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)
11/2008
11/05/2008CN101300402A Monitoring formation properties
11/05/2008CN101300401A Methods and systems for producing fluid from an in situ conversion process
11/05/2008CN101298867A Double-work rod oil-well pump
11/05/2008CN101298835A Controllable acid distributing tube and controllable acid distributing method
11/05/2008CN101298834A Ultralong pumping rod hot pipe assembly with high heat transfer characteristic
11/05/2008CN101298833A Balance type beam-pumping unit
11/05/2008CN101298028A Mixed stirring device of acidizing substance
11/04/2008US7445429 Crossover two-phase flow pump
11/04/2008US7445049 Gas operated pump for hydrocarbon wells
11/04/2008US7445048 Plunger lift apparatus that includes one or more sensors
11/04/2008US7445046 Nested velocity string tubing hanger
11/04/2008US7445045 Method of optimizing production of gas from vertical wells in coal seams
11/04/2008US7445044 Polymer mixtures for crosslinked fluids
11/04/2008US7445041 Method and system for extraction of hydrocarbons from oil shale
11/04/2008CA2588189A1 Bubble assisted method to prevent solids accumulations within hydrocarbon production conduits
11/02/2008CA2594213A1 Composition for denaturing and breaking down friction-reducing polymer and for destroying other gas and oil well contaminants
10/2008
10/30/2008WO2008131212A2 Systems, methods, and processes for use in treating subsurface formations
10/30/2008WO2008131182A1 Controlling and assessing pressure conditions during treatment of tar sands formations
10/30/2008WO2008131180A1 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities
10/30/2008WO2008131171A1 Parallel heater system for subsurface formations
10/30/2008WO2008131169A2 In situ recovery from residually heated sections in a hydrocarbon containing formation
10/30/2008WO2008130815A1 Casing coupler liner hanger mechanism
10/30/2008WO2008129292A2 Improvements relating to oil and gas production
10/30/2008WO2008107831A3 Circulated degradable material assisted diversion
10/30/2008WO2008051822A3 Heating tar sands formations to visbreaking temperatures
10/30/2008WO2008051495A3 Systems and processes for use in treating subsurface formations
10/30/2008WO2008051299A3 Systems and processes for use in treating subsurface formations
10/30/2008WO2008030268A3 In situ recovery from hydrocarbonaceous earth formations
10/30/2008WO2008024547A3 Well chemical treatment utilizing plunger lift delivery system with chemically improved plunger seal
10/30/2008WO2007146889A3 Drilling fluid flow diverter
10/30/2008WO2007133461A3 Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids
10/30/2008WO2007124471A3 Enhanced liquid hydrocarbon recovery by miscible gas water drive
10/30/2008WO2007121303A3 Apparatus for radial expansion of a tubular
10/30/2008WO2007117810A3 Enhanced hydrocarbon recovery by steam injection of oil sand formations
10/30/2008WO2007094897A3 Conformance control through stimulus-responsive materials
10/30/2008US20080265654 Microwave process for intrinsic permeability enhancement and Hydrocarbon extraction from subsurface deposits
10/30/2008US20080264645 Apparatus for mitigating slugging in flowline systems
10/30/2008US20080264641 Blending Fracturing Gel
10/30/2008US20080264640 Well treatment using electric submersible pumping system
10/30/2008US20080264639 Method and Apparatus for Orienting Perforating Devices
10/30/2008US20080264635 Flexible ceramic composite skin and a truss structure attached to the skin; truss structure is arranged to morph shape of the skin from a first shape to a second shape that is different than the first shape; air inlet, combustor, exhaust nozzle, or control surfaces of a hypersonic aircraft
10/30/2008US20080264630 Method and Apparatus Suitable For Hole Cleaning During Operations
10/30/2008US20080264625 Linear electric motor for an oilfield pump
10/30/2008DE102007040607B3 Method for in-situ conveyance of bitumen or heavy oil from upper surface areas of oil sands
10/30/2008DE102007040605B3 Device for conveying bitumen or heavy oil in-situ from oil sand deposits comprises conductors arranged parallel to each other in the horizontal direction at a predetermined depth of a reservoir
10/30/2008DE10084454B4 Bohrlochsieb mit einem inneren Ausweichströmungsweg Well screen with an internal alternate flowpath
