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)
04/2010
04/14/2010EP2173832A2 Method for recovering crude oil from a subterranean formation
04/14/2010CN201437768U Liquid-discharge process unit for power pump of hydraulic oil pipe
04/14/2010CN201437722U Current collector capable of automatically controlling separation of gas for measuring production profile of oil well
04/14/2010CN201437721U Gas generator with oil sprayer
04/14/2010CN201437720U Proportional-control injecting system
04/14/2010CN201437719U Intelligent water distributor for water injection well
04/14/2010CN201437718U Intermediate joint transmission blasting device of full-sized perforator
04/14/2010CN201437717U Underground sand-prevention throttleer
04/14/2010CN201437716U Oil-storage mat-type concrete production platform in shallow sea
04/14/2010CN201437715U Low-frequency-stroke oil-extractor reducer with lubricating system
04/14/2010CN201437714U Power balance oil extractor
04/14/2010CN201437696U Novel practical multifunction oil extractor polished rod eye
04/14/2010CN1932235B Oil collecting casing connecting device
04/14/2010CN101694153A Bed boundary acoustic scan measuring-while-drilling device and method
04/14/2010CA2659302A1 Nuclear assisted hydrocarbon production method
04/14/2010CA2641778A1 Method and apparatus for use in selectively fracing a well
04/13/2010US7696134 Unsaturated fatty acids and mineral oils as internal breakers for VES-gelled fluids
04/13/2010US7696132 Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material
04/13/2010US7695629 Microfluidic separator
04/13/2010US7694741 Wellbore system and method for producing fluid
04/13/2010US7694736 Integrated system and method for steam-assisted gravity drainage (SAGD)-heavy oil production to produce super-heated steam without liquid waste discharge
04/13/2010US7694731 Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids
04/13/2010CA2828846A1 Compliant expansion swage
04/13/2010CA2682426A1 Compliant expansion swage
04/13/2010CA2670129C In situ recovery from a hydrocarbon containing formation
04/13/2010CA2588065C A method and a device for solvent injection in a subsurface well
04/13/2010CA2559833C Method for the in place recovery of heavy oil from a subterranean deposit
04/13/2010CA2537327C Flow control
04/13/2010CA2511249C Method for drilling a lateral wellbore with secondary fluid injection
04/13/2010CA2495508C Charge holder apparatus
04/13/2010CA2464669C Electrochemical process for effecting redox-enhanced oil recovery
04/13/2010CA2459910C Adjustable expansion cone assembly
04/13/2010CA2449664C In-situ casting of well equipment
04/13/2010CA2432160C Well treatment fluid compositions and methods for their use
04/09/2010CA2681703A1 Method of enhancing fracture conductivity
04/09/2010CA2681257A1 Method for sub-glacial mineral reconnaissance and recovery
04/08/2010WO2010039818A2 Carbon sequestration in depleted oil shale deposits
04/08/2010WO2010039694A2 Method and apparatus for sealing a hole made with a cased hole formation tester
04/08/2010WO2010039061A1 Method for determining the current condensate saturation in the bottomhole zone of a well in a gas condensate reservoir bed
04/08/2010WO2010039060A1 Method for determining the current gas saturation in the bottomhole zone of a well in a volatile oil deposit
04/08/2010WO2010037993A2 Methods and equipment to improve reliability of pinpoint stimulation operations
04/08/2010WO2010012771A3 Traveling undercut solution mining systems and methods
04/08/2010WO2010002841A3 Liquid rod pump
04/08/2010WO2010002693A3 Systems and methods for producing oil and/or gas
04/08/2010WO2009151684A3 Temperature triggered actuator
04/08/2010US20100087339 Compositions and methods for inhibiting the agglomeration of hydrates in a process
04/08/2010US20100084137 Methods and Equipment to Improve Reliability of Pinpoint Stimulation Operations
04/08/2010US20100084134 Fracturing method and apparatus utilizing gelled isolation fluid
04/08/2010US20100084133 Apparatus and methods for allowing fluid flow inside at least one screen and outside a pipe disposed in a well bore
