| 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) |
|---|
| 07/17/2008 | WO2008086165A2 Rigless sand control in multiple zones |
| 07/17/2008 | WO2008085670A2 Method of isolating and completing multi-zone frac packs |
| 07/17/2008 | WO2008085560A1 In situ conversion of heavy hydrocarbons to catalytic gas |
| 07/17/2008 | WO2008085442A1 Method and apparatus for determination of gas in place |
| 07/17/2008 | WO2008085319A1 Methods of collecting crude oil and crude oil collection header apparatus |
| 07/17/2008 | WO2008085318A1 Method of collecting crude oil and crude oil collection header apparatus |
| 07/17/2008 | WO2008084194A1 Methods and systems for fracturing subterranean wells |
| 07/17/2008 | WO2008083522A1 A rod pump used for eliminating eccentric rod wear and providing forward well-flushing |
| 07/17/2008 | WO2008083471A1 Methods and apparatus for enhanced oil recovery |
| 07/17/2008 | WO2008083468A1 Method for terminating or reducing water flow in a subterranean formation |
| 07/17/2008 | WO2008060668A2 Temperature limited heaters using phase transformation of ferromagnetic material |
| 07/17/2008 | WO2008060479A3 Wellbore method and apparatus for completion, production and injection |
| 07/17/2008 | WO2008060479A2 Wellbore method and apparatus for completion, production and injection |
| 07/17/2008 | WO2008044157A3 Oilfield material delivery mechanism |
| 07/17/2008 | WO2008021922A3 Well screen apparatus and method of manufacture |
| 07/17/2008 | WO2008008697A3 Compositions, methods and uses for sterically-hindered quaternary ammonium compounds |
| 07/17/2008 | US20080169104 Method of collecting crude oil and crude oil collection header apparatus |
| 07/17/2008 | US20080169103 Surfactant Wash Treatment Fluids and Associated Methods |
| 07/17/2008 | US20080169102 Surfactant Wash Treatment Fluids and Associated Methods |
| 07/17/2008 | US20080169098 feeding a high salinity water to a reverse osmosis desalination assembly that relies on hydrostatic head to provide at least a major component of the pressure required to overcome the osmotic pressure, injected into a porous subterranean hydrocarbon-bearing formation for recovering hydrocarbons |
| 07/17/2008 | US20080169097 Wellhead assembly and method for an injection tubing string |
| 07/17/2008 | US20080169096 Oilfield enhanced in situ combustion process |
| 07/17/2008 | DE102007002399A1 Verfahren und Vorrichtung zur Herstellung einer verrohrten Strangbohrung Method and apparatus for producing a cased string bore |
| 07/17/2008 | CA2674903A1 Methods and apparatus for enhanced oil recovery |
| 07/17/2008 | CA2674322A1 In situ conversion of heavy hydrocarbons to catalytic gas |
| 07/17/2008 | CA2674016A1 Methods and systems for fracturing subterranean wells |
| 07/17/2008 | CA2673768A1 Method and apparatus for determination of gas in place |
| 07/16/2008 | EP1747323A4 Top tensioned riser |
| 07/16/2008 | EP1606159B8 Buoyancy method and device for stabilizing and controlling lowering or raising of a structure between the surface and the sea floor |
| 07/16/2008 | EP1438481B8 Treating composition |
| 07/16/2008 | EP1247036B1 System for acquiring data from a facility and method |
| 07/16/2008 | CN201087744Y Activity plunger oil pump |
| 07/16/2008 | CN201087730Y Polished rod anti-bump device of oil pumping machine |
| 07/16/2008 | CN201087717Y Integral high-pressure oil water well operation device under pressure |
| 07/16/2008 | CN201087713Y Injection-production integrated double tube thermal production well mouth device |
| 07/16/2008 | CN101220809A Sand-prevention and oil-draining type oil pump |
| 07/16/2008 | CN101220808A Reciprocating pump control system |
| 07/16/2008 | CN101220807A Lever oil pump capable of eliminating eccentric wear and directly flushing well |
| 07/16/2008 | CN101220806A High power oil-submersible linear electric motor membrane pump |
| 07/16/2008 | CN101220740A Electric heating apparatus of hollow sucker rod |
| 07/16/2008 | CN101220739A Dynamic negative pressure device for oil gas well |
| 07/16/2008 | CN101220738A Portable sand-prevention perforating tool capable of effectively locating sand prevention material |
| 07/16/2008 | CN101220737A Sand filtering tube device of vibrating net barrel |
| 07/16/2008 | CN101220736A Non-screen pipe compound fracturing fabric network framework gravel-filling sand prevention method |
| 07/16/2008 | CN100402853C Oil pumping unit base position regulator |
| 07/16/2008 | CN100402371C Riser installation vessel and method of using the same |
| 07/15/2008 | US7399732 An organic quaternary ammonium surfactant, a water soluble or dispersible anionic organic salt, an acid and a low molecular weight organic solvent; for hydraulic fracturing of a subterranean formation |
