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)
12/2010
12/16/2010US20100314106 Low cost rigless intervention and production system
12/16/2010US20100314103 Method and device for maintaining sub-cooled fluid to esp system
12/16/2010US20100314101 Pipe anchoring and expanding unit for producing a slim well and method for producing a slim wel using the same
12/16/2010US20100314098 System and method for delivering a cable downhole in a well
12/16/2010US20100313645 Test procedure to determine concentration and relative distribution of sized particles in a drilling fluid
12/16/2010CA2764825A1 Liquid crystals for drilling, completion and production fluids
12/16/2010CA2762922A1 Engineered fibers for well treatments
12/15/2010EP2261459A1 Method and system for configuring crude oil displacement system
12/15/2010EP2261458A1 Engineered fibres for well treatments
12/15/2010EP1606526B1 Method for preventing critical annular pressure buildup
12/15/2010CN201674364U Detachment-free adjusting device for motor
12/15/2010CN201674355U Adjustable oil pumping unit motor moving apparatus
12/15/2010CN201672238U Pumping unit belt safe protective cover
12/15/2010CN201672237U Pumping unit belt intelligent safe protective cover
12/15/2010CN201671618U Multi-layer oil well sand control simulation test device
12/15/2010CN201671615U Weighing type oil-well metering separator
12/15/2010CN201671611U String winder
12/15/2010CN201671610U Thermal production well sleeve heat stress compensator
12/15/2010CN201671609U Closed tank-free oilfield water injection system with controllable pressure and flow
12/15/2010CN201671608U Fast plug remover of water filling well water meter
12/15/2010CN201671607U Concentric double-tube separate-injection tube column with ground water distribution for high-inclination well
12/15/2010CN201671606U Secondary pressurizing gas production device by aid of jet apparatus and compressor
12/15/2010CN201671605U Injection-production simulator for depleted oil-gas reservoir and aquifer gas storage
12/15/2010CN201671604U Guide rod type pumping unit
12/15/2010CN201671603U Gas well self-lifting dewatering gas producing device
12/15/2010CN201671602U Wire rope gearing lever-type beam-pumping unit
12/15/2010CN201671601U Oil-lifting pumping-assisting device for pumping well
12/15/2010CN201671594U Gusher de-plugging device without removing glib
12/15/2010CN201671589U Oilfield injection well plug
12/15/2010CN201671571U Hollow rod blowout-preventing hanger
12/15/2010CN1934331B Method for intensification of high-viscosity oil production and apparatus for its implementation
12/15/2010CN1690359B Method and apparatus and program storage device for front tracking in hydraulic fracturing simulators
12/15/2010CN101918674A An apparatus for prevention of mud hardening in drain holding tank
12/15/2010CN101915087A Sieve tube water control device
12/15/2010CN101915086A Coal mine underground gas borehole fracturing method
12/15/2010CN101915085A Low-air-permeability coal-bed gas extraction method
12/15/2010CN101915084A Process for pumping and exploiting coal bed gas by together using ground well drilling and underground hole drilling
12/15/2010CN101915083A Method for extracting coalbed gases from coal mines by upper and lower combination
12/15/2010CN101915082A Method for removing blockage of oil-water well through magnetic positioning pulse acidification
12/15/2010CN101915081A PLC (Programmable Logic Controller) intelligent automatic sand mixing system and control method thereof
12/15/2010CN101915080A Gas hydrate mined by adopting solid oxide fuel cell-gas turbine hybrid generation method and device thereof
12/15/2010CN101915079A Integrated de-plugging yield increasing process
12/15/2010CN101915078A Water distributor core
12/15/2010CN101915077A Pressure and the output self-adaptation measurement and control system of electric pump producing well
12/15/2010CN101915076A Oscillating leaked oil discharging hood of underwater vertical pipe joint
12/15/2010CN101915075A Gas hydrate mined by adopting low-temperature solid oxide fuel cell method and device thereof
12/15/2010CN101915074A Oil field well casing gas recovery device and process
12/15/2010CN101915073A In situ leaching injection process
12/15/2010CN101915072A Method for extracting coal bed gas in stable mining region by ground well drilling
12/15/2010CN101915062A Glass reinforced plastic sleeve used for coal bed gas well
12/15/2010CN101076653B Submersible pump
