U Water distributor |
| 07/10/2013 | CN203050655U Directional ball seat |
| 07/10/2013 | CN203050654U Ground mixing system for underground liquid hydrocarbon injection |
| 07/10/2013 | CN203050653U Two-channel oil extraction pipe column |
| 07/10/2013 | CN203050652U Underground electric control stepless flow control valve |
| 07/10/2013 | CN203050651U Bubble breaker |
| 07/10/2013 | CN203050650U Tension stick type pressure detonating device |
| 07/10/2013 | CN203050649U Middle connector of horizontal well perforating guns |
| 07/10/2013 | CN203050648U Perforator used for determining firing angle and direction |
| 07/10/2013 | CN203050647U Rotational flow type sand prevention anchor |
| 07/10/2013 | CN203050646U Sand prevention device |
| 07/10/2013 | CN203050645U Beam-pumping unit |
| 07/10/2013 | CN203050644U Double-balance hydraulic oil pumping device |
| 07/10/2013 | CN203050643U Energy-saving type balance type walking beam oil pumping machine |
| 07/10/2013 | CN203050642U Energy-saving type tower type oil pumping machine |
| 07/10/2013 | CN203050641U Drivepipe gas automatic recovery device |
| 07/10/2013 | CN203050640U Novel mechanical oil extraction system |
| 07/10/2013 | CN203050639U Double-channel anti-eccentric-wear oil pumping system |
| 07/10/2013 | CN203050638U Elastic-band balancing low-type oil pumping unit |
| 07/10/2013 | CN203050637U Horse head overturn-preventing device of pumping unit |
| 07/10/2013 | CN203050636U Fishing oil power device |
| 07/10/2013 | CN203050635U Above-ground suspension-type automatic pumping and liquid draining pumping system for testing oil in exploration well |
| 07/10/2013 | CN203050626U Novel closable fracture sliding sleeve assembly |
| 07/10/2013 | CN203050621U Switchable pitching drive crushing sliding sleeve |
| 07/10/2013 | CN203050619U Intelligent high-pressure adjusting valve of wellhead |
| 07/10/2013 | CN203050617U Intelligent underground dropping and fishing valve device |
| 07/10/2013 | CN203050556U Shock wave reducing device for oil-gas well perforation tubular column |
| 07/10/2013 | CN203050535U Double-pipe hollow sucker rod |
| 07/10/2013 | CN103201452A Remote pig launcher |
| 07/10/2013 | CN103195914A Long-stroke mechanical reversing speed reducer |