Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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)
11/2009
11/10/2009CA2430183C Mechanically actuated gas separator for downhole pump
11/10/2009CA2378073C Method for treatment of underground reservoirs
11/10/2009CA2270833C Gas trap for drilling mud
11/07/2009CA2665442A1 Phosphorus-free gelled hydrocarbon compositions and method for use thereof
11/05/2009WO2009135069A1 Method and cooling system for electric submersible pumps/motors for use in geothermal wells
11/05/2009WO2009134766A1 Waste material processing for oil recovery
11/05/2009WO2009134643A2 Method for increasing the recovery of hydrocarbons
11/05/2009WO2009134544A2 Downhole barrier valve
11/05/2009WO2009134159A1 Strong low density ceramics
11/05/2009WO2009134158A1 Method for monitoring flood front movement during flooding of subsurface formations
11/05/2009WO2009134125A1 Floating offshore structure for hydrocarbon production
11/05/2009WO2009133343A1 Slug mitigation
11/05/2009WO2009133312A2 Method for reducing fluid flow in a porous medium by means of a biological process
11/05/2009WO2009133028A1 Method of producing gaseous and liquid components from one or more multi-phase streams and an apparatus therefor
11/05/2009WO2009133027A1 Method of bypassing a pipeline in a multiple pipeline system
11/05/2009WO2009108940A3 Underground sequestration system and method
11/05/2009WO2009097338A3 Hydraulic oil well pumping apparatus
11/05/2009WO2009085615A9 Borehole imaging and orientation of downhole tools
11/05/2009WO2009002414A4 Methods and systems for generating and using plasma conduits
11/05/2009WO2008132641A3 Well treatment using electric submersible pumping system
11/05/2009US20090272545 System and method for use of pressure actuated collapsing capsules suspended in a thermally expanding fluid in a subterranean containment space
11/05/2009US20090272544 Tools and methods for hanging and/or expanding liner strings
11/05/2009US20090272538 Electrical submersible pump assembly
11/05/2009US20090272536 Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations
11/05/2009US20090272535 Using tunnels for treating subsurface hydrocarbon containing formations
11/05/2009US20090272534 Methods of using viscoeleastic surfactant gelled fluids to pre-saturate underground formations
11/05/2009US20090272533 Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations
11/05/2009US20090272532 Method for increasing the recovery of hydrocarbons
11/05/2009US20090272531 Hydrocarbon recovery testing method
11/05/2009US20090272530 Annular region evaluation in sequestration wells
11/05/2009US20090272529 System and Method for Selective Activation of Downhole Devices in a Tool String
11/05/2009US20090272527 Method and Apparatus for Perforating a Casing and Producing Hydrocarbons
11/05/2009US20090272526 Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations
11/05/2009CA2722838A1 Method for monitoring flood front movement during flooding of subsurface formations
11/05/2009CA2722430A1 Method for increasing the recovery of hydrocarbons
11/05/2009CA2721916A1 Strong low density ceramics
11/05/2009CA2665126A1 Method for monitoring a multi-layered system
11/04/2009EP2113082A1 Method and apparatus for obtaining heavy oil samples from a reservoir sample
11/04/2009EP1534926B1 Viscosity reduction of viscoelastic surfactant based fluids
11/03/2009US7612022 Treating a hydrocarbon-containing formation with a mixture of aliphatic anionic surfactant and a branched aliphatic nonionic additive to reduce interfacial surface tension between fluids (e.g., water, hydrocarbons) to allow interaction with different hydrocarbons to form an emulsion
11/03/2009US7611633 Method and device for separation of a fluid, in particular oil, gas and water
11/03/2009US7610969 Perforating methods and devices for high wellbore pressure applications
11/03/2009US7610964 Positive displacement pump
11/03/2009US7610962 Sour gas injection for use with in situ heat treatment
11/03/2009US7610961 Downhole separation of oil and water
11/03/2009US7610959 Fluid movement control when used in completing a wellbore penetrating an oil well formation by inserting an elastomer such as butadiene-styrene copolymer impregnated with a water-swellable material, clay, acrylates and mixtures;fluid migration controlmethods for drilling for oil
