| 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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| 06/20/2009 | CA2618195A1 Rotatable plunger lift |
| 06/20/2009 | CA2615431A1 Venturi siphon atomization liquid lift apparatus and method |
| 06/19/2009 | CA2700239A1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same |
| 06/18/2009 | WO2009076334A2 Zonal isolation of telescoping perforation appartus with memory based material |
| 06/18/2009 | WO2009076014A2 Remote-controlled gravel pack crossover tool utilizing wired drillpipe communication and telemetry |
| 06/18/2009 | WO2009076006A1 Optimization of untreated oil shale geometry to control subsidence |
| 06/18/2009 | WO2009075945A1 Parallel adaptive data partitioning on a reservoir simulation using an unstructured grid |
| 06/18/2009 | WO2009074643A2 Method of creating a wellbore system |
| 06/18/2009 | WO2009074639A1 Method of expanding a tubular element in a wellbore |
| 06/18/2009 | WO2009074636A2 Method of expanding a tubular element in a wellbore |
| 06/18/2009 | WO2009074633A2 Method of expanding a tubular element in a wellbore |
| 06/18/2009 | WO2009074632A2 Wellbore system |
| 06/18/2009 | WO2009074573A1 System for drilling a wellbore |
| 06/18/2009 | WO2009074526A1 System for drilling a wellbore |
| 06/18/2009 | WO2009074243A1 Casing expanding tool |
| 06/18/2009 | WO2009058589A3 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| 06/18/2009 | WO2009052091A3 Water control device using electromagnetics |
| 06/18/2009 | WO2009049006A3 Pipe connection system |
| 06/18/2009 | WO2009045995A3 Liner drilling method and liner hanger |
| 06/18/2009 | US20090152204 Method and a Device for Separating a Multiphasic Liquid |
| 06/18/2009 | US20090151954 Subsea hydraulic and pneumatic power |
| 06/18/2009 | US20090151953 Submersible pump with surfactant injection |
| 06/18/2009 | US20090151952 Energized fluids and pressure manipulation for subsurface applications |
| 06/18/2009 | US20090151950 Active integrated well completion method and system |
| 06/18/2009 | US20090151944 Use of Polyimides in Treating Subterranean Formations |
| 06/18/2009 | US20090151943 Aqueous-based emulsified consolidating agents suitable for use in drill-in applications |
| 06/18/2009 | US20090151942 Sand control system and method for controlling sand production |
| 06/18/2009 | US20090151941 Method For Enhancing Oil Recovery With An Inproved Oil Recovery Surfactant |
| 06/18/2009 | US20090151938 Stimulation through fracturing while drilling |
| 06/18/2009 | US20090151932 Intelligent Electrical Power Distribution System |
| 06/18/2009 | US20090151928 Electrical submersible pump and gas compressor |
| 06/18/2009 | US20090151927 Combined nitrogen generation system and well servicing fluid system in one power unit apparatus |
| 06/18/2009 | CA2708738A1 Zonal isolation of telescoping perforation apparatus with memory based material |
| 06/18/2009 | CA2708144A1 Method of treating proppants and fractures in-situ with fluorinated silane |
| 06/18/2009 | CA2707923A1 Remote-controlled gravel pack crossover tool utilizing wired drillpipe communication and telemetry |
| 06/18/2009 | CA2707725A1 Casing expanding tool |
| 06/18/2009 | CA2707071A1 On-the-fly acid blender with high-rate, single pass, emulsification equipment |
| 06/18/2009 | CA2706279A1 Method of expanding a tubular element in a wellbore |
| 06/18/2009 | CA2705249A1 Method of expanding a tubular element in a wellbore |
| 06/18/2009 | CA2705237A1 Wellbore system |
| 06/18/2009 | CA2704890A1 Method of expanding a tubular element in a wellbore |
| 06/18/2009 | CA2704662A1 System for drilling a wellbore |
| 06/18/2009 | CA2703623A1 Optimization of untreated oil shale geometry to control subsidence |
| 06/18/2009 | CA2702965A1 Parallel adaptive data partitioning on a reservoir simulation using an unstructured grid |
| 06/17/2009 | EP2069607A1 Methods and systems for well stimulation using multiple angled fracturing |
| 06/17/2009 | EP2069606A2 Method and apparatus for perforating and isolating perforations in a wellbore |
| 06/17/2009 | EP1718713B1 Acidic subterranean treatment fluids comprising esterquats and methods of using such fluids |
| 06/17/2009 | CN201258733Y Stable structure electric field device for ocean oil production electric dehydration and electric desalting equipment |
| 06/17/2009 | CN201258732Y Back-purging for ocean oil production electric dehydration and electric desalting machine |
| 06/17/2009 | CN201258731Y Liquid carbon dioxide gorging, disgorging and filling controller |
| 06/17/2009 | CN201258730Y Under deep water oil storage and oil production device with dynamic positioning float bowl |
