| 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) |
|---|
| 12/09/2009 | CN100567736C Reciprocating pump control system |
| 12/09/2009 | CN100567735C Oil-well pumping connection separator |
| 12/09/2009 | CN100567700C Oil production system of reciprocating submersible electric pump driven by sand-proof linear motor |
| 12/09/2009 | CA2667695A1 Debris removal apparatus for a pump and method |
| 12/08/2009 | US7628209 Tubing driven progressing cavity pump and method of pumping well fluid from a well |
| 12/08/2009 | US7628204 Wastewater disposal with in situ steam production |
| 12/08/2009 | US7628202 Enhanced oil recovery using multiple sonic sources |
| 12/08/2009 | CA2654447C Well bore isolation using tool with sliding sleeve |
| 12/08/2009 | CA2548908C A nc reciprocating immersible oil pump |
| 12/08/2009 | CA2524420C Wireless communications associated with a wellbore |
| 12/08/2009 | CA2423541C Downhole gripping tool and method |
| 12/04/2009 | CA2836304A1 Method and system of recovering energy from a flow of oil sands slurry |
| 12/04/2009 | CA2668254A1 Oil sand slurry transportation system and method for variable slurry flow rates |
| 12/03/2009 | WO2009146206A2 Subsea tree safety control system |
| 12/03/2009 | WO2009146186A1 Method and apparatus to treat a well with high energy density fluid |
| 12/03/2009 | WO2009146158A1 Using mines and tunnels for treating subsurface hydrocarbon containing formations |
| 12/03/2009 | WO2009144441A1 Fluid treatment apparatus |
| 12/03/2009 | WO2009129219A3 Systems and methods for producing oil and/or gas |
| 12/03/2009 | WO2009114250A3 Downhole spread spectrum induction instruments |
| 12/03/2009 | WO2009111730A3 Fluid distribution system |
| 12/03/2009 | WO2009105469A3 Test procedure to determine concentration and relative distribution of sized particles in a drilling fluid |
| 12/03/2009 | WO2009053022A3 Method for forming a subsea connection |
| 12/03/2009 | US20090294132 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 12/03/2009 | US20090294130 Interchangeable subsea wellhead devices and methods |
| 12/03/2009 | US20090294129 Subsea stack alignment method |
| 12/03/2009 | US20090294128 Wellbore Method and Apparatus for Completion, Production and Injection |
| 12/03/2009 | US20090294125 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 12/03/2009 | US20090294123 Multi-point injection system for oilfield operations |
| 12/03/2009 | US20090294122 Flow simulation in a well or pipe |
| 12/03/2009 | US20090294121 Pulse fracturing device and method |
| 12/03/2009 | CA2725589A1 Fluid treatment apparatus |
| 12/03/2009 | CA2721488A1 Method and apparatus to treat a well with high energy density fluid |
| 12/03/2009 | CA2718767A1 Using mines and tunnels for treating subsurface hydrocarbon containing formations |
| 12/02/2009 | EP2128380A1 Slug mitigation |
| 12/02/2009 | EP2128376A2 Flow restrictor coupling |
| 12/02/2009 | EP2126283A1 Perforation tool with switch |
| 12/02/2009 | EP2126282A1 Hydrajet bottomhole completion tool and process |
| 12/02/2009 | EP2126277A1 A device for a kickover tool |
| 12/02/2009 | EP2126275A1 Method and apparatus for controlling the manufacture of well treatment fluid |
| 12/02/2009 | EP2125991A2 Method of treating subterranean formation with crosslinked polymer fluid |
| 12/02/2009 | CN201354834Y Deceleration/variable speed device |
| 12/02/2009 | CN201354634Y Offshore oilfield water injection flow-limiting pressure-limiting device |
| 12/02/2009 | CN201354629Y Slotless well head foundation of cluster well |
| 12/02/2009 | CN201354628Y Medium-pressure gas collection and cross-well serial connection system |
| 12/02/2009 | CN201354627Y Beam balance aiding walking-beam pumping unit |
| 12/02/2009 | CN201354626Y Gear-box specially used for adjusting impulse of oil sucking machine of oil field |
| 12/02/2009 | CN201354625Y Flywheel energy-saving device on beam pumping unit |
| 12/02/2009 | CN201354624Y Multi-walking-beam single-power oil pumping unit |
| 12/02/2009 | CN201354623Y Double-well single-walking-beam oil pumping unit |
| 12/02/2009 | CN201354593Y Oil increment pup joint |
| 12/02/2009 | CN201354023Y Nitrogen generation special working truck generating nitrogen with high purity and high content |
| 12/02/2009 | CN101595274A System and method for facilitating downhole operations |
| 12/02/2009 | CN101592175A Expansion and shrinkage type horse head pin of pumping unit |
| 12/02/2009 | CN101592028A Gas-assisted SAGD method for exploiting super heavy oil |
