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)
11/2009
11/26/2009US20090288818 Passive gas separator for progressing cavity pumps
11/26/2009CA2725414A1 System and method for densely packing wells using magnetic ranging while drilling
11/26/2009CA2725184A1 Apparatus and method for raising a fluid in a well
11/26/2009CA2724402A1 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids
11/26/2009CA2723575A1 Radio and microwave treatment of oil wells
11/26/2009CA2722452A1 Field management for substantially constant composition gas generation
11/25/2009EP2122124A1 Subterannean water production, transfer and injection method and apparatus
11/25/2009EP2122123A1 Method and device for the in-situ extraction of a hydrocarbon-containing substance, while reducing the viscosity thereof, from an underground deposit
11/25/2009EP2122122A1 Casing valves system for selective well stimulation and control
11/25/2009CN201351489Y Titled boy top closing plate of mobile membrane separation nitrogen making and filling device
11/25/2009CN201351488Y Anti-sticking casing and fishing-free double-channel water distributor
11/25/2009CN201351487Y Bridge type eccentric injection mandrel
11/25/2009CN201351486Y Sedimentation cup type oil draining device
11/25/2009CN201351485Y Equipment used for perforating column
11/25/2009CN201351484Y Novel stander upright post of steel rope oil sucking machine
11/25/2009CN201351483Y Multifunctional automatic aligning elevator for sucker rod of oil sucking machine
11/25/2009CN201351482Y Adjustable traction beam for wire-line pumping unit
11/25/2009CN201351481Y Gear direct drive walking-beam type oil extractor
11/25/2009CN201350453Y Special-purpose spray head for removing blockage of oil channel of reduction box of pumping unit
11/25/2009CN101586458A Energy saving and efficiency increasing system for output well and (or) injection well
11/25/2009CN101586457A Complex oil displacing method suitable for large well spacing condition of offshore oil field
11/25/2009CN101586456A Open type gearwheel energy-saving walking beam pumping unit
11/25/2009CN101586453A Rapid installation device and usage method for vibrating screen sieve
11/25/2009CN101586024A Kind of laminated granule for oil extraction, proppant and oil extraction method using the proppant
11/25/2009CN101585138A Device and method for efficiently assembling filter sleeve and base tube
11/25/2009CN101585135A Folding device and method capable of assembling a plurality of filter sleeves on base tube at one time
11/25/2009CN101585128A Circular seam welder
11/25/2009CN100562645C High pressure water jet-flow deep penetrating perforating and its auxiliary crushing method and apparatus
11/24/2009US7622427 Water and rheology modifier and/or fluid loss control agent, and additive, inorganic salts, shale stabilizers, corrosion inhibitors, weighting agents, and finely divided clay particles
11/24/2009US7621570 Pre-expanded connector for expandable downhole tubulars
11/24/2009US7621342 Method for retaining debris in a perforating apparatus
11/24/2009US7621339 Downhole production and injection pump system
11/24/2009US7621335 fracturing an underground formation to reduce viscosity of a well treating fluid; use the encapsulated peroxide selected from calcium peroxide, magnesium peroxide and zinc peroxide to complete break down, degrading the polyacrylamide
11/24/2009US7621334 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
11/24/2009US7621332 Apparatus and method for perforating and fracturing a subterranean formation
11/24/2009US7621330 Methods of using a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore
11/24/2009US7621329 Methods of pumping fluids having different concentrations of particulate at different average bulk fluid velocities to reduce pump wear and maintenance in the forming and delivering of a treatment fluid into a wellbore
11/24/2009US7621328 Methods of pumping fluids having different concentrations of particulate with different concentrations of hydratable additive to reduce pump wear and maintenance in the forming and delivering of a treatment fluid into a wellbore
11/24/2009US7621326 Petroleum extraction from hydrocarbon formations
11/24/2009US7621324 Automated flowback and information system
11/24/2009US7621323 Solid expandable tubular members formed from very low carbon steel and method
11/24/2009CA2602878C Subterranean system and method for treating and producing oil
11/24/2009CA2474517C Expansion apparatus for use in a wellbore
11/24/2009CA2436456C Thermal generator for downhole tools
11/24/2009CA2418090C Hydraulic fracturing fluid containing viscoelastic branched chain surfactant
11/20/2009CA2671293A1 Mitigation of elemental sulfur deposition during production of hydrocarbon gases