| 06/17/2009 | CN201258729Y Prepositive hydraulic balancing beam-pumping unit |
| 06/17/2009 | CN201258728Y Ground leveling device for pumping unit |
| 06/17/2009 | CN201258727Y Ball plug spraying-aid oil production, liquor drainage and gas production device |
| 06/17/2009 | CN101460703A Method and apparatus for hydraulic fracturing and monitoring |
| 06/17/2009 | CN101460702A Cyclic steam stimulation method with multiple fractures |
| 06/17/2009 | CN101457640A Abradant jet downhole perforation, kerf multiple fracturing method and device |
| 06/17/2009 | CN101457639A Method for measuring and adjusting oilfield injection well by utilizing indication curve |
| 06/17/2009 | CN101457638A Device and method for reducing detonation gas pressure |
| 06/17/2009 | CN100501119C Sand production oil well electric pump protector |
| 06/17/2009 | CN100501118C Method for increasing oil pumping machine load utilization efficiency and torque utilization efficiency of low osmosis oil field |
| 06/16/2009 | US7547665 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods |
| 06/16/2009 | US7547664 Comprising 4-chloro-4-deoxygalactose or a derivative thereof or 1,6-dichloro-1,6-dideoxyfructose as well fluid additives for use in a subterranean formation that includes a chlorinated carbohydrate and a tartaric acid |
| 06/16/2009 | US7546886 Method of creating a borehole in an earth formation |
| 06/16/2009 | US7546881 Apparatus for radially expanding and plastically deforming a tubular member |
| 06/16/2009 | US7546877 Process for hydrofracturing an underground aquifer from a water well borehole for increasing water flow production from Denver Basin aquifers |
| 06/16/2009 | US7546875 Integrated sand control completion system and method |
| 06/16/2009 | US7546874 Conserving components of fluids |
| 06/16/2009 | US7546873 Low temperature barriers for use with in situ processes |
| 06/16/2009 | US7546872 Liner hanger |
| 06/16/2009 | US7546870 Method and system for removing liquid from a gas well |
| 06/16/2009 | CA2631977C In situ thermal process for recovering oil from oil sands |
| 06/16/2009 | CA2563883C Improved rotary expansion tool, expansion member and methods of assembly |
| 06/16/2009 | CA2543877C System for logging formations surrounding a wellbore |
| 06/16/2009 | CA2537708C Method for natural gas production |
| 06/16/2009 | CA2452848C An expandable hanger and packer |
| 06/16/2009 | CA2323379C Safety arming device and method, for perforation guns and similar devices |
| 06/14/2009 | CA2643642A1 Device and method for reducing detonation gas pressure |
| 06/12/2009 | CA2646150A1 Separating sand from fluids produced by a well |
| 06/11/2009 | WO2009073727A1 Method of recovering bitumen from a tunnel or shaft with heating elements and recovery wells |
| 06/11/2009 | WO2009073484A2 Methods for improving the productivity of oil producing wells |
| 06/11/2009 | WO2009073479A1 A method for performing oilfield production operations |
| 06/11/2009 | WO2009073475A2 Pulse fracturing device and method |
| 06/11/2009 | WO2009073366A2 Dewatering of silicate wellbore fluids |
| 06/11/2009 | WO2009073360A2 Bypass crossover sub selector for multi-zone fracturing processes |
| 06/11/2009 | WO2009072036A1 Methods of perforation using viscoelastic surfactant fluids and associated compositions |
| 06/11/2009 | WO2009071876A1 Process for consolidating sand |
| 06/11/2009 | WO2009071536A1 Method of radially expanding a tubular element |
| 06/11/2009 | WO2009071001A1 A carbon dioxide underground storage method based on fluid mixture self-separation |
| 06/11/2009 | WO2009070853A1 A pumping apparatus |
| 06/11/2009 | WO2009045816A3 Method and system for interpreting swabbing tests using nonlinear regression |
| 06/11/2009 | WO2009045259A3 Apparatus for adjustably controlling the inflow of production fluids from a subterranean well |
| 06/11/2009 | WO2009044109A3 Determining fluid rheological properties |
| 06/11/2009 | WO2009038999A4 Annular pressure monitoring during hydraulic fracturing |
| 06/11/2009 | WO2003040513A3 In situ thermal processing of a hydrocarbon containing formation |
| 06/11/2009 | US20090145832 Pipe separator |
| 06/11/2009 | US20090145612 High Velocity String for Well Pump and Method for Producing Well Fluid |
| 06/11/2009 | US20090145610 Methods of Using Enhanced Wellbore Electrical Cables |
| 06/11/2009 | US20090145607 treatment fluid for treating a subterranean formation formed from an aqueous solution of a polysaccharide (guar or its derivative), a polyacrylamide, a crosslinking agent |
| 06/11/2009 | US20090145606 Enhanced Hydrocarbon Recovery By Steam Injection of Oil Sand FOrmations |