| 12/02/2009 | CN101592027A Combination flooding method according to correction of capillary number curve |
| 12/02/2009 | CN101592026A Novel energy-saving hydraulic pumping unit |
| 12/02/2009 | CN101592023A Thermal production snubbing device |
| 12/02/2009 | CN100564795C System and method for multiple wells from a common surface location |
| 12/02/2009 | CN100564794C Lever balance head sheave long stroke pumping unit |
| 12/02/2009 | CN100564793C Oil pumping workover rig |
| 12/02/2009 | CN100564792C Method for providing a temporary barrier in a flow pathway |
| 12/02/2009 | CA2667881A1 Drive means |
| 12/01/2009 | US7627461 Method for field scale production optimization by enhancing the allocation of well flow rates |
| 12/01/2009 | US7625846 Such as polylactic or polyhydroxyalkanoate to viscosify aqueous fluids; sand control screens or liners |
| 12/01/2009 | US7624804 Method for recovering oil from a gas-lifted oil well penetrating a subterranean oil-bearing formation |
| 12/01/2009 | US7624803 Injection apparatus for injecting an activated fluid into a well-bore and related injection method |
| 12/01/2009 | US7624802 Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same |
| 12/01/2009 | US7624800 System and method for sensing parameters in a wellbore |
| 12/01/2009 | US7624795 Bottom mount auxiliary pumping system seal section |
| 12/01/2009 | US7624793 Method and apparatus for perforating and isolating perforations in a wellbore |
| 12/01/2009 | CA2569810C Well treatment for sand-containing formations |
| 12/01/2009 | CA2480070C Method and application for open hole gravel packing |
| 12/01/2009 | CA2469468C Method, computer program product and use of a computer program for stabilizing a multiphase flow |
| 12/01/2009 | CA2425686C A method for interconnecting adjacent expandable pipes |
| 12/01/2009 | CA2247693C Chemically induced stimulations of subterranean carbonaceous formations with gaseous oxidants |
| 11/26/2009 | WO2009142863A1 Connector assembly for connecting a hot stab to a hydraulic hose |
| 11/26/2009 | WO2009142847A2 Methods of underground formation consolidation |
| 11/26/2009 | WO2009142845A2 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 11/26/2009 | WO2009142844A1 Using nanoparticles for water flow control in subterranean formations |
| 11/26/2009 | WO2009142803A1 Field management for substantially constant composition gas generation |
| 11/26/2009 | WO2009142782A2 System and method for densely packing wells using magnetic ranging while drilling |
| 11/26/2009 | WO2009142633A1 Apparatus and method for raising a fluid in a well |
| 11/26/2009 | WO2009142507A1 Arrangement for directing a fluid flow |
| 11/26/2009 | WO2009141749A2 System and method for low damage gravel packing |
| 11/26/2009 | US20090289002 Combined degassing and floatation tank |
| 11/26/2009 | US20090288884 Method and apparatus for high pressure radial pulsed jetting of lateral passages from vertical to horizontal wellbores |
| 11/26/2009 | US20090288879 System to perforate a cemented liner having lines or tools outside the liner |
| 11/26/2009 | US20090288843 Enzyme enhanced oil recovery (EEOR) for waterflooding operations |
| 11/26/2009 | US20090288842 Method of radially expanding a tubular element |
| 11/26/2009 | US20090288837 Apparatus and method for raising a fluid in a well |
| 11/26/2009 | US20090288833 System and methods for constructing and fracture stimulating multiple ultra-short radius laterals from a parent well |
| 11/26/2009 | US20090288832 Varying Access Points for Tubing and Casing Monitoring and Casing Annulus Remediation Systems |
| 11/26/2009 | US20090288829 Cutting windows for lateral wellbore drilling |
| 11/26/2009 | US20090288828 Non-flammable, non-aqueous group IVB metal alkoxide crosslinkers and fracturing fluid compositions incorporating same |
| 11/26/2009 | US20090288827 In Situ Thermal Process For Recovering Oil From Oil Sands |
| 11/26/2009 | US20090288826 Enzyme enhanced oil recovery (EEOR) for cyclic steam injection |
| 11/26/2009 | US20090288825 Surfactant method for improved oil recovery from subterranean reservoirs |
| 11/26/2009 | US20090288824 Multi-zone formation fluid evaluation system and method for use of same |
| 11/26/2009 | US20090288822 Mitigation of elemental sulfur deposition during production of hydrocarbon gases |
| 11/26/2009 | US20090288820 Method Of Manufacture And The Use Of A Functional Proppant For Determination Of Subterranean Fracture Geometries |