| 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) |
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| 01/16/2008 | CN101105124A Oil extraction indicator and using method thereof |
| 01/16/2008 | CN101105123A Vertical oil-water-gas multiphase flow separating and commutating device, and measuring device thereof |
| 01/16/2008 | CN101105122A Ground steam power station or chemical and fertilizer plant using underground gas |
| 01/16/2008 | CN101105121A Horizontal well machinery staged fracturing tool string |
| 01/16/2008 | CN101105120A three-dimensional glass porous media model for microcosmic oil drive and manufacturing method thereof |
| 01/16/2008 | CN101105119A Pumping unit balance adjusting apparatus and pumping unit balance structure adjusting method |
| 01/16/2008 | CN100362208C Oil-sand separator and method for removing sand and sealing |
| 01/16/2008 | CN100362207C A wellbore apparatus and method for completion, production and injection |
| 01/15/2008 | US7318481 Self-conforming screen |
| 01/15/2008 | US7318480 Tubing running equipment for offshore rig with surface blowout preventer |
| 01/15/2008 | US7318479 Assembly for connecting a jumper to a subsea structure |
| 01/15/2008 | US7318475 Matrix acidizing high permeability contrast formations |
| 01/15/2008 | US7318474 Methods and compositions for controlling formation fines and reducing proppant flow-back |
| 01/15/2008 | US7318473 Methods relating to maintaining the structural integrity of deviated well bores |
| 01/15/2008 | US7318472 In situ filter construction |
| 01/15/2008 | US7318471 System and method for monitoring and removing blockage in a downhole oil and gas recovery operation |
| 01/15/2008 | CA2528973C Expansion set packer |
| 01/15/2008 | CA2528190C Non-explosive two component initiator |
| 01/15/2008 | CA2521139C Methods of completing and producing a subterranean well and associated apparatus |
| 01/15/2008 | CA2487012C Method and apparatus to reduce downhole surge pressure using hydrostatic valve |
| 01/15/2008 | CA2484688C Downhole sampling apparatus and method for using same |
| 01/15/2008 | CA2449340C Wellbore apparatus and method |
| 01/15/2008 | CA2405391C Method for acid stimulating a subterranean well formation for improving hydrocarbon production |
| 01/15/2008 | CA2366000C Well screen having an internal alternate flowpath |
| 01/15/2008 | CA2322885C Separator inlet |
| 01/15/2008 | CA2226289C System for controlling production from a gas-lifted oil well |
| 01/15/2008 | CA2187432C Production wells having permanent downhole formation evaluation sensors |
| 01/14/2008 | CA2552865A1 Method for selective extraction of natural gas liquids from "rich" natural gas |
| 01/13/2008 | CA2552327A1 Method for selective extraction of natural gas liquids from "rich" natural gas |
| 01/11/2008 | CA2584992A1 Horizontal drilling |
| 01/10/2008 | WO2008006009A1 Expandable slip ring |
| 01/10/2008 | WO2008004911A2 Proppant and method of production |
| 01/10/2008 | WO2008004884A1 Fluid separating vessel |
| 01/10/2008 | WO2008004883A1 Method of processing and separating a multiphase well effluent mixture |
| 01/10/2008 | WO2008004882A1 Method of processing a multiphase well effluent mixture |
| 01/10/2008 | WO2008004876A1 A method and a device for counteracting that a valve ' s functionality is reduced |
| 01/10/2008 | WO2008004875A1 Method for flow control and autonomous valve or flow control device |
| 01/10/2008 | WO2008003184A1 Method for sealing the walls of deep drilled hole |
| 01/10/2008 | WO2007130195A3 Particle control screen with depth filtration |
| 01/10/2008 | US20080007060 Coupling tubulars |
| 01/10/2008 | US20080007056 Connector |
| 01/10/2008 | US20080006571 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 01/10/2008 | US20080006413 Well Servicing Methods and Systems Employing a Triggerable Filter Medium Sealing Composition |
| 01/10/2008 | US20080006411 Electric-hydraulic power unit |
| 01/10/2008 | US20080006410 Kerogen Extraction From Subterranean Oil Shale Resources |
| 01/10/2008 | US20080006409 Solid Sandstone Dissolver |
| 01/10/2008 | US20080006407 Annular fracturing service tool system |
| 01/10/2008 | US20080006402 Wellbore screen |
| 01/10/2008 | DE102006029752A1 Verwendung von Methacrylat-Derivaten zur Verdickung salzhaltiger Medien Use of methacrylate derivatives for thickening saline media |
| 01/10/2008 | CA2657209A1 Method for flow control and autonomous valve or flow control device |
| 01/10/2008 | CA2656324A1 Dual cylinder lift pump system and method |