10/30/2008CA2684486A1 In situ recovery from residually heated sections in a hydrocarbon containing formation
10/30/2008CA2684471A1 Systems, methods, and processes for use in treating subsurface formations
10/30/2008CA2684468A1 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities
10/30/2008CA2684466A1 Controlling and assessing pressure conditions during treatment of tar sands formations
10/30/2008CA2684420A1 Parallel heater system for subsurface formations
10/30/2008CA2684281A1 System and method for crossflow detection and intervention in production wellbores
10/30/2008CA2683994A1 System and method for water breakthrough detection and intervention in a production well
10/29/2008EP1985799A2 Casing conveyed perforating process and apparatus
10/29/2008EP1985798A2 Protective sleeve for threated connections for expandable liner hanger
10/29/2008EP1985797A2 Protective sleeve for threated connections for expandable liner hanger
10/29/2008EP1985796A2 Protective sleeve for threated connections for expandable liner hanger
10/29/2008EP1985793A2 Device for drilling and/or rotary percussion drilling in stone material
10/29/2008EP1984599A2 Kerogen extraction from subterranean oil shale resources
10/29/2008EP1180195B1 Casing conveyed perforating process and apparatus
10/29/2008CN201141355Y Single-crank balance beam type oil pumping machine
10/29/2008CN201141354Y Single-crank non-beam pumping unit
10/29/2008CN201141296Y Multifunctional negative pressure oil production plug-removing oil-adding device
10/29/2008CN101297096A Temperature limited heater with a conduit substantially electrically isolated from the formation
10/29/2008CN101297095A Extended reach drilling apparatus and method
10/29/2008CN101296738A Separator for separating a solid, liquid and/or gas mixture
10/29/2008CN101294488A Renewedly entrance guiding device for injection string and feeding-discharging tool
10/29/2008CN101294487A Renewedly entrance guiding device for injection string
10/29/2008CN101294486A Vertical energy-saving oil pumping machine
10/29/2008CN101294485A Oil production method and apparatus for horizontal oil well
10/29/2008CN101294484A Oil pumping equipment controlled with single stroke machine pump
10/29/2008CN101294482A Shape memory materials for downhole tool applications
10/28/2008US7441606 Expandable fluted liner hanger and packer system
10/28/2008US7441605 Optical sensor use in alternate path gravel packing with integral zonal isolation
10/28/2008US7441604 Fracking multiple casing exit laterals
10/28/2008US7441603 Hydrocarbon recovery from impermeable oil shales
10/28/2008US7441601 Perforation gun with integral debris trap apparatus and method of use
10/28/2008US7441599 Controlling the pressure within an annular volume of a wellbore
10/28/2008US7441598 Methods of stabilizing unconsolidated subterranean formations
10/28/2008US7441597 Method and apparatus for in-situ radiofrequency assisted gravity drainage of oil (RAGD)
10/28/2008US7441595 Method and apparatus for single-run formation of multiple lateral passages from a wellbore
10/28/2008US7441594 Full bore wellhead load shoulder and support ring
10/28/2008CA2551950C Compliant cone for solid liner expansion
10/28/2008CA2387416C Well treatment fluids comprising mixed aldehydes
10/28/2008CA2366874C Wellbore isolation technique
10/28/2008CA2346324C Encapsulated breakers and method for use in treating subterranean formations
10/28/2008CA2336353C Method and tool for fracturing an underground formation
10/23/2008WO2008125808A1 Dry additive metering into portable blender tub
10/23/2008WO2008125135A1 Power supply device
10/23/2008WO2008124919A1 Aqueous particulate slurry compositions and methods of making same
10/23/2008WO2008124913A1 Injection device for injecting fluid into a well bore
10/23/2008WO2008098242A3 Process for recovering heavy oil
10/23/2008WO2008060893B1 Large bore packer and methods of setting same
10/23/2008WO2007146644A3 Downhole flow improvement
10/23/2008WO2007112254A3 Water injection systems and methods
10/23/2008WO2007038446A3 Method and apparatus for coupling expandable tubular members
10/23/2008US20080257605 Method of forming a bore
10/23/2008US20080257561 Casing coupler liner hanger mechanism
10/23/2008US20080257558 Shifting apparatus and method
10/23/2008US20080257556 Non-aqueous foam composition for gas lift injection and methods for making and using same
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