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
04/01/2010US20100078170 Method and apparatus for forming and sealing a hole in a sidewall of a borehole
04/01/2010US20100078169 Methods of Treating Suberranean Formation To Convert Organic Matter Into Producible Hydrocarbons
04/01/2010US20100078168 Method for enhanced recovery of oil from oil reservoirs
04/01/2010US20100078167 Energy efficient, low emissions shale oil recovery process
04/01/2010US20100078166 Tubing expansion
04/01/2010US20100078163 Process for enhanced production of heavy oil using microwaves
04/01/2010US20100078162 Identification, characterization, and application of thauera sp. al9:8 useful in microbially enhanced oil recovery
04/01/2010CA2738637A1 Method for evaluation, design and optimization of in-situ bioconversion processes
04/01/2010CA2738052A1 Injection of liquid into boreholes, with suckback pulsing
04/01/2010CA2736804A1 Pressure relieving transition joint
03/2010
03/31/2010EP2169177A1 Smooth bore latch for tie back receptacle extension
03/31/2010EP2167788A1 Bellows valve
03/31/2010CN201433756Y Acid-etched fracture flow diversion instrument
03/31/2010CN201433755Y Deep well gas injection supercharging mechanical oil production device
03/31/2010CN201433754Y Portable airtight chemical inlet facility for oil well casing
03/31/2010CN201433753Y Multi-cylinder adjustable injecting device for hydraulic plunger piston
03/31/2010CN201433752Y Carbon dioxide liquefaction well injection oil production apparatus for boiler flue gas recovery
03/31/2010CN201433751Y Full gaseous state well injection oil production apparatus for boiler flue gas recovery
03/31/2010CN201433750Y Intelligent frequency conversion control system of oil pumping unit
03/31/2010CN201433749Y Pumping unit horse head of anti-collision polished rod
03/31/2010CN201433748Y Multi-rope compensating lever lifting vertical oil extractor
03/31/2010CN201433747Y Vine pipe device for oil and gas wells
03/31/2010CN201433746Y Constant working fluid level control structure of beam pumping unit
03/31/2010CN201433745Y Wheeled oil pumping unit
03/31/2010CN201433744Y Auxiliary reduction gear of oil pumping unit in oil field
03/31/2010CN201433727Y Anti-release device for feed rod of oil pumping unit
03/31/2010CN201433713Y Downhole branching device capable of realizing downhole mechanical and hydraulic seal for branch well
03/31/2010CN101688443A Perforation strategy for heterogeneous proppant placement in hydralic fracturing
03/31/2010CN101688441A Producing resources using heated fluid injection
03/31/2010CN101688440A Gas valve and production tubing with a gas valve
03/31/2010CN101688439A Christmas tree with internally positioned flowmeter
03/31/2010CN101684728A Gas injection steam umbrella of horizontal well
03/31/2010CN101684727A Optimization method for determining proportion of mixing light oil into heavy oil of ultra-deep well and light hydrocarbon mixer thereof
03/31/2010CN101684726A Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same
03/31/2010CN101684722A Method for manufacturing well-head mating device of oil field water injection development well
03/30/2010US7686100 Technique and apparatus for drilling and completing a well in one half trip
03/30/2010US7686089 Hanging apparatus and method
03/30/2010US7686084 Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same
03/30/2010US7686082 Full bore cementable gun system
03/30/2010US7686081 Squeeze process for reactivation of well treatment fluids containing diatomaceous earth
03/30/2010US7686080 Acid-generating fluid loss control additives and associated methods
03/30/2010US7686079 Method for removing silica from evaporator concentrate
03/30/2010US7686075 Downhole pump assembly and method of recovering well fluids
03/30/2010US7686074 Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges
03/30/2010CA2681646A1 A method of hydraulic fracturing
03/30/2010CA2681527A1 A method of gravel packing a well
03/30/2010CA2669788C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2669779C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2669559C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2637696C Self-diverting resin systems for sand consolidation
03/30/2010CA2499901C Remote intervention logic valving method and apparatus
03/30/2010CA2466582C Well screen assembly
