| 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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| 06/28/2011 | CA2644051C Methods and compositions relating to the reduction of volatile phosphorus from crude |
| 06/28/2011 | CA2629112C System and method for isolating and controlling flow in a well |
| 06/28/2011 | CA2501400C Device for installation of a profile liner in a well |
| 06/23/2011 | WO2011075750A1 Formation conditioning fluids comprising peroxides and methods relating thereto |
| 06/23/2011 | WO2011075653A1 Fracture fluid compositions comprising a mixture of mono and divalent cations and their methods of use in hydraulic fracturing of subterranean formations |
| 06/23/2011 | WO2011075538A1 System and methods for removing fluids from a subterranean well |
| 06/23/2011 | WO2011075268A1 Enhanced convection for in situ pyrolysis of organic-rich rock formations |
| 06/23/2011 | WO2011075242A2 Kinetic gas hydrate inhibitors in completion fluids |
| 06/23/2011 | WO2011075196A1 Biogenic fuel gas generation in geologic hydrocarbon deposits |
| 06/23/2011 | WO2011075184A1 Methods of fracturing a well using venturi section |
| 06/23/2011 | WO2011074981A1 Method and device for closing a well |
| 06/23/2011 | WO2011074972A1 System for driving elongated electric machines |
| 06/23/2011 | WO2011073952A2 Method for extracting hydrocarbons |
| 06/23/2011 | WO2011073747A2 Delivery of nanodispersions below ground |
| 06/23/2011 | WO2011073204A1 Inhibiting liquid loading, corrosion and/or scaling in oilfield tubulars |
| 06/23/2011 | WO2011073203A1 Separating multiphase effluents of an underwater well |
| 06/23/2011 | WO2011072963A1 Converting an underwater methane hydrate containing deposit into a marketable product |
| 06/23/2011 | WO2011072367A1 Downhole sub with hydraulically actuable sleeve valve |
| 06/23/2011 | WO2011037950A3 Wellbore flow control devices using filter media containing particulate additives in a foam material |
| 06/23/2011 | WO2011037914A3 Inflow control device and methods for using same |
| 06/23/2011 | WO2011037832A3 Foamers for downhole injection |
| 06/23/2011 | WO2011008639A4 Subterranean valve operated by string relative movement |
| 06/23/2011 | US20110147012 Downhole Apparatus with a Swellable Support Structure |
| 06/23/2011 | US20110147005 Method of running a down hole rotary pump |
| 06/23/2011 | US20110147004 Method To Adapt A Template Dataset To A Target Dataset By Using Curvelet Representations |
| 06/23/2011 | US20110146997 Formation Conditioning Fluids Comprising Peroxides and Methods Relating Thereto |
| 06/23/2011 | US20110146996 Method of fracturing subterranean formations with crosslinked fluid |
| 06/23/2011 | US20110146995 Methods of fracturing a well using venturi section |
| 06/23/2011 | US20110146994 Methods of Fracturing An Openhole Well Using Venturi Section |
| 06/23/2011 | US20110146993 System and method for waterflooding offshore reservoirs |
| 06/23/2011 | US20110146992 Controllable Chemical Injection For Multiple Zone Completions |
| 06/23/2011 | US20110146991 Integrated Hydrogen Production and Hydrocarbon Extraction |
| 06/23/2011 | US20110146989 Apparatus and method for abrasive jet perforating and cutting of tubular members |
| 06/23/2011 | US20110146988 Apparatus and Method for Separating a Downhole Tubular String into Two Parts |
| 06/23/2011 | US20110146985 Proppant Having A Glass-Ceramic Material |
| 06/23/2011 | US20110146984 Constant pressure open hole water packing system |
| 06/23/2011 | US20110146983 Method of carrying out a wllbore operation |
| 06/23/2011 | US20110146982 Enhanced Convection For In Situ Pyrolysis of Organic-Rich Rock Formations |
| 06/23/2011 | US20110146981 Method and Device for the "In-Situ" Conveying of Bitumen or Very Heavy Oil |
| 06/23/2011 | US20110146980 Methods of use of a salt solution of monovalent and divalent cations in hydraulic fracturing |
| 06/23/2011 | US20110146979 Integrated enhanced oil recovery process |
| 06/23/2011 | US20110146978 Integrated enhanced oil recovery process |
| 06/23/2011 | US20110146977 Two-stage downhole oil-water separation |
| 06/23/2011 | US20110146976 Downhole multi-parallel hydrocyclone separator |
| 06/23/2011 | US20110146975 Wireline-Adjustable Downhole Flow Control Devices and Methods for Using Same |
| 06/23/2011 | US20110146974 Delivery of nanodispersions below ground |
| 06/23/2011 | US20110146973 Biotechnological process for hydrocarbon recovery in low permeability porous media |
| 06/23/2011 | US20110146968 Installation for the in Situ Extraction of a Substance Containing Carbon |
