| 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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| 08/30/2011 | CA2633950C Downhole hydraulic pipe cutter |
| 08/30/2011 | CA2621438C Method of drilling a bore hole |
| 08/30/2011 | CA2528448C Methods for controlling particulate segregation in slurries |
| 08/30/2011 | CA2516542C Method for drilling and completing wells |
| 08/30/2011 | CA2502843C Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 08/30/2011 | CA2484721C Tubing anchor |
| 08/30/2011 | CA2445415C In situ recovery from a oil shale formation |
| 08/26/2011 | CA2732576A1 Precompression effect in pump body |
| 08/26/2011 | CA2732542A1 Precompression effect in pump body |
| 08/25/2011 | WO2011103190A1 Method and apparatus to release energy in a well |
| 08/25/2011 | WO2011103092A1 Apparatus and method for valve actuation |
| 08/25/2011 | WO2011103038A1 Method of gravel packing multiple zones with isolation |
| 08/25/2011 | WO2011102877A1 Running tool with independent housing rotation sleeve |
| 08/25/2011 | WO2011102851A1 Apparatuses and methods for storing and/or filtering a substance |
| 08/25/2011 | WO2011101554A2 Expansible threaded joint and method for making same |
| 08/25/2011 | WO2011101481A2 Tubular assembly |
| 08/25/2011 | WO2011101228A2 Device and method for obtaining, especially in situ, a carbonaceous substance from an underground deposit |
| 08/25/2011 | WO2011101227A2 Device and method for obtaining, especially in situ, a carbonaceous substance from an underground deposit |
| 08/25/2011 | WO2011101055A2 Device and method for the recovery, in particular in situ recovery, of a carbonaceous substance from subterranean formations |
| 08/25/2011 | WO2011101052A2 Device and method for obtaining, in particular in situ, a substance containing carbon from an underground deposit |
| 08/25/2011 | WO2011100834A1 Magnets-based tool for pulsing injected liquid |
| 08/25/2011 | WO2011100812A1 Oleohydraulic pumping unit having a booster |
| 08/25/2011 | WO2011044211A3 Method and apparatus for drilling a probabilistic approach |
| 08/25/2011 | WO2005049954A3 Gravel pack crossover tool with single position multi-function capability |
| 08/25/2011 | US20110203799 Open Hole Fracing System |
| 08/25/2011 | US20110203797 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 08/25/2011 | US20110203793 Method of gravel packing multiple zones with isolation |
| 08/25/2011 | US20110203792 System, method and assembly for wellbore maintenance operations |
| 08/25/2011 | US20110203460 Device for separating and collecting fluid in gas from a reservoir |
| 08/25/2011 | DE102010023542A1 Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte Apparatus and method for acquisition, especially in-situ extraction, a carbonaceous substance from a subterranean formation |
| 08/25/2011 | DE102010008779A1 Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte Apparatus and method for acquisition, especially in-situ extraction, a carbonaceous substance from a subterranean formation |
| 08/25/2011 | DE102010008776A1 Vorrichtung und Verfahren zur Gewinnung, insbesondere In-Situ-Gewinnung, einer kohlenstoffhaltigen Substanz aus einer unterirdischen Lagerstätte Apparatus and method for acquisition, especially in-situ extraction, a carbonaceous substance from a subterranean formation |
| 08/25/2011 | CA2790647A1 Tubular assembly |
| 08/25/2011 | CA2790618A1 Device and method for obtaining, especially in-situ, a carbonaceous substance from an underground deposit |
| 08/25/2011 | CA2790616A1 Device and method for obtaining, in particular in-situ, a carbonaceous substance from an underground deposit |
| 08/25/2011 | CA2790597A1 Device and method for the recovery, in particular in-situ recovery, of a carbonaceous substance from a subterranean deposit |
| 08/25/2011 | CA2790575A1 Device and method for obtaining, in particular in-situ, a substance containing carbon from an underground deposit |
| 08/25/2011 | CA2790081A1 Magnets-based tool for pulsing injected liquid |
| 08/25/2011 | CA2789854A1 Method and apparatus to release energy in a well |
| 08/25/2011 | CA2789084A1 Expansible threaded joint and method for making same |
| 08/24/2011 | EP2358975A1 Vessel compressor methods and systems |
| 08/24/2011 | EP2358974A1 Systems and methods for operating a plurality of wells through a single bore |
| 08/24/2011 | EP2358839A1 Improvement in enhanced oil recovery by polymer without supplementary equipment or product |
| 08/24/2011 | EP2167788B1 Bellows valve |
| 08/24/2011 | CN201943684U 实现井下气液分离的皇冠状气锚 Achieve downhole gas-liquid separator crown-shaped anchor |
| 08/24/2011 | CN201943683U 实现井下油、水分离的皇冠状分离装置 Achieve downhole oil, crown-shaped water separation separation device |
| 08/24/2011 | CN201943682U 采油井口套管气分离装置 Wellhead casing head gas separation plant |
