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)
09/2010
09/29/2010CN101539011B Fire flood eclectic ignition device
09/29/2010CN101122223B Offshore platform rich natural gas re-injection system
09/29/2010CN101023242B Scale inhibition method
09/28/2010US7803743 comprising oil as external phase, clear brine as internal phase, and emulsifier having an HLB of 3-8 effective to produce stable invert emulsion, external phase of gravel pack carrier fluid further comprising gravel wetting agent having HLB of 4 or less effective to render the gravel oil wet
09/28/2010US7802625 System and method for producing a well using a gas
09/28/2010US7802624 Stabplate connections
09/28/2010US7802623 Method and a device for destruction of organic material in injection water
09/28/2010US7802622 Cable-protective pipe section, a method of protectively arranging at least one cable on the outside of the pipe section and use of a device for protecting the cable
09/28/2010US7802621 Inflow control devices for sand control screens
09/28/2010US7802619 Firing trigger apparatus and method for downhole tools
09/28/2010CA2683054C Latch profile installation in existing casing
09/28/2010CA2662811C Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use
09/28/2010CA2594015C Apparatus and methods to remove impurities at a sensor in a downhole tool
09/28/2010CA2572240C Drilling systems and methods utilizing independently deployable multiple tubular strings
09/28/2010CA2539832C Critical velocity reduction in a gas well
09/28/2010CA2410274C Isolation of subterranean zones
09/27/2010CA2697210A1 Method for completing tight oil and gas reservoirs
09/27/2010CA2659679A1 Gas dehydrator for a well
09/26/2010CA2660227A1 Numerical simulation and economic evaluation of hybrid solvent processes
09/25/2010CA2697417A1 A method for accelerating start-up for steam assisted gravity drainage operations
09/23/2010WO2010107777A1 Integrated production and utilization of synthesis gas
09/23/2010WO2010107726A2 Recovering heavy oil through the use of microwave heating in horizontal wells
09/23/2010WO2010107721A2 Well treatment fluid
09/23/2010US20100238762 Method and Apparatus For Evaluating Submarine Formations
09/23/2010US20100236987 Method for the integrated production and utilization of synthesis gas for production of mixed alcohols, for hydrocarbon recovery, and for gasoline/diesel refinery
09/23/2010US20100236790 Control of well tools utilizing downhole pumps
09/23/2010US20100236789 System and method for producing a well using a gas
09/23/2010US20100236788 Drive head assembly for a fluid conveyor system
09/23/2010US20100236787 Well Release System and Method
09/23/2010US20100236784 Miscible stimulation and flooding of petroliferous formations utilizing viscosified oil-based fluids
09/23/2010US20100236783 situ extraction process for the recovery of hydrocarbons
09/23/2010US20100236781 Method and apparatus for perforating multiple wellbore intervals
09/23/2010US20100236779 Apparatus and Method for Use with Alternate Path Sand Control Completions
09/23/2010US20100236778 Method for reducing thermal loss in a formation
09/23/2010US20100236774 Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly
09/22/2010EP2230378A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
09/22/2010EP2229504A2 Oilfield area network communication system and method
09/22/2010EP2229503A2 Apparatus and methods for controlling and communicating with downhole devices
09/22/2010EP2229502A2 Dewatering of silicate wellbore fluids
09/22/2010CN201590982U Desert linear pumping unit high-temperature resistant electric control cabinet
09/22/2010CN201588802U Modular protector for function conversion of electric submersible pump
09/22/2010CN201588626U Double-system longitudinal shock absorber
09/22/2010CN201588625U Natural gas metering and separating device
09/22/2010CN201588623U Monoblock type polluted oil recoverer used for oil field/station
09/22/2010CN201588622U Oil production device capable of absorbing gaseous carbon dioxide from boiler flue gas through pressure swing absorption for well injection
09/22/2010CN201588621U Intelligent type closed small-size movable water injection device
09/22/2010CN201588620U Eccentric water distributor without throwing and dragging
09/22/2010CN201588619U Connection structure of hydraulic cylinder left and right cylinder barrels