| 06/23/2011 | CA2784427A1 Method for extracting hydrocarbons |
| 06/23/2011 | CA2783352A1 Biogenic fuel gas generation in geologic hydrocarbon deposits |
| 06/23/2011 | CA2782602A1 Formation conditioning fluids comprising peroxide and conditioning agent and methods relating thereto |
| 06/23/2011 | CA2782566A1 Inhibiting liquid loading, corrosion and/or scaling in oilfield tubulars |
| 06/23/2011 | CA2776560A1 Downhole sub with hydraulically actuable sleeve valve |
| 06/23/2011 | CA2725348A1 Two-stage downhole oil-water separation |
| 06/22/2011 | EP2336486A2 Pumping module and system |
| 06/22/2011 | EP2336485A2 Continuous slow dissolving chemical treatment for oil and gas wells |
| 06/22/2011 | EP2334902A1 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 06/22/2011 | EP2334901A1 Systems and methods for treating a subsurface formation with electrical conductors |
| 06/22/2011 | EP2334900A1 Circulated heated transfer fluid systems used to treat a subsurface formation |
| 06/22/2011 | EP2334899A2 Shape memory polyurethane foam for downhole sand control filtration devices |
| 06/22/2011 | EP2334898A2 Process for generating hydrogen |
| 06/22/2011 | EP2334893A2 Polymer gels as flow improvers in water injection systems |
| 06/22/2011 | EP2334753A1 Prevention of water intrusion into particulates |
| 06/22/2011 | EP2334752A2 Geochemical control of fracturing fluids |
| 06/22/2011 | EP1678435B1 Guide tube for a flexible duct for transporting hydrocarbons |
| 06/22/2011 | EP1364107B1 Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block |
| 06/22/2011 | CN201874560U Heat insulation box for pressure gauge of steam injection oil well |
| 06/22/2011 | CN201874555U Receiving and releasing device for regulating arm of flow measuring and regulating instrument |
| 06/22/2011 | CN201874549U Liquid-level measuring device for oil-gas separator |
| 06/22/2011 | CN201874548U Core successive elutriator and equipment comprising same |
| 06/22/2011 | CN201874547U Preparation device for dissolution cavity model of rock salt gas storage |
| 06/22/2011 | CN201874546U Oil well in-progress feeding device |
| 06/22/2011 | CN201874545U Multifunctional portable box for maintaining and debugging fracturing instrument |
| 06/22/2011 | CN201874544U Steam resistance control device in process of steam auxiliary gravity drainage (SAGD) |
| 06/22/2011 | CN201874543U Underground boosting water injection process pipe string |
| 06/22/2011 | CN201874542U Roller gun breech for perforation |
| 06/22/2011 | CN201874541U Energy-saving device for oil-pumping machine |
| 06/22/2011 | CN201874540U Oil production tubing string |
| 06/22/2011 | CN201874539U Belt replacing mechanism |
| 06/22/2011 | CN201874538U Double-well linked hydraulic-assisted oil-pumping machine |
| 06/22/2011 | CN201874537U Novel pumping unit balancer |
| 06/22/2011 | CN201874536U Swing type double-well pumping unit |
| 06/22/2011 | CN201874519U Multifunctional water distributor at well mouth |
| 06/22/2011 | CN201874516U Sectional well completion packer for thermal production of heavy oil wells |
| 06/22/2011 | CN201874499U High-flow engine degasser |
| 06/22/2011 | CN201874498U Skid-mounted sealed drying treatment device for drilling cuttings |
| 06/22/2011 | CN102105651A Method and system for subsea processing of multiphase well effluents |
| 06/22/2011 | CN102105650A Apparatus and method for generating power downhole |
| 06/22/2011 | CN102102534A Underwater power generation |
| 06/22/2011 | CN102102507A Double-cavity sand and gas anchor |
| 06/22/2011 | CN102102506A Fire flooding oil extraction layered steam injection method and separate injection tubular column adopted by same |
| 06/22/2011 | CN102102505A Steam injection method for improving dryness of underground steam |
| 06/22/2011 | CN102102504A Pressure transfer eccentric water distribution blanking plug |
| 06/22/2011 | CN102102503A Sand prevention method for four-inch small hole |
| 06/22/2011 | CN102102502A Method for arranging in-situ leaching hole drilling filter |
| 06/22/2011 | CN102102501A Method for solving problem of incapable long-term balance of current of beam-pumping unit in running process |
| 06/22/2011 | CN102102492A Straight-joint type insulated tubing and processing technology thereof |
| 06/22/2011 | CN102102490A Method for feeding and expanding forked three-way mechanism based on downward orientation |
| 06/22/2011 | CN101915086B Coal mine underground gas borehole fracturing method |
| 06/22/2011 | CN101915083B Method for extracting coalbed gases from coal mines by upper and lower combination |