04/08/2010US20100084131 Reservoir management linking
04/08/2010CA2738920A1 Carbon sequestration in depleted oil shale deposits
04/08/2010CA2681987A1 Ball seat sub
04/07/2010EP2172618A2 Actuating downhole devices in a wellbore
04/07/2010EP2172616A2 Umbilical termination assemblies
04/07/2010EP2171806A1 High pressure, high voltage penetrator assembly
04/07/2010EP2171382A2 Method and apparatus for cooling a gaseous hydrocarbon stream
04/07/2010EP2171093A1 Biological enhancement of hydrocarbon extraction
04/07/2010EP2170547A1 Manufacturing of sand screens
04/07/2010CN201436368U Electrical heating oil well double-packing box sealing device
04/07/2010CN101691839A Ultra-low resistance acid-type microemulsion plugging removal and stimulation technology for low permeability oil well
04/07/2010CN101691838A Ultralow permeability oil filed water injection well multicomponent chemical microemulsion pressure reduction and injection gain method
04/07/2010CN101691837A Detonation energization explosion-propagating device for perforating gun string
04/07/2010CN101691836A Hydraulic petroleum pumping unit with secondary balance weight structure
04/07/2010CN101691835A Layered high-pressure high-resolution adjustable water injection valve in oilfield
04/07/2010CN101690865A Moisture recycling supersonic speed gas-purification separation device
04/07/2010CN101089362B Improved steam oil production method
04/06/2010US7691790 Composition and process for enhanced oil recovery
04/06/2010US7690434 Offshore vessel mooring and riser inboarding system
04/06/2010US7690429 Methods of using a swelling agent in a wellbore
04/06/2010US7690428 Perforating torch apparatus and method
04/06/2010US7690426 Method of repairing failed gravel packs
04/06/2010US7690306 Use of barite in perforating devices
04/06/2010CA2681823A1 Hydrocarbon recovery process for fractured reservoirs
04/06/2010CA2669786C In situ recovery from a hydrocarbon containing formation
04/06/2010CA2639997A1 Hydrocarbon recovery process for fractured reservoirs
04/06/2010CA2576896C Carbon dioxide enriched flue gas injection for hydrocarbon recovery
04/06/2010CA2546527C Perforating optimized for stress gradients around the wellbore
04/06/2010CA2504547C Internal shock absorber plunger
04/06/2010CA2438561C Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal
04/06/2010CA2434613C Viscoelastic compositions
04/06/2010CA2407022C In situ recovery from a hydrocarbon containing formation
04/06/2010CA2357844C Methods of reducing subterranean formation water permeability
04/06/2010CA2306012C Method of retarding sand build up in heavy oil wells
04/01/2010WO2010036792A2 Method, device, and system for determining water or liquid in the annulus of a flexible riser or flowline
04/01/2010WO2010036756A2 Method for evaluation, design and optimization of in-situ bioconversion processes
04/01/2010WO2010036620A2 Method and composition for determining hardness in wellbore fluid filtrate
04/01/2010WO2010036547A2 Pressure relieving transition joint
04/01/2010WO2010034325A1 Gas-liquid separator
04/01/2010WO2010034113A1 Injection of liquid into boreholes, with suckback pulsing
04/01/2010WO2010016770A3 Hydrocarbon production system, method for performing clean-up and method for controlling flow
04/01/2010WO2010014382A3 Adjustable hanger for inner production riser
04/01/2010WO2010011804A3 Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems
04/01/2010WO2010011520A3 Steam driven turbine drive
04/01/2010WO2010009282A3 Completion assembly
04/01/2010WO2009149255A3 Fixed swirl inducing blast liner
04/01/2010WO2009050518A3 Method and device
04/01/2010US20100078218 Drilling and opening reservoirs using an oriented fissure to enhance hydrocarbon flow
04/01/2010US20100078177 Electrical Submersible Pump With Equally Loaded Thrust Bearings
04/01/2010US20100078172 Oil Recovery by In-Situ Cracking and Hydrogenation
04/01/2010US20100078171 Method and apparatus for sealing a hole made with a cased hole formation tester
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