12/14/2010USRE41999 System and method for real time reservoir management
12/14/2010US7851417 for plugging permeable zones; subterranean formations
12/14/2010US7851415 Pumping a gravel pack system comprising pumping a composition prepared by mixing a carrier fluid with coarse sand or proppant, fine particles, fibers and a curable polymer to coatthe particles; curing to consolidate; enhance permeability; structural support
12/14/2010US7849925 System for completing water injector wells
12/14/2010US7849923 Proppant entrainment prevention method
12/14/2010US7849922 In situ recovery from residually heated sections in a hydrocarbon containing formation
12/14/2010US7849921 Water treatment method for heavy oil production
12/14/2010CA2574808C Porous composites containing hydrocarbon-soluble well treatment agents and methods for using the same
12/14/2010CA2552294C Methods and apparatus for optimizing well production
12/14/2010CA2508498C Coupling and sealing tubulars in a bore
12/14/2010CA2506925C Method of completing a well with hydrate inhibitors
12/14/2010CA2463104C In situ production of a blending agent from a hydrocarbon containing formation
12/14/2010CA2457217C Casing adapter tool for well servicing
12/09/2010WO2010141795A2 Subsea control module with interchangeable segments
12/09/2010WO2010141671A2 Device for the dynamic under balance and dynamic over balance perforating in a borehole
12/09/2010WO2010141408A2 No-go tag systems and methods for progressive cavity pumps
12/09/2010WO2010141405A2 Hydraulic oilfield lift pump
12/09/2010WO2010141256A2 Multiple zone isolation method
12/09/2010WO2010141199A2 Permeability flow balancing within integral screen joints and method
12/09/2010WO2010141198A2 Permeability flow balancing within integral screen joints
12/09/2010WO2010141197A2 Permeability flow balancing within integral screen joints
12/09/2010WO2010141196A2 Permeability flow balancing within integral screen joints
12/09/2010WO2010141195A2 Permeability flow balancing within integral screen joints and method
12/09/2010WO2010140033A2 Use of encapsulated chemical during fracturing
12/09/2010WO2010140032A2 Use of encapsulated tracers
12/09/2010WO2010139932A2 Method and system for configuring crude oil displacement system
12/09/2010WO2010139652A1 Method of producing a combined gaseous hydrocarbon component stream and liquid hydrocarbon component streams, and an apparatus therefor
12/09/2010WO2010093957A3 Convective heat systems for recovery of hydrocarbons from encapsulated permeability control infrastructures
12/09/2010WO2010093938A3 Methods for controlling temperatures in the environments of gas and oil wells
12/09/2010WO2010093777A3 Methods of recovering hydrocarbons from hydrocarbonaceous material using a constructed infrastructure and associated systems maintained under positive pressure
12/09/2010WO2010093584A3 Intermediate vapor collection within encapsulated control infrastructures
12/09/2010US20100307770 Contaminant excluding junction and method
12/09/2010US20100307768 Downhole Tubular Lifter and Method of Using the Same
12/09/2010US20100307767 Coupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore
12/09/2010US20100307765 Method for using acid gas as lift-gas and to enhance oil recovery from a subsurface formation
12/09/2010US20100307764 Bimetallic Diaphragm for Trapped Fluid Expansion
12/09/2010US20100307759 Systems and methods for producing oil and/or gas
12/09/2010US20100307757 Aqueous solution for controlling bacteria in the water used for fracturing
12/09/2010US20100307756 Geothermal circulation system
12/09/2010US20100307755 Method and apparatus for efficient real-time characterization of hydraulic fractures and fracturing optimization based thereon
12/09/2010US20100307754 Aerosol injection into vadose zone
12/09/2010US20100307753 Methods of Treating Flowback Water
12/09/2010US20100307752 Fluid Treatment Systems, Compositions and Methods for Metal Ion Stabilization in Aqueous Solutions and/or Enhanced Fluid Performance
12/09/2010US20100307751 Cement diffuser for annulus cementing
12/09/2010US20100307750 Squeeze composition for restoring isolation
12/09/2010US20100307749 Tackifying agent pre-coated particulates
12/09/2010US20100307747 Engineered fibers for well treatments
12/09/2010US20100307744 Use of encapsulated chemical during fracturing
12/09/2010US20100307741 Tool for downhole formation evaluation
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