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)
05/2010
05/27/2010US20100126720 Method for providing a preferential specific injection distribution from a horizontal injection well
05/27/2010US20100126719 Increasing oil production
05/27/2010US20100126718 Cement evaluation method and tool
05/27/2010US20100126717 Instrumented formation tester for injecting and monitoring of fluids
05/27/2010US20100126401 Automatic Ice-Vaning Ship
05/27/2010CA2778426A1 Real time downhole intervention during wellbore stimulation operations
05/27/2010CA2744200A1 Systems and methods for operating a plurality of wells through a single bore
05/27/2010CA2743381A1 Apparatus and method for servicing a wellbore
05/27/2010CA2645092A1 Water transfer system
05/26/2010EP2189622A2 Casing valves system for selective well stimulation and control
05/26/2010EP2188489A1 Method and apparatus for fluid loss measurements of wellbore fluids
05/26/2010EP2188488A2 Tubing retrievable injection valve
05/26/2010CN201486542U Detachable layered fracturing technology pipe string
05/26/2010CN201486541U Liquid level flow display device of reagent feeding barrel at mouth of oil well
05/26/2010CN201486540U Injection non-return device for CO2 injection well
05/26/2010CN201486539U Chemical sand control tool remained and plugged underground
05/26/2010CN201486538U Sand prevention pipe string used for open-hole well completion of side-drilled multilateral well and plug-in type acid cleaning filling inner pipe string thereof
05/26/2010CN201486537U Seam filtering sleeve flow control screen pipe provided with fixed supporting object inside
05/26/2010CN201486536U Composite sand control tube with wire wrapped screen cloth
05/26/2010CN201486535U Movable landing oil self-absorption device
05/26/2010CN201486534U Oil extractor with multi-stage deloading device and self-protection mechanism
05/26/2010CN201486533U Energy-saving crude oil pumping unit with vertical gravity and balanced force-bearing triangle
05/26/2010CN201486532U Walking beam-free and energy-saving oil pumping machine
05/26/2010CN201486531U Sand control choke
05/26/2010CN201486530U Novel beam-balanced pumping unit
05/26/2010CN201486529U Longitudinal and transversal bearing rolling tension device of motor of oil pumping unit
05/26/2010CN201486528U Ferris wheel hydraulic oil pumping unit
05/26/2010CN201486527U Weight drop mechanical-control doorframe-type petroleum pumping unit
05/26/2010CN201486526U Biased barbell balancing device of oil pumping unit
05/26/2010CN201486513U Single-open screwed adjustable blanking plug
05/26/2010CN201486509U Oil well steam injection blowout preventer
05/26/2010CN201486495U Screw pump anchor
05/26/2010CN201486486U Novel hydraulic unloading polished rod eye
05/26/2010CN201486484U One-rotation and three-movement operation platform used for continuous oil pipe injection head
05/26/2010CN201486475U Combined pipe column with functions of fracturing pipe column and oil production pipe column
05/26/2010CN1988942B Plant for separating a mixture of oil, water and gas
05/26/2010CN1717531B Method for processing hydrocarbon-containing stratum
05/26/2010CN1708630B Well completion system and method and method for producing hydrocarbon
05/26/2010CN1703566B Cement through side pocket mandrel
05/26/2010CN101715506A hydrocarbons
05/26/2010CN101713966A Oil extractor control system for viscous oil recovery
05/26/2010CN101713284A Over-long threaded heat pipe of sucker rod
05/26/2010CN101713283A A sieve vessel
05/26/2010CN101713282A Long-stroke oil pumping machine support frame system
05/26/2010CN101054968B Hydraulic oil pump
05/26/2010CA2645267A1 Solvent for extracting bitumen from oil sands
05/25/2010US7723264 mixing particles such as ceramic, sand with water to form a treatment fluid, introducing the fluid in a subterranean formation, introducing tetrafluoroethylene an active material into the formation to form a oil-wet coating of active material, facilitates movement of aqueous treatment fluid through well
05/25/2010US7722289 Systems and methods for underground storage of biogas
05/25/2010US7721820 Buffer for explosive device
05/25/2010US7721810 Large inside diameter completion with position indication
05/25/2010US7721807 Method for managing hydrates in subsea production line
05/25/2010US7721805 Method and apparatus to hydraulically bypass a well tool