03/30/2010CA2434234C Powdered viscoelastic surfactant composition
03/29/2010CA2680992A1 Tagged particles for downhole application
03/26/2010CA2639851A1 A method of controlling growth and heat loss of an in situ gravity drainage chamber formed with a condensing solvent process
03/25/2010WO2010033716A2 Method for optimizing well production in reservoirs having flow barriers
03/25/2010WO2010031804A2 Polymer gels as flow improvers in water injection systems
03/25/2010WO2010014378A3 Open/close outlet internal hydraulic device
03/25/2010WO2010009025A3 Fracturing method for subterranean reservoirs
03/25/2010WO2009155243A3 Downhole shut off assembly for artificially lifted wells
03/25/2010WO2009150402A3 Method of enhancing treatment fluid placement in shale, clay, and/or coal bed formations
03/25/2010WO2009147446A3 Gas injection control devices and methods of operation thereof
03/25/2010WO2008151316A3 Downhole swaging system and method
03/25/2010US20100071907 Accumulator for subsea equipment
03/25/2010US20100071906 System and method for simultaneous sea drilling operations
03/25/2010US20100071905 Pressure Relieving Transition Joint
03/25/2010US20100071904 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations
03/25/2010US20100071903 Mines and tunnels for use in treating subsurface hydrocarbon containing formations
03/25/2010US20100071902 Method of making proppants used in gas or oil extraction
03/25/2010US20100071901 Sintered proppant made with a raw material containing alkaline earth equivalent
03/25/2010US20100071900 Drainage of heavy oil reservoir via horizontal wellbore
03/25/2010US20100071899 Wellsite Surface Equipment Systems
03/25/2010US20100071897 Method for optimizing well production in reservoirs having flow barriers
03/25/2010US20100071894 Electromagnetic based system and method for enhancing subsurface recovery of fluid within a permeable formation
03/25/2010US20100071893 Polymers and Nanoparticles Formulations With Shear-Thickening and Shear-Gelling Properties for Oilfield Applications
03/25/2010DE102008047219A1 Verfahren zur Förderung von Bitumen und/oder Schwerstöl aus einer unterirdischen Lagerstätte, zugehörige Anlage und Betriebsverfahren dieser Anlage A method for extraction of bitumen and / or heavy oil from a subterranean formation, associated plant and operating procedures of this plant
03/25/2010CA2737377A1 Polymer gels as flow improvers in water injection systems
03/25/2010CA2737205A1 Method for optimizing well production in reservoirs having flow barriers
03/24/2010EP2165045A1 Hydrocarbons
03/24/2010EP2165044A1 Perforation strategy for heterogeneous proppant placement in hydralic fracturing
03/24/2010CN201430494Y Slip pipe type motor slide rail
03/24/2010CN201428443Y Novel high-pressure one-way water injector
03/24/2010CN201428442Y Automatic downhole flow-balancing water injector for oil fields
03/24/2010CN201428441Y Gas injection dispenser for horizontal wells
03/24/2010CN201428440Y Minor-diameter downhole throttling device for gas well
03/24/2010CN201428439Y Energy-increased explosion enlargement type perforating gun single connector
03/24/2010CN201428438Y Swirl oil-extraction sand-prevention pipe
03/24/2010CN201428437Y Rope suspender guiding device of linear pumping unit
03/24/2010CN201428436Y Wellhead self-abdicating device of linear pumping unit
03/24/2010CN201428435Y Automatic folding device of directive wheel of linear pumping unit
03/24/2010CN201428434Y Energy-saving oil extractor
03/24/2010CN201428433Y Shutdown operation safety voice prompting device for pumping well
03/24/2010CN201428432Y Chain transmission system for chain type pumping units
03/24/2010CN201428428Y Sand setting type flushing valve
03/24/2010CN201428401Y Pumping unit buffer discontinuous load rope suspending device
03/24/2010CN101680869A Method and apparatus for obtaining heavy oil samples from a reservoir sample
03/24/2010CN101680296A Apparatus, system, and method for determining injected fluid vertical placement
03/24/2010CN101680294A Utilization of low btu gas generated during in situ heating of organic-rich rock
03/24/2010CN101680293A A process for producing hydrocarbon fluids combining in situ heating, a power plant and a gas plant
03/24/2010CN101680292A Parallel heater system for subsurface formations
1 ... 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 ... 642