11/03/2009US7610955 Controlled gas-lift heat exchange compressor
11/03/2009US7610667 Method of connecting expandable tubulars
11/03/2009CA2514208C Propped fracture with high effective surface area
11/03/2009CA2470610C Tubing connector
11/03/2009CA2401707C Electro-hydraulically pressurized downhole valve actuator
11/03/2009CA2385025C Method for determining a property of a hydrocarbon-bearing formation
10/2009
10/29/2009WO2009131753A2 System and method for controlling flow in a wellbore
10/29/2009WO2009131462A2 Gas compression system
10/29/2009WO2009130633A1 Rock stress modification technique
10/29/2009WO2009130621A1 Method, apparatus and system for characterizing two phase fluid flow in an injection well
10/29/2009WO2009130620A1 Apparatus and method for characterizing two phase fluid flow
10/29/2009WO2009130483A1 Forecasting asphaltic precipitation
10/29/2009WO2009095512A4 Pollutant collection device
10/29/2009WO2009077718A3 Oilfield area network communication system and method
10/29/2009WO2009076334A4 Zonal isolation of telescoping perforation appartus with memory based material
10/29/2009US20090266755 Downhole Gravitational Water Separator
10/29/2009US20090266560 Monobore construction with dual expanders
10/29/2009US20090266557 Flapper valve retention method and system
10/29/2009US20090266555 System and method for controlling flow in a wellbore
10/29/2009US20090266554 Smart compressed chamber well optimization system
10/29/2009US20090266550 Subsea Toroidal Water Separator
10/29/2009US20090266549 Method and assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers
10/29/2009US20090266548 Rock Stress Modification Technique
10/29/2009US20090266547 Enzyme enhanced oil recovery (EEOR) for near wellbore treatment of oil and gas with greater than 50% barrel of oil equivalent (BOE) gas production
10/29/2009US20090266546 Apparatus and Method For Discharging Multiple Fluids Downhole
10/29/2009US20090266545 Method and Device for Producing a Gaseous Medium Comprising Steam
10/29/2009US20090266544 Signal operated tools for milling, drilling, and/or fishing operations
10/29/2009US20090266542 Capillary injector
10/29/2009US20090266541 Waste material processing for oil recovery
10/29/2009US20090266540 Zero Emission Liquid Fuel Production By Oxygen Injection
10/29/2009US20090266538 Method of modelling enhanced recovery by polymer injection
10/29/2009US20090266537 Combination injection string and distributed sensing string for well evaluation and treatment control
10/29/2009US20090266534 Arrangement used in oil field wells for lifting hydrocarbons
10/29/2009US20090266532 Wellbore Tool for Filling, Circulating and Backflowing Fluids
10/29/2009CA2722303A1 Method, apparatus and system for characterizing two phase fluid flow in an injection well
10/29/2009CA2722279A1 Apparatus and method for characterizing two phase fluid flow
10/29/2009CA2721973A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721970A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721957A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721953A1 Compositions and methods for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721949A1 Block copolymers for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721948A1 Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery
10/29/2009CA2721669A1 Forecasting asphaltic precipitation
10/29/2009CA2721369A1 Rock stress modification technique
10/29/2009CA2720678A1 Gas compression system
10/29/2009CA2664961A1 Zero emission liquid fuel production by oxygen injection
10/28/2009EP2112325A1 Modelling method for assisted recovery by polymer injection
10/28/2009EP2111496A2 Chemical-injection management system
10/28/2009CN101568616A Recovery of oil
10/28/2009CN101566058A Multi-ball ball injector
10/28/2009CN101566057A Deep well gas injection supercharging mechanical oil production method and device
10/28/2009CN101566056A Body-free coaxial following synergistic perforator
10/28/2009CN101566055A Stainless steel plate mesh sand control tube
10/28/2009CN101566054A Primary gravel packing tool for heat recovery
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