09/22/2010CN201588618U Hydraulic automatic pressure regulating device
09/22/2010CN201588617U Radial-inserted radial current-limit type restrictor and balance sieve tube with the restrictor
09/22/2010CN201588616U Radial-rotating axial-restricting type choke holder and balancing sieve tube employing same
09/22/2010CN201588615U Axial disassembly and radial current-limiting type choke holder and balanced sieve tube with same
09/22/2010CN201588614U Axial inserting and axial current-limiting type choke holder and balanced sieve tube with same
09/22/2010CN201588613U Radial-plugging radial-restricting choke holder and balancing sieve tube employing same
09/22/2010CN201588612U Detonating fuse locking mechanism for perforating gun carrier
09/22/2010CN201588611U Ball-injection compression initiation device for patch hole of gas well
09/22/2010CN201588610U Single-joint oil pipe transportation perforating gun
09/22/2010CN201588609U Special screen casing for thermal production well
09/22/2010CN201588608U Flow control screen pipe
09/22/2010CN201588607U Composite filter sieve tube
09/22/2010CN201588606U Sand control screen pipe
09/22/2010CN201588605U Coalbed gas ground processing apparatus
09/22/2010CN201588604U Module structure used for ground gas collection of coal bed gas collecting station
09/22/2010CN201588603U Belt adjustment and transmission torque testing device
09/22/2010CN201588602U 节能液压抽油机 Energy-saving hydraulic pumping unit
09/22/2010CN201588601U Double-well column-type oil pumping device
09/22/2010CN201588600U Dedicated energy-saving device for oil pumping unit in oil field
09/22/2010CN201588583U Universal well mouth used for steam infusing, heat collecting, and burglary prevention
09/22/2010CN201588581U Injection, production and monitoring multi-pipe string thermal production well head device
09/22/2010CN201588563U Multi-cylinder driven underwater connector with adjustable interface
09/22/2010CN201587354U Intelligent automatic liquid distribution car
09/22/2010CN201586440U Reverse cooing, deoiling and drying integrated joint liquid-gas separating equipment
09/22/2010CN1867753B Method for delivering a multi-phase mixture and pump installation
09/22/2010CN101842551A Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants
09/22/2010CN101842550A Injection plane initiation in a well
09/22/2010CN101842549A Systems and methods for producing oil and/or gas
09/22/2010CN101842548A Method of radially expanding a tubular element
09/22/2010CN101842547A Oil well pump apparatus
09/22/2010CN101839128A Method for stabilizing active hydrogen sulfide in sulfur-containing oil-gas well
09/22/2010CN101839127A Exploitation method of thick oil type oil deposit
09/22/2010CN101839126A Method for increasing production by compounding microorganism and biologically active agent
09/22/2010CN101839125A Pressurized water injection device
09/22/2010CN101839124A Method for controlling extension of reservoir fracturing fracture of oil-gas field
09/22/2010CN101839123A Exploitation method for wax precipitation oil reservoir
09/22/2010CN101839122A Dynamic oil well sand control screen tube and manufacturing method thereof
09/22/2010CN101839121A Gas anchor type dual-flushing impurity screening sieve tube
09/22/2010CN101839120A Tower type oil pumping unit device of single-face tooth-shaped chain
09/22/2010CN101839119A Double-faced toothed chain tower-type pumping unit
09/22/2010CN101839118A Pumping unit chain and chain drive pumping unit
09/22/2010CN101838620A Bacillus subtilis and alkali-resisting and salt-resisting oil field fracturing enzyme and application thereof
09/22/2010CN101660403B Mining method of sodium sulphate ore
09/22/2010CN101057059B Method for installing horizon catheter used for aborsbing sea water
09/21/2010US7799743 Lost circulation additive for drilling fluids
09/21/2010US7798233 Overpressure protection device
09/21/2010US7798228 Liquid breaker for acid fracturing fluids
09/21/2010US7798227 Methods for placing multiple stage fractures in wellbores
09/21/2010US7798224 Rheology controlled heterogeneous particle placement in hydraulic fracturing
09/21/2010US7798223 Bore isolation
09/21/2010US7798222 Expandable fluid cement sand control
09/21/2010US7798221 In situ recovery from a hydrocarbon containing formation
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