| 07/15/2008 | US7398832 Mono-diameter wellbore casing |
| 07/15/2008 | US7398831 Expandable tubing and method |
| 07/15/2008 | US7398829 Methods of limiting leak off and damage in hydraulic fractures |
| 07/15/2008 | US7398826 Well treatment with dissolvable polymer |
| 07/15/2008 | US7398825 Methods of controlling sand and water production in subterranean zones |
| 07/15/2008 | US7398824 Method for inhibiting or controlling inorganic scale formations with copolymers of acrylamide and quaternary ammonium salts |
| 07/15/2008 | US7398823 Selective electromagnetic production tool |
| 07/15/2008 | CA2588235C Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery |
| 07/15/2008 | CA2539625C Apparatus and method for expanding a liner patch |
| 07/15/2008 | CA2536496C Positive pressure gas jacket for a natural gas pipeline |
| 07/15/2008 | CA2530995C System and method for gas shut off in a subterranean well |
| 07/15/2008 | CA2517497C Well product recovery process |
| 07/15/2008 | CA2510241C Methods for controlling the rheological properties of viscoelastic surfactants based fluids |
| 07/15/2008 | CA2502159C Generating acid downhole in acid fracturing |
| 07/15/2008 | CA2486513C Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same |
| 07/15/2008 | CA2450561C Method of expanding a sand screen |
| 07/15/2008 | CA2421765C Well screen with spirally wrapped wire |
| 07/15/2008 | CA2382637C Improved wellbore pump |
| 07/15/2008 | CA2243793C Flow control apparatus for use in a subterranean well and associated methods |
| 07/15/2008 | CA2187010C Method and appartus for remote control of wellbore end devices |
| 07/10/2008 | WO2008083011A1 Method and system for altering pore pressure in a fracturing operation |
| 07/10/2008 | WO2008083009A1 Bayesian production analysis technique for multistage fracture wells |
| 07/10/2008 | WO2008082971A1 Liner anchor for expandable casing strings |
| 07/10/2008 | WO2008082307A1 Pressure driven apparatus for sequential control of a cementing head |
| 07/10/2008 | WO2008081221A1 Stimulated oil production using reactive fluids |
| 07/10/2008 | WO2008080402A1 Ceramic screen |
| 07/10/2008 | WO2008051836A3 In situ heat treatment process utilizing a closed loop heating system |
| 07/10/2008 | WO2008048454A3 Combined development of oil shale by in situ heating with a deeper hydrocarbon resource |
| 07/10/2008 | US20080164034 Hydrocarbon production system and method of use |
| 07/10/2008 | US20080164033 Gas well de-watering apparatus and method |
| 07/10/2008 | US20080164032 Piston pump assembly with flexible riser pipe |
| 07/10/2008 | US20080164030 Process for two-step fracturing of oil shale formations for production of shale oil |
| 07/10/2008 | US20080164027 Rigless sand control in multiple zones |
| 07/10/2008 | US20080164026 Method of isolating and completing multi-zone frac packs |
| 07/10/2008 | US20080164023 Method for Servicing a Well Bore Using a Mixing Control System |
| 07/10/2008 | US20080164021 Methods and systems for fracturing subterranean wells |
| 07/10/2008 | US20080164020 Method of collecting crude oil and crude oil collection header apparatus |
| 07/10/2008 | CA2674566A1 Stimulated oil production using reactive fluids |
| 07/09/2008 | EP1942248A1 System and methods for tubular expansion |
| 07/09/2008 | EP1941303A2 Logging system, method of logging an earth formation and method of producing a hydrocarbon fluid |
| 07/09/2008 | EP1941129A1 Methods and systems for determining reservoir properties of subterranean formations with pre-existing fractures |
| 07/09/2008 | EP1941128A1 Solution mining systems and methods for treating hydrocarbon containing formations |
| 07/09/2008 | EP1941127A1 Systems and methods for producing hydrocarbons from tar sands with heat created drainage paths |
| 07/09/2008 | EP1941126A1 Temperature limited heater with a conduit substantially electrically isolated from the formation |
| 07/09/2008 | EP1941125A1 Cogeneration systems and processes for treating hydrocarbon containing formations |
| 07/09/2008 | EP1941123A1 Extended reach drilling apparatus and method |
| 07/09/2008 | EP1941006A1 Methods of hydrotreating a liquid stream to remove clogging compounds |
| 07/09/2008 | EP1941003A2 Methods of filtering a liquid stream produced from an in situ heat treatment process |
| 07/09/2008 | CN201083195Y Chemical composite drive anti-scaling soft plunger oil-well pump |
| 07/09/2008 | CN201083193Y Horizontal well electric latent plunger pump lifting device |
| 07/09/2008 | CN201083192Y Wind power oil extraction device |
| 07/09/2008 | CN201083191Y Double-plunger pipe type spray-proof oil-well pump |
| 07/09/2