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)
10/2010
10/21/2010CA2764281A1 Downhole draw-down pump and method
10/21/2010CA2758790A1 Open hole frac system
10/21/2010CA2758788A1 Slickline conveyed bottom hole assembly with tractor
10/21/2010CA2755911A1 Improved heat transfer through electrical submersible pump motor
10/20/2010EP2240667A2 Method and system for generating energy with gas
10/20/2010CN201610750U 石油钻井液中重晶石回收再利用系统 Oil drilling barite recycling system
10/20/2010CN201610749U 油田注水井变频电磁增注装置 Frequency electromagnetic field injection wells augmented injection device
10/20/2010CN201610748U 一种投球式滑套筛管装置 One kind of pitching style sleeve screen device
10/20/2010CN201610747U 套管气回收井口装置 Wellhead casing head gas recycling
10/20/2010CN201610746U 倍力变径塔架式抽油机 Bally adjustable shelf tower pumping
10/20/2010CN201610745U 游梁式抽油机铁削合成配重块 Beam pumping iron cut synthetic counterweight
10/20/2010CN201610744U 简式曳引抽油机 Simple traction pumping
10/20/2010CN101868593A Method of drilling a wellbore
10/20/2010CN101867344A Ceaseless intelligent power saving device
10/20/2010CN101866145A Intelligent well simulation experiment device
10/20/2010CN101865450A Offshore platform thermal recovery fuel oil or fuel gas steam injection boiler
10/20/2010CN101865102A Automatic hydraulic augmented injection pump
10/20/2010CN101864949A Test device and method for simulating acid etching crack flow guide capability
10/20/2010CN101864948A Fracturing acidification working solution dynamic filtration loss instrument
10/20/2010CN101864947A Method and device for simulating formation temperature in multi-element thermal fluid injected oil extraction three-dimensional simulation test
10/20/2010CN101864942A Remote automatic control technology of oxygen-enriched autogenous ignition and electric ignition in vertical well and horizontal well
10/20/2010CN101864941A Ultra-deep coal underground gasification technology
10/20/2010CN101864940A Underground coal gasification poly-generation closed operation technology
10/20/2010CN101864939A Acid-fracturing method for leading crack to extend downward
10/20/2010CN101864938A Underground ignition technology of combustion drive oil layer by injecting steam
10/20/2010CN101864937A Process for exploiting ocean gas hydrate by utilizing terrestrial heat
10/20/2010CN101864936A Authigenic carbon dioxide oil displacement recovery ratio technology in oil layer
10/20/2010CN101864935A Technique of carbon dioxide compound multi-term flood for reforming oil layer by oil blockage layer crack
10/20/2010CN101864934A Supercharging gas recovery method for two-stage ejector of gas field
10/20/2010CN101864933A Method for reducing pressure in a perforating gun
10/20/2010CN101864932A Large-discharge electric submerged screw pump oil extracting equipment
10/20/2010CN101864931A Discharge assisting and liquid increasing device of oil pumping machine
10/20/2010CN101864930A Donkey head side rotating device of beam-pumping unit
10/20/2010CN101864926A Equipment and process for heating output crude oil by using oil field produced water heat pump
10/20/2010CN101864921A Well completion and oil production string of horizontal well and well completion and oil production processes thereof
10/20/2010CN101864910A Oil-extracting well outlet pipeline with heat-insulating device
10/20/2010CN101864904A Operation device for stripping sucker rod at pressure
10/19/2010US7816305 comprises hydrophobic portion and nitrogen-containing functional group capable of reacting with carbon dioxide to form salt, such as alkylated imidazoline; an alkylated guanidine; an alkylated monoethanolamine; an alkylated diethanolamine; gravel packs; shear thinning
10/19/2010US7814982 Downhole non-return valve and method
10/19/2010US7814981 Fracture valve and equalizer system and method
10/19/2010US7814980 placing into a subterranean formation via a well bore penetrating the subterranean formation at a desired pressure; use for well bore cleanout, removal of drilling fluid residue
10/19/2010US7814978 Casing expansion and formation compression for permeability plane orientation
10/19/2010US7814977 Installation for enhanced oil recovery using water-soluble polymers and method of implementing
10/19/2010US7814976 Flow control device and method for a downhole oil-water separator
10/19/2010US7814975 Heavy oil recovery with fluid water and carbon dioxide
10/19/2010US7814974 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
10/19/2010US7814973 Sand control screen assembly and method for use of same
10/19/2010US7814968 Gravity drainage apparatus
10/19/2010CA2689806C Self-diverting resin systems for sand consolidation