| 08/24/2011 | CN201943681U 一种蒸汽驱井抢喷装置 A steam drive well grab the spray device |
| 08/24/2011 | CN201943680U 母液回收装置 Liquor recovery |
| 08/24/2011 | CN201943679U 聚合物储箱装置 Polymer tank unit |
| 08/24/2011 | CN201943678U 油田三管分注装置 Oilfield three dispensing apparatus |
| 08/24/2011 | CN201943677U 聚驱水驱双功能外调堵塞器 Bifunctional polymer flooding water flooding redeployment clogged filter |
| 08/24/2011 | CN201943676U Water injection device from pump to pump |
| 08/24/2011 | CN201943675U 配水装置 Water distribution system |
| 08/24/2011 | CN201943674U 多孔金属防砂筛管 The porous metal sand screen |
| 08/24/2011 | CN201943673U 螺旋防砂筛管 Spiral sand screens |
| 08/24/2011 | CN201943672U 塔架式抽油机 Tower Rack Pumping |
| 08/24/2011 | CN201943671U 柔性传动渐开线式抽油机 Flexible drive involute pumping unit |
| 08/24/2011 | CN201943670U 采油井抽油机曲柄非金属安全防护栏 Oil well pumping unit crank nonmetal mining safety fence |
| 08/24/2011 | CN201943669U 一种油井套管气回收装置 One kind of well casing gas recovery |
| 08/24/2011 | CN201943668U 采油车控制装置 Oil vehicle control device |
| 08/24/2011 | CN201943667U 新型液压抽油机 New hydraulic pumping unit |
| 08/24/2011 | CN201943666U 抽油机平衡调整操作装置 Pumping balance adjustment operation means |
| 08/24/2011 | CN201943665U 新型节能型抽油机减速器 The new energy-efficient pumping reducer |
| 08/24/2011 | CN201943655U 油井放套气防溢油装置 Well Fangtaoqifang spill device |
| 08/24/2011 | CN201943649U 高压压裂长胶筒封隔器 High pressure fracturing long plastic tube packer |
| 08/24/2011 | CN201943599U 管端内管用户端焊接固定的隔热油管连接结构 Inner tube end of the tube is welded and fixed to the UE insulated tubing connecting structure |
| 08/24/2011 | CN201943598U 分体组装式隔热油管连接结构 Split assembled insulated tubing connecting structure |
| 08/24/2011 | CN201943595U 一种复合、自检式高压挤注管柱 A complex, self-check-pressure squeeze column |
| 08/24/2011 | CN102165138A Method and system for jointly producing and processing hydrocarbons from natural gas hydrate and conventional hydrocarbon reservoirs |
| 08/24/2011 | CN102162356A Simulation device for evaluating sand control effect and anti-blocking capability of sand control pipe |
| 08/24/2011 | CN102162353A Three-dimensional well pattern device of natural gas hydrate |
| 08/24/2011 | CN102162352A Novel method for exploiting coal-bed gas |
| 08/24/2011 | CN102162351A Application of hydrogen peroxide to thickened oil dilution |
| 08/24/2011 | CN102162350A Method for improving flooding effect of polymer solution by using calcium and magnesium ions in water |
| 08/24/2011 | CN102162349A Foam discharging rod releasing apparatus and foam discharging rod releasing method |
| 08/24/2011 | CN102162348A A laying device of solid foam discharging agent used for natural gas well of small water volume |
| 08/24/2011 | CN102162347A Injection device capable of adapting to low-temperature environment in foam drainage gas recovery |
| 08/24/2011 | CN102162341A Hydraulic drive claw installation tool |
| 08/24/2011 | CN102161884A Preparation method and using method of thickened oil viscosity reducer containing ampholytic surfactant |
| 08/24/2011 | CN102161883A Composite chemical oil displacement agent for tertiary oil recovery in oil field |
| 08/24/2011 | CN101328796B Environment protection type wax-proof anti-scaling viscosity reduction machine |
| 08/24/2011 | CN101289931B Oil well production increasing environment-friendly device |
| 08/23/2011 | US8003581 Iron control agent |
| 08/23/2011 | US8003577 Method of treating subterranean formation with crosslinked polymer fluid |
| 08/23/2011 | US8003573 Method for remediating flow-restricting hydrate deposits in production systems |
| 08/23/2011 | US8003214 Well treating materials comprising coated proppants, and methods |
| 08/23/2011 | US8002498 Systems and methods for underground storage of biogas |
| 08/23/2011 | US8002121 In-line flow separation of fluids in a pipe separator |
| 08/23/2011 | US8002044 Coupler retained liner hanger mechanism with moveable cover and methods of setting a hanger inside a wellbore |
| 08/23/2011 | US8002042 Actuatable subsurface safety valve and method |
| 08/23/2011 | US8002035 System and method for dynamically adjusting the center of gravity of a perforating apparatus |
| 08/23/2011 | US8002034 Recovery of hydrocarbons from oil shale deposits |
| 08/23/2011 | US8002033 Method for recovering energy in-situ from underground resources and upgrading such energy resources above ground |
| 08/23/2011 | US8002029 Apparatus and method for raising a fluid in a well |
| 08/23/2011 | US8002026 Methods and apparatuses for electronic time delay and systems including same |
| 08/23/2011 | CA2626413C Multiple stage tool for use with plunger lift |
| 08/23/2011 | CA2622318C Communicating with a downhole tool |
| 08/23/2011 | CA2615972C Methods and apparatus for completing a well |
| 08/23/2011 | CA2615183C Method and device for on-line acoustic monitoring of foam and aerated fluid properties |