11/19/2009WO2009140593A2 Continuous fibers for use in hydraulic fracturing applications
11/19/2009WO2009140591A2 Continuous fibers for use in well completion, intervention, and other subterranean applications
11/19/2009WO2009140313A1 Methods to stimulate biogenic methane production from hydrocarbon-bearing
11/19/2009WO2009140004A2 A device and system for well completion and control and method for completing and controlling a well
11/19/2009WO2009139636A1 Assembly of flexible riser systems
11/19/2009WO2009120980A3 Selectively angled perforating
11/19/2009US20090285700 Low rate hydraulic artificial lift
11/19/2009US20090283280 Hydraulic open hole packer
11/19/2009US20090283278 Strokable liner hanger
11/19/2009US20090283277 Configurable wellhead system with permanent fracturing spool and method of use
11/19/2009US20090283275 Flow Control Device Utilizing a Reactive Media
11/19/2009US20090283273 Well construction and completion
11/19/2009US20090283272 Pipeless sagd system and method
11/19/2009US20090283268 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
11/19/2009US20090283267 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
11/19/2009US20090283264 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
11/19/2009US20090283262 Downhole flow control device and method
11/19/2009US20090283261 Continuous fibers for use in well completion, intervention, and other subterranean applications
11/19/2009US20090283257 Radio and microwave treatment of oil wells
11/19/2009DE112007002575T5 Mit abbaubarem Material unterstützte Umleitung With degradable material supported redirection
11/19/2009CA2724164A1 Methods of initiating intersecting fractures using explosive and cryogenic means
11/19/2009CA2724080A1 Internal breakers for viscoelastic surfactant fluids
11/19/2009CA2724074A1 Methods to stimulate biogenic methane production from hydrocarbon-bearing formations
11/18/2009EP2119867A2 Monobore construction with dual expanders
11/18/2009EP2118738A2 Method, system and program storage device for history matching and forecasting of hydrocarbon-bearing reservoirs utilizing proxies for likelihood functions
11/18/2009EP2118438A2 Silicate-based wellbore fluid and methods for stabilizing unconsolidated formations
11/18/2009EP2118437A2 Reservoir stimulation while running casing related applications
11/18/2009EP2118233A2 Treatment fluids comprising diutan and associated methods
11/18/2009EP2035656B1 Method for sealing the walls of deep drilled hole
11/18/2009CN201347850Y Mixed defueling pump
11/18/2009CN201347774Y Alarming and protecting controller for the runout of pin shaft of oil pumping unit
11/18/2009CN201347747Y Rapid dirt remover special for oil field return injecting water
11/18/2009CN201347746Y Downhole heat tracing device
11/18/2009CN201347745Y Polymer flooding casing-deformation small-diameter separate zone injection tubular column
11/18/2009CN201347744Y Sleeve type well flushing device
11/18/2009CN201347743Y Oil well level automatic measurement device
11/18/2009CN201347742Y Sand prevention device for liquid level meter of oil-gas separator
11/18/2009CN201347741Y Oil enhancing device of a pumping device
11/18/2009CN201347740Y Oil enhancing device of a pumping device
11/18/2009CN201347739Y Underground release switch
11/18/2009CN201347738Y Oil pumping state converting and enhancing device
11/18/2009CN101583775A Process and apparatus for enhanced hydrocarbon recovery
11/18/2009CN101581317A Thick oil paraffin removal device for screw pump electric heating oil pipe
11/18/2009CN101581293A Self-lubricating string for rod and tubing wear prevention and sucker rod pumping of inclined wells
11/18/2009CN101581213A Method for extinguishing underground gasification furnace with steam
11/18/2009CN101581212A Method for extinguishing underground gasification furnace by spraying mist
11/18/2009CN101581211A Method for comprehensively extinguishing underground gasification furnace
11/18/2009CN101581210A Method for extinguishing underground gasification furnace by charging nitrogen
11/18/2009CN101581209A Auto-control symmetrical-steam-bleeding pipeline and use method thereof
11/18/2009CN101581208A Water injector for automatically balancing downhole flow of oilfield
11/18/2009CN101581207A Electric water distribution measurement and adjustment instrument of single-layer shunt detection
11/18/2009CN101581206A Multiple-stroke flexible beam pumping unit
11/18/2009CN101581204A Buffering sudden-change load rope suspension device of oil pumping machine
11/18/2009CN101580705A Foaming agent with low gas liquid ratio foam for common heavy oil reservoir and injection method thereof
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