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)
04/2012
04/04/2012CN202181605U 输水装置 Water delivery system
04/04/2012CN102400669A 钻孔加热煤层抽采瓦斯方法 Coal gas drainage drilling heating method
04/04/2012CN102400668A 稠油井筒降粘方法及适用于稠油掺稀比的确定方法 Heavy wellbore viscosity reduction method and the method applied to determine the ratio of heavy oil mixed with dilute
04/04/2012CN102400667A Sea bottom natural gas hydrate gas lift mining method and device
04/04/2012CN102400666A Multilevel-deceleration and multilevel-balance oil pumping unit
04/04/2012CN102400665A 一种双井皮带式抽油机 One kind shuangjing belt pumping unit
04/04/2012CN102400664A Well completion process method for increasing gas production of ground horizontally butted well of soft coal stratum
04/04/2012CN102400663A 超深井抽油机 Ultra-deep pumping
04/04/2012CN102400661A 用于连续油管多层压裂作业的平衡阀 Valves for multilayer coiled tubing fracturing jobs
04/04/2012CN101539008B 煤层气地面立体排采方法 CBM drainage method for three-dimensional ground
04/04/2012CA2754554A1 Process for producing mineral oil from underground mineral oil deposits
04/04/2012CA2754284A1 Fluid level control mechanism
04/04/2012CA2752371A1 Multi-sleeve plunger for plunger lift system
04/03/2012US8146960 Two hermetic threaded tubular joints
04/03/2012US8146732 Drive head assembly for a fluid conveyor system
04/03/2012US8146667 Dual gradient pipeline evacuation method
04/03/2012US8146666 Surfactant method for improved oil recovery from subterranean reservoirs
04/03/2012US8146665 Apparatus and method for maintaining boost pressure to high-pressure pumps during wellbore servicing operations
04/03/2012US8146664 Utilization of low BTU gas generated during in situ heating of organic-rich rock
04/03/2012US8146662 Well screen assembly with multi-gage wire wrapped layer
04/03/2012US8146661 Cryogenic treatment of gas
04/03/2012US8146654 Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles
04/03/2012US8146653 Articulated extraction pipe
04/03/2012CA2694146C Method and apparatus for isolating a jet forming aperture in a well bore servicing tool
04/03/2012CA2647865C Isolating tubing
04/03/2012CA2628802C Method and apparatus for hydraulic treatment of a wellbore
04/03/2012CA2610230C Water integration between an in-situ recovery operation and a bitumen mining operation
04/03/2012CA2425036C Sealed multilateral junction system
04/01/2012CA2716446A1 Effective horizontal drilling through a hydrocarbon reservoir
03/2012
03/30/2012CA2754279A1 High efficiency slug containing vapor recovery
03/30/2012CA2754242A1 Plunger lift and safety valve system
03/29/2012WO2012040467A2 Wellbore tubular cutter
03/29/2012WO2012040358A1 In situ hydrocarbon upgrading with fluid generated to provide steam and hydrogen
03/29/2012WO2012040339A1 Low cut water sampling device
03/29/2012WO2012040267A1 Method and apparatus for dynamic, variable-pressure, customizable, membrane-based water treatment for use in improved hydrocarbon recovery operations
03/29/2012WO2012040169A1 Method of using carbon dioxide in recovery of formation deposits
03/29/2012WO2012039987A2 Radio frequency enhanced steam assisted gravity drainage method for recovery of hydrocarbons
03/29/2012WO2012039967A2 Radio frequency heat applicator for increased heavy oil recovery
03/29/2012WO2012039941A1 Selective control of flow through a well screen
03/29/2012WO2012039892A1 Sand control screen assembly having a mechanically attached screen jacket
03/29/2012WO2012039809A1 Oil collection system and method for deepwater spills
03/29/2012WO2012039743A1 Method for the use of nitrates and nitrate reducing bacteria in hydraulic fracturing
03/29/2012WO2012039698A1 Oil production method, primarily of sticky oil
03/29/2012WO2012039631A1 Method of operating a geothermal plant
03/29/2012WO2012038814A2 Process for the fluidification of a high-viscosity oil directly inside the reservoir by injections of vapour
03/29/2012WO2012037676A1 Pressure balancing proppant addition method and apparatus
03/29/2012WO2012037661A1 Apparatus and method for fluid treatment of a well
03/29/2012WO2012037645A1 Wellbore frac tool with inflow control
03/29/2012WO2012006486A3 A method for treatment of subterranean sites adjacent to water injection wells
03/29/2012WO2012005874A3 Mitigating leaks in production tubulars
03/29/2012US20120074041 Processing oil from steam assisted production
03/29/2012US20120073836 Methods for increasing oil production
03/29/2012US20120073825 Simultaneous Source Encoding and Source Separation As A Practical Solution For Full Wavefield Inversion