| 01/10/2008 | CA2656205A1 Rheology controlled heterogeneous particle placement in hydraulic fracturing |
| 01/10/2008 | CA2593170A1 Annular fracturing service tool system |
| 01/10/2008 | CA2559117A1 Self-sustaining on-site production of electricity and/or steam for use in the in situ processing of oil shale and/or oil sands |
| 01/09/2008 | EP1875041A2 Well bore fluid redistribution and fluid disposal |
| 01/09/2008 | EP1875039A1 Flue gas injection for heavy oil recovery |
| 01/09/2008 | EP1875038A1 Method, system, controller and computer program product for controlling the flow of a multiphase fluid |
| 01/09/2008 | EP1339950B1 Full bore automatic gun release module |
| 01/09/2008 | CN201003485Y Lifting weight balance beam type oil pump |
| 01/09/2008 | CN201003484Y Oil pumping apparatus for machine pump regulation |
| 01/09/2008 | CN201003398Y Spiral cover type gas sand anchor |
| 01/09/2008 | CN201003397Y Controllable throttling controller |
| 01/09/2008 | CN201003396Y Hanging scaffold rotating type pneumatic oil extraction machine |
| 01/09/2008 | CN201003395Y Top drive screw nut bob-weight pumping unit |
| 01/09/2008 | CN201003394Y Intermittent oil pumping controller for insufficient well |
| 01/09/2008 | CN201003393Y Two-tube assembled valve set for water-mixing flow |
| 01/09/2008 | CN201001991Y Filtering device on well for petroleum, natural gas |
| 01/09/2008 | CN101103176A Composition and process for enhanced oil recovery |
| 01/09/2008 | CN101103175A Gravel pack shut tube with control line retention and method for retaining control |
| 01/09/2008 | CN101100991A Down-hole oil production screw pump fixer |
| 01/09/2008 | CN101100990A Down-hole screw pump oil production device |
| 01/09/2008 | CN101100938A Method and system for removing fluid from a subterranean zone using an enlarged cavity |
| 01/09/2008 | CN101100937A Method and system for removing fluid from a subterranean zone using an enlarged cavity |
| 01/09/2008 | CN101100936A Beam type hydraulic energy-saving pumping unit |
| 01/09/2008 | CN101100935A Continuous liquid-discharging device for exploration well testing for oil |
| 01/09/2008 | CN101100934A Natural gas well non-killing well fluid removing system |
| 01/09/2008 | CN101100932A High-pressure water injection well head device |
| 01/08/2008 | US7316991 Composition and process for oil extraction |
| 01/08/2008 | US7316275 Enhancing the thermal insulation of tubing or transfer pipe surrounded by an annuli; adding water-superabsorbent mixture of guar gum and carrageenan and a crosslinking agent which is absorbed onto the water-superabsorbent material to delay crosslinking |
| 01/08/2008 | US7316274 One trip perforating, cementing, and sand management apparatus and method |
| 01/08/2008 | US7316271 Deformable member |
| 01/08/2008 | US7316270 Oil pumping unit using an electrical submersible pump driven by a circular linear synchronous three-phase motor with rare earth permanent magnet |
| 01/08/2008 | US7316268 Method for conditioning wellbore fluids and sucker rod therefore |
| 01/08/2008 | CA2522910C Liner hanger |
| 01/08/2008 | CA2488671C Methods of sealing expandable pipe in well bores and sealing compositions |
| 01/08/2008 | CA2465446C Tubing expansion |
| 01/08/2008 | CA2449919C Expansion set liner hanger and method of setting same |
| 01/08/2008 | CA2446115C Profiled recess for instrumented expandable components |
| 01/08/2008 | CA2437335C Optimization of reservoir, well and surface network systems |
| 01/08/2008 | CA2310139C Device and method for separating a heterogeneous mixture |
| 01/08/2008 | CA2309513C Hydraulic set liner hanger setting mechanism and method |
| 01/08/2008 | CA2295675C Creating zonal isolation between the interior and exterior of a well system |
| 01/08/2008 | CA2262452C Apparatus and methods for completing a wellbore |
| 01/08/2008 | CA2246184C Methods of completing and producing a subterranean well and associated apparatus |
| 01/06/2008 | CA2593104A1 Natural gas well vapor recovery process system |
| 01/06/2008 | CA2592970A1 Well servicing methods and systems employing a triggerable filter medium sealing composition |
| 01/03/2008 | WO2008002850A2 Method of removing a device in an annulus |
| 01/03/2008 | WO2008002679A2 Method of repairing failed gravel packs |
| 01/03/2008 | WO2008002172A1 Complex for developing undersea mineral deposits |
| 01/03/2008 | WO2008002148A1 Method and apparatus for protection of compressor modules against influx of contaminated gas |