05/25/2010US7721804 Proppants for gel clean-up
05/25/2010US7721803 Nano-sized particle-coated proppants for formation fines fixation in proppant packs
05/25/2010US7721801 Conveyance device and method of use in gravel pack operation
05/25/2010US7721650 Modular time delay for actuating wellbore devices and methods for using same
05/25/2010CA2621013C A modified process for hydrocarbon recovery using in situ combustion
05/25/2010CA2582695C Method of estimating fracture geometry, compositions and articles used for the same
05/25/2010CA2577651C Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants
05/25/2010CA2561814C Viscoelastic surfactant rheology modification
05/25/2010CA2501839C Hydraulic stepping valve actuated sliding sleeve
05/25/2010CA2455642C Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method
05/25/2010CA2427240C Combined degassing and flotation tank
05/25/2010CA2279654C High resistance grounding systems for oil well electrical systems
05/20/2010WO2010057017A2 Downhole thermal component temperature management system and method
05/20/2010WO2010056648A1 Intake for shrouded electric submersible pump assembly
05/20/2010WO2010056606A2 Thermal recovery of shallow bitumen through increased permeability inclusions
05/20/2010WO2010056605A1 Method and tool for determination of fracture geometry in subterranean formations based on in-situ neutron activation analysis
05/20/2010WO2010056415A1 Systems and methods for dynamically developing wellbore plans with a reservoir simulator
05/20/2010WO2010056408A1 Vessel compressor methods and systems
05/20/2010WO2010056326A1 System and method for producing a well using a gas
05/20/2010WO2010055334A1 Methods and associated apparatus of constructing and installing rigid riser structures
05/20/2010WO2010036926A3 Electrolytic system and method for enhanced radiological, nuclear, and industrial decontamination
05/20/2010WO2010019737A3 In-flow control device utilizing a water sensitive media
05/20/2010WO2009024544A3 Method for virtual metering of injection wells and allocation and control of multi-zonal injection wells
05/20/2010US20100122818 Intake For Shrouded Electric Submersible Pump Assembly
05/20/2010US20100122817 Apparatus and method for servicing a wellbore
05/20/2010US20100122816 Density-Matched Suspensions and Associated Methods
05/20/2010US20100122815 Foamed gel systems for fracturing subterranean formations, and methods for making and using same
05/20/2010US20100122814 Apparatus and Method for Depositing a Slurry in a Well
05/20/2010US20100122812 Single Packer Structure With Sensors
05/20/2010US20100122810 Well screens and method of making well screens
05/20/2010CA2743453A1 System and method for producing a well using a gas
05/20/2010CA2743446A1 Intake for shrouded electric submersible pump assembly
05/20/2010CA2742818A1 Systems and methods for dynamically developing wellbore plans with a reservoir simulator
05/20/2010CA2740649A1 Vessel compressor methods and systems
05/20/2010CA2738824A1 Method and tool for determination of fracture geometry in subterranean formations based on in-situ neutron activation analysis
05/19/2010EP2185791A1 Method for managing production from a hydrocarbon producing reservoir in real-time
05/19/2010EP2185790A2 Multi-position valve for fracturing and sand control and associated completion methods
05/19/2010EP2185785A1 Apparatus for and method of deploying a centralizer installed on an expandable casing string
05/19/2010EP2185665A2 Drilling fluid containing carbon nanotubes
05/19/2010CN201479054U Power supply device applied to onshore oil production machine of solar photovoltaic power generation system
05/19/2010CN201478965U High-efficiency and energy-saving permanent magnet synchronous motor base of oil extractor of oil field
05/19/2010CN201478895U Rotor integrated punching sheet of permanent magnet synchronous motor of oil extractor of oil field
05/19/2010CN201475288U Belt pulley for a pumping device
05/19/2010CN201475249U Jumping teeth V shaped belt for a pumping device
05/19/2010CN201475248U V-shaped driving belt and belt wheel
05/19/2010CN201474947U Oil pump anti-sticking device
05/19/2010CN201474936U Switched reluctance motor screw pump driving device
05/19/2010CN201474928U Oil extraction diaphragm pump
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