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)
11/2011
11/16/2011	CN202039828U Water amount control device for water injection well
11/16/2011	CN202039827U Steady flow straight-through type adjustor of water injection well
11/16/2011	CN202039826U Water mixing regulation-free device
11/16/2011	CN202039825U Integrated separated layer water injection packing water distributor for throwing test
11/16/2011	CN202039824U Back-off type well completion pipe string
11/16/2011	CN202039823U Sand control screen for thermal recovery
11/16/2011	CN202039822U Belt tensioner capable of quantifying tension degree and alarming
11/16/2011	CN202039821U Stroke-increasing beam pumping unit with pulleys
11/16/2011	CN202039820U Oil obtaining device
11/16/2011	CN202039047U Skid-mounted device for utilizing Venturi injecting tubes to dehydrate natural gas of wellhead
11/16/2011	CN1946919B Reducing viscosity of oil for production from a hydrocarbon containing formation
11/16/2011	CN1854458B Electric heater of re-production of long shutoff thick oil and high viscosity oil well
11/16/2011	CN102245505A Process for treating a heavy hydrocarbon feedstock to reduce its viscosity
11/16/2011	CN102242640A Rapid outburst elimination method for cross cut coal uncovering in coal mine underground
11/16/2011	CN102242626A Steam drive exploitation method for heavy oil reservoir
11/16/2011	CN102242625A Method for improving recovery ratio of crude oil of oil deposit after polymer flooding
11/16/2011	CN102242624A Carbon dioxide displacement injection and closing CO2 method
11/16/2011	CN102242623A Erosion-resistant downhole choke for sour gas well
11/16/2011	CN102242622A Self-adaptive adjusting sand prevention sieve tube based on double-trapezoid slotted sieve tube
11/16/2011	CN102242621A Negative pressure de-plugging and oil extraction process and device
11/16/2011	CN102242620A Intermit hoisting oil absorption machine
11/16/2011	CN102242614A Coaxial double-layer gas injection well mouth device
11/16/2011	CN102242507A Steel wire rope for towing oil pumping unit
11/16/2011	CN101881435B Flue gas multi-return high-pressure and direct-current steam injection boiler body
11/16/2011	CN101270638B Straight-pushing arc-operation beam pumping unit
11/15/2011	US8058213 Increasing buoyancy of well treating materials
11/15/2011	US8056643 Systems and techniques to actuate isolation valves
11/15/2011	US8056635 Split stream oilfield pumping systems
11/15/2011	US8056632 Downhole initiator for an explosive end device
11/15/2011	US8056630 Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations
11/15/2011	US8056629 Slant well desalination feedwater supply system and method for constructing same
11/15/2011	US8056628 System and method for facilitating downhole operations
11/15/2011	US8056626 Wellbore fluid redistribution and fluid disposal in wellbore environments
11/15/2011	US8056624 In Situ heavy oil and bitumen recovery process
11/15/2011	US8056620 Low cost rigless intervention and production system
11/15/2011	CA2671282C Controlling transient pressure conditions in a wellbore
11/15/2011	CA2646849C Inhibiting formation face failure in oil and gas wells
11/15/2011	CA2510448C Hybrid threaded connection for expandable tubulars
11/11/2011	CA2739252A1 Thermal mobilization of heavy hydrocarbon deposits
11/10/2011	WO2011140238A2 Modular bellows with instrumentation umbilical conduit for electrical submersible pump system
11/10/2011	WO2011140180A1 Systems and methods for producing oil and/or gas
11/10/2011	WO2011139824A2 Sand production control through the use of magnetic forces
11/10/2011	WO2011139554A1 Apparatus and method for securing subsea devices to a seabed
11/10/2011	WO2011139434A2 Conduction convection reflux retorting process
11/10/2011	WO2011139413A1 Artifact reduction in method of iterative inversion of geophysical data
11/10/2011	WO2011137535A1 Submerged hydrocarbon recovery apparatus
11/10/2011	WO2011137510A1 An apparatus and a method for use in positioning a rotor within a stator in a progressing cavity pump
11/10/2011	WO2011115729A3 Method and materials for proppant fracturing with telescoping flow conduit technology
11/10/2011	WO2011112513A3 A downhole steam generator and method of use
11/10/2011	WO2011101554A3 Expansible threaded joint and method for making same
11/10/2011	WO2011101052A3 Device and method for obtaining, in particular in situ, a substance containing carbon from an underground deposit