10/19/2010CA2617279C Methods of forming packs in a plurality of perforations in a casing of a wellbore
10/19/2010CA2570378C One trip well apparatus with sand control
10/19/2010CA2541416C Shunt tube connector lock
10/19/2010CA2454407C A bending-restricting anchoring arrangement and an anchored flexible pipe structure
10/19/2010CA2407125C Method for the production of hydrocarbons and synthesis gas from a hydrocarbon-containing formation
10/19/2010CA2350047C Pump drive head with stuffing box
10/17/2010CA2700947A1 Method and apparatus for freeze-thaw well stimulation using orificed refrigeration tubing
10/16/2010CA2700958A1 Pulse stimulation tool and method of use
10/14/2010WO2010118351A1 Electrical submersible pumping system with gas separation and gas venting to surface in separate conduits
10/14/2010WO2010118294A2 Apparatus and for the recovery of hydrocarbonaceous and additional products from oil/ tar sands
10/14/2010WO2010118151A2 Well screen with drainage assembly
10/14/2010WO2010118143A1 Well screen assembly with multi-gage wire wrapped layer
10/14/2010WO2010118139A2 Securing layers in a well screen assembly
10/14/2010WO2010117724A2 Well screens constructed utilizing pre-formed annular elements
10/14/2010WO2010117366A1 Apparatus and methods for the recovery of hydrocarbonaceous and additional products from oil shale and oil sands
10/14/2010WO2010117265A2 Use of underground gas storage to provide a flow assurance buffer between interlinked processing units
10/14/2010WO2010116117A1 Viscoelastic surfactants and methods of making and using same
10/14/2010WO2010086658A3 Electric submersible pump, tubing and method for borehole production
10/14/2010WO2010083095A3 Cold flow center and centers
10/14/2010WO2010080636A3 Hydraulic unloading valve
10/14/2010WO2010068833A3 Electrical submersible pump system connection adapter
10/14/2010US20100261623 Corrosion inhibitor compositions comprising an aldehyde and a thiol and/or an amine functionalized ring structure and associated methods
10/14/2010US20100258321 Active positioning of downhole devices using spherical motors
10/14/2010US20100258317 Apparatus and methods for the recovery of hydrocarbonaceous and additional products from oil shale and oil sands
10/14/2010US20100258316 Apparatus and methods for adjusting operational parameters to recover hydrocarbonaceous and additional products from oil shale and sands
10/14/2010US20100258315 Apparatus and methods for the recovery of hydrocarbonaceous and additional products from oil/ tar sands
10/14/2010US20100258313 Invert silicate fluids for wellbore strengthening
10/14/2010US20100258311 Casing Patch and Seal
10/14/2010US20100258309 Heater assisted fluid treatment of a subsurface formation
10/14/2010US20100258308 Water Integration Between An In-Situ Recovery Operation And A Bitumen Mining Operation
10/14/2010US20100258307 Drilling composition, process for its preparation, and applications thereof
10/14/2010US20100258306 Electrical submersible pumping system with gas separation and gas venting to surface in separate conduits
10/14/2010US20100258305 Method for recovery of stranded oil
10/14/2010US20100258304 In-situ evaluation of reservoir sanding and fines migration and related completion, lift and surface facilities design
10/14/2010US20100258302 Well Screen With Drainage Assembly
10/14/2010US20100258301 Securing Layers in a Well Screen Assembly
10/14/2010US20100258300 Well Screen Assembly With Multi-Gage Wire Wrapped Layer
10/14/2010US20100258297 Slickline Conveyed Debris Management System
10/14/2010US20100258296 Slickline Conveyed Debris Management System
10/14/2010US20100258292 Propellant fracturing system for wells
10/14/2010US20100258291 Heated liners for treating subsurface hydrocarbon containing formations
10/14/2010US20100258290 Non-conducting heater casings
10/14/2010US20100258265 Recovering energy from a subsurface formation
10/14/2010CA2757166A1 Well screen with drainage assembly
10/14/2010CA2757165A1 Well screen assembly with multi-gage wire wrapped layer
10/14/2010CA2757103A1 Viscoelastic surfactants and methods of making and using same
10/13/2010EP2239415A1 Foam assisted enhanced oil-recovery in a layered oil reservoir
10/13/2010EP2239413A2 Location-and-rotation feedback tool for subsea wellheads and method of operating same
10/13/2010EP2238378A1 Tool for connecting pipelines
10/13/2010CN201606638U 曲柄销黄油定量加入装置 Crank pin butter dosed device
10/13/2010CN201606050U 稠油热采井油层保护管柱 Heavy oil thermal recovery wells reservoir protection string
1 ... 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 ... 642