03/29/2012US20120073824 Hybride Method For Full Waveform Inversion Using Simultaneous and Sequential Source Method
03/29/2012US20120073823 System for subsea extraction of gaseous materials from, and prevention, of hydrates
03/29/2012US20120073822 Fluid Treatment System
03/29/2012US20120073821 Methods for Reducing Biological Load in Subterranean Formations
03/29/2012US20120073820 Chemical Injector for Wells
03/29/2012US20120073819 Method and system for hydraulic fracturing
03/29/2012US20120073818 Mixing Tank and Method of Use
03/29/2012US20120073817 Tethered Polymers Used to Enhance the Stability of Microemulsion Fluids
03/29/2012US20120073813 Novel Weight Materials for Use in Cement, Spacer and Drilling Fluids
03/29/2012US20120073812 Method of isolating a wellbore with solid acid for fracturing
03/29/2012US20120073811 In situ process for mercury removal
03/29/2012US20120073810 Situ hydrocarbon upgrading with fluid generated to provide steam and hydrogen
03/29/2012US20120073809 Diversion pill and methods of using the same
03/29/2012US20120073804 System For Monitoring Linearity of Down-Hole Pumping Systems During Deployment and Related Methods
03/29/2012US20120073801 Sand Control Screen Assembly Having a Mechanically Attached Screen Jacket
03/29/2012US20120073800 Pump shaft bearing support
03/29/2012US20120073799 Apparatus for distributing carbon dioxide with advanced function of adjusting pressure and temperature of carbon dioxide for geologic injection of carbon dioxide
03/29/2012US20120073798 Control system for extraction of hydrocarbons from underground deposits
03/29/2012DE102010043529A1 Vorrichtung und Verfahren zur Verwendung der Vorrichtung zur "in situ"-Förderu von Bitumen oder Schwerstöl aus Ölsand-Lagerstätten Apparatus and method for using the device for "in situ" -Förderu of bitumen or heavy oil from oil sand deposits
03/29/2012DE102010043302A1 Verfahren zur "in situ"-Förderung von Bitumen oder Schwerstöl aus Ölsand-Lagerstätten als Reservoir Process for "in situ" extraction of bitumen or heavy oil from oil sand deposits as a reservoir
03/29/2012DE102010041329A1 Vorrichtung zur Erwärmung von Erdreich A device for heating soil
03/29/2012CA2812967A1 Method and apparatus for dynamic, variable-pressure, customizable, membrane-based water treatment for use in improved hydrocarbon recovery operations
03/29/2012CA2812589A1 In situ hydrocarbon upgrading with fluid generated to provide steam and hydrogen
03/29/2012CA2812167A1 Method for the use of nitrates and nitrate reducing bacteria in hydraulic fracturing
03/29/2012CA2812148A1 Wellbore tubular cutter
03/29/2012CA2812139A1 Selective control of flow through a well screen
03/29/2012CA2811937A1 Method of using carbon dioxide in recovery of formation deposits
03/29/2012CA2811552A1 Radio frequency enhanced steam assisted gravity drainage method for recovery of hydrocarbons
03/29/2012CA2811266A1 Radio frequency heat applicator for increased heavy oil recovery
03/29/2012CA2810777A1 Apparatus and method for fluid treatment of a well
03/29/2012CA2810771A1 Low cut water sampling device
03/29/2012CA2810412A1 Wellbore frac tool with inflow control
03/29/2012CA2809426A1 Sand control screen assembly having a mechanically attached screen jacket
03/29/2012CA2807423A1 Pressure balancing proppant addition method and apparatus
03/29/2012CA2761048A1 Post cold heavy oil production with sand microbial enhanced oil recovery method
03/28/2012EP2434092A2 Apparatus and method for fracturing portions of an earth formation
03/28/2012EP2433999A1 Film coated particles for oil exploitation and oil exploitation method using the same
03/28/2012EP2432967A1 Electric submersible pumping system for dewatering gas wells
03/28/2012EP2432966A1 Cable suspended pumping system
03/28/2012EP2432964A2 Method of protecting a flexible riser and an apparatus therefor
03/28/2012EP2118437B1 Reservoir stimulation while running casing related applications
03/28/2012CN202176636U 一种抽油机电动制动装置 An electric brake device Pumping
03/28/2012CN202176635U 一种抽油机安全刹车装置 One kind of pumping safety brakes
03/28/2012CN202176327U 一种天然气计量分离系统 One kind of gas metering separation system
03/28/2012CN202176325U 一种负压可控压裂液混合器及压裂液配制装置 One kind of negative controllable mixer and fracturing fluid fracturing fluid preparation device
03/28/2012CN202176324U Gaslight unit for collecting and warming tail gas of diesel engine
03/28/2012CN202176323U 热水掺采稠油清蜡装置 Hot wax mixed with heavy mining equipment
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