11/10/2011	WO2011091537A8 A system and method for induction heating a helical rotor using a coil
11/10/2011	WO2004092527A3 Apparatus for radially expanding and plastically deforming a tubular member
11/10/2011	US20110274493 Moored Wellhead Effluent Capture and Concrete Application Apparatus
11/10/2011	US20110272325 Formulations and methods for removing hydrocarbons from surfaces
11/10/2011	US20110272166 Separation Under Pressure of Methane from Hot Brine Useful for Geothermal Power
11/10/2011	US20110272162 Detecting and Remedying Hydrogen Starvation of Catalytic Hydrocarbon Generation Reactions in Earthen Formations
11/10/2011	US20110272161 Windowed Statistical Analysis For Anomaly Detection In Geophysical Datasets
11/10/2011	US20110272159 Hydraulic fracture height growth control
11/10/2011	US20110272158 High pressure manifold trailer and methods and systems employing the same
11/10/2011	US20110272157 Slot Perforating Tool
11/10/2011	US20110272156 Hydraulic fracturing
11/10/2011	US20110272155 System and method for fluid treatment
11/10/2011	US20110272153 Method and System For Enhancing A Recovery Process Employing One or More Horizontal Wellbores
11/10/2011	US20110272152 Operating Wells In Groups In Solvent-Dominated Recovery Processes
11/10/2011	US20110272151 Systems and methods for producing oil and/or gas
11/10/2011	US20110272149 In situ combustion in gas over bitumen formations
11/10/2011	US20110272148 Methods, systems and apparatus for coiled tubing testing
11/10/2011	US20110272144 System and method for remote wellbore servicing operations
11/10/2011	US20110272143 Sand production control through the use of magnetic forces
11/10/2011	US20110272142 Radiation-Induced Thickening and Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use
11/10/2011	US20110272137 Producing oil and/or gas with emulsion comprising miscible solvent
11/10/2011	US20110272134 High frequency surface treatment methods and apparatus to extend downhole tool survivability
11/10/2011	US20110272133 Systems and Methods for Delivering Gases through a Single Manifold for Remediation
11/10/2011	US20110271823 Electronic Selector Switch for Perforation
11/10/2011	DE102010019890A1 Shut-off device for pipeline for transporting of fluid, particularly crude oil streaming out under pressure, has multi-part radial catch housing located at pipeline, where catch housing is provided with closable discharge opening
11/10/2011	CA2798094A1 Submerged hydrocarbon recovery apparatus
11/10/2011	CA2795340A1 Artifact reduction in method of iterative inversion of geophysical data
11/09/2011	EP2385212A1 Choke assembly
11/09/2011	EP2384388A1 Configurations and methods for improved subsea production control
11/09/2011	EP1885994B1 A device for selective movement of well tools and also a method of using same
11/09/2011	EP1755821B1 Method and apparatus for sealing radially expanded joints
11/09/2011	EP1325209B1 Method and apparatus for cementing wells
11/09/2011	CN202033658U Measurement and control system using oil field and coalfield associated gas as power and used for oil pumping unit and air exhauster
11/09/2011	CN202033634U Oil extracting machine servo system for remote monitoring of oil field
11/09/2011	CN202031583U Round table cylindrical shell shaped near wellbore zone analogue device with sand prevention compacting sand bodies
11/09/2011	CN202031570U Plugging-type pressure differential flowmeter
11/09/2011	CN202031565U Anti-blocking sand blower of sliding sleeve
11/09/2011	CN202031564U Coal petrographic drilling hydraulic fracture experimental apparatus
11/09/2011	CN202031563U Wellhole double-hollow sucker rod hot-water circulation heating device
11/09/2011	CN202031562U Heat-insulation retaining pumping unit for heavy oil thermal production
11/09/2011	CN202031561U Thickened oil injection-production heat-insulation retractor device
11/09/2011	CN202031560U Casing medicament adding device
11/09/2011	CN202031559U Oil well chemical feeding device
11/09/2011	CN202031558U Device simulating shear of polymer solution
11/09/2011	CN202031557U Combined round table cylindrical shell near wellbore zone analogue device with three layers of compacting sand bodies
11/09/2011	CN202031556U Water plugging tubular column of bridge plug
11/09/2011	CN202031555U Dual-guiding minor-diameter eccentric water distributer
11/09/2011	CN202031554U Intelligent constant-water current-stabilizing water distribution device
11/09/2011	CN202031553U Sand prevention outer body

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