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)
07/2010
07/22/2010CA2749332A1 Systems and methods for producing oil and/or gas
07/22/2010CA2749331A1 Systems and methods for producing oil and/or gas
07/22/2010CA2749330A1 Systems and methods for producing oil and/or gas
07/22/2010CA2749019A1 Methods of designing treatment fluids based on solid-fluid interactions
07/21/2010CN201531519U Locking-type crank pin
07/21/2010CN201531409U Dedicated ultra-high strength plug-in type pumping rod for screw pumps
07/21/2010CN201531400U Intelligent drainage and production device for immersed pump in coal bed gas wells
07/21/2010CN201531397U Movable cylinder high-efficiency tubular oil pump
07/21/2010CN201531262U Wellhead sewage filter
07/21/2010CN201531261U Deflagration fracturing device used in cased well
07/21/2010CN201531260U Well shaft double-hollow sucker rod closed-cycle heating device
07/21/2010CN201531259U Perforating bullet of high perforation density deep penetration perforator for oil and gas well
07/21/2010CN201531258U Detonating and energizing explosion-propagating device for perforating gun strings
07/21/2010CN201531257U Mechanical tapping explosion initiating device
07/21/2010CN201531256U Dynamic seal press device for improving fracturing effect of composite perforation
07/21/2010CN201531255U High perforation density deep penetration perforator for oil and gas well
07/21/2010CN201531254U Second open hole horizontal well sand prevention well cementation tubular column adopting interpolation method
07/21/2010CN201531253U Magnetic pump protecting unit used in oil well
07/21/2010CN201531252U Gravel forward-direction filling sand-prevention tubular column with open bottom
07/21/2010CN201531251U Energy-saving pumping unit
07/21/2010CN201531250U Three-wheel belt pumping unit moving device
07/21/2010CN201531249U Ungrounded walking-beam balance oil sucking machine
07/21/2010CN201531245U Adjustable valve of layered hollow production mandrel in oil field
07/21/2010CN201531240U Combined choke free of disassembly and assembly
07/21/2010CN201531227U Novel beam hanger for oil pump unit
07/21/2010CN201531226U Steel wire rope hanger
07/21/2010CN201531217U Heat transfer oil electromagnetic heating sucker rod
07/21/2010CN101785151A High pressure, high voltage penetrator assembly
07/21/2010CN101784750A High gain rfid tag antennas
07/21/2010CN101784744A Power transmission system for use with downhole equipment
07/21/2010CN101781982A Short-injection water injection well acidation injectivity process
07/21/2010CN101781981A Double-balance long-stroke energy-saving beam pumping unit
07/21/2010CN101781980A Method for balancing reduction gearbox output shaft torque of ventilator and complete-cycle balancing device
07/21/2010CN101781979A Hydraulic driving oil extraction equipment
07/21/2010CN101781552A Bio-enzyme gel breaker and technique for water-based guargum fracturing gel breaking with the same
07/21/2010CN101271642B Combustion driven three-dimensional physical analogue device
07/20/2010US7759292 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation
07/20/2010US7757788 Ultrahard composite constructions
07/20/2010US7757774 Method of completing a well
07/20/2010US7757770 Injecting a foam-forming liquid and an expandable fluid into a coal seam proximate the wellbore; depressurization to expand and vaporize which generates foam that aids in the formation and/or enlargement of a cavity in the coal seam proximate the wellbore
07/20/2010US7757769 Wellbore and reservoir treatment device and method
07/20/2010US7757768 Determining the breakdown pressure of the subterranean formation;calculating a maximum allowable fluid viscosity for a preflushadjusting the viscosity to a viscosity less than or equal to the maximum allowable to prevent fracturing; injecting into the oil or gas well
07/20/2010US7757766 Treating a well bore penetrating a subterranean formation comprising combining components water and a density-matched suspension to prepare a treatment fluid; the density-matched suspension comprises a suspending liquid and a solid particle suspended in the suspending liquid; nonsettling
07/20/2010US7757762 Downhole tools having screens for insertion into gravel disposed in wellbores and methods of installing same
07/20/2010US7757761 Apparatus for reducing water production in gas wells
07/20/2010US7757758 Expandable wellbore liner
07/20/2010US7757401 Method for manufacturing a screen for downhole use
07/20/2010CA2793825A1 Automated field development planning
07/20/2010CA2690169A1 Automated field development planning
07/20/2010CA2652930A1 In-situ recovery of bitumen or heavy oil by injection of di-methyl ether
07/20/2010CA2610766C Clean-up additive for viscoelastic surfactant based fluids
07/20/2010CA2580304C Curable resin coated low apparent specific gravity beads and method of using the same
07/20/2010CA2528014C Shale inhibition additive for oil/gas down hole fluids and methods for making and using same
07/20/2010CA2504088C Motor cooler for submersible pump
07/20/2010CA2461485C Gas lift valve
07/16/2010CA2690105A1 Apparatus and method for downhole steam generation and enhanced oil recovery
07/15/2010WO2010080946A2 Non-stick articles
07/15/2010WO2010080780A2 Sand decanter
07/15/2010WO2010080636A2 Hydraulic unloading valve
07/15/2010WO2010080273A1 Full bore system without stop shoulder
07/15/2010WO2010080040A1 A device for liquid treatment when compressing a well flow
07/15/2010WO2010079237A1 Annular barrier and annular barrier system
07/15/2010WO2010078627A1 An improved pump system
07/15/2010WO2010059528A3 Method for downhole screen manufacturing
07/15/2010WO2009076014A3 Remote-controlled gravel pack crossover tool utilizing wired drillpipe communication and telemetry
07/15/2010WO2009071876A8 Process for consolidating sand
07/15/2010US20100176039 Treatment method of organic compounds included in waste water, a treatment apparatus of organic compounds included in waste water, a treatment system of organic compounds included in waste water, and a bitumen collecting system
07/15/2010US20100175896 Catalytic oil recovery
07/15/2010US20100175895 Permeability Modification
07/15/2010US20100175887 Subsurface Safety Valve Flapper
07/15/2010US20100175886 Retrodicting Source-Rock Quality And Paleoenvironmental Conditions
07/15/2010US20100175884 Offshore gas recovery
07/15/2010US20100175883 Undersea well product transport
07/15/2010US20100175881 Using A Biphasic Solution As A Recyclable Coiled Tubing Cleanout Fluid
07/15/2010US20100175880 Method of Using Crosslinkable Brine Containing Compositions
07/15/2010US20100175879 Perforating torch apparatus and method
07/15/2010US20100175878 Methods of Setting Particulate Plugs in Horizontal Well Bores Using Low-Rate Slurries
07/15/2010US20100175877 Method of designing and executing a well treatment
07/15/2010US20100175876 Method and System Integrating Thermal Oil Recovery And Bitumen Mining For Thermal Efficiency
07/15/2010US20100175875 Squeeze Process For Reactivation Of Well Treatment Fluids Containing A Water-Insoluble Adsorbent
07/15/2010US20100175874 Fiber laden energized fluids and methods of use thereof
07/15/2010US20100175873 Single pump focused sampling
07/15/2010US20100175872 In situ combustion as adjacent formation heat source
07/15/2010US20100175869 Downhole Separator
07/15/2010CA2853370A1 Annular barrier and annular barrier system
07/15/2010CA2752690A1 Managed pressure conduit assembly systems and methods for extending or using passageway through subterranean strata
07/15/2010CA2748959A1 Sand decanter
07/15/2010CA2747707A1 Hydraulic unloading valve
07/15/2010CA2746015A1 Annular barrier and annular barrier system
07/15/2010CA2688763A1 In situ combustion as adjacent formation heat source
07/14/2010EP2206881A2 Determination of gas activity in soil
07/14/2010EP2206879A1 Annular barrier and annular barrier system
07/14/2010EP2206542A1 Method and apparatus for degassing a fluid mixture
07/14/2010EP2205826A2 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants
07/14/2010EP2205825A1 Intelligent underwater leak detection system
07/14/2010EP2205820A2 Inflatable packer with energy and triggering section
07/14/2010CN201526665U Oil discharge anti-theft impurity remover of oil extractor reduction gearbox
07/14/2010CN201526652U Motor belt adjustment device of oil extractor
07/14/2010CN201526587U Retaining bolt anti-theft device for upright oil pump
07/14/2010CN201526306U Energy-saving type separating, heating, precipitating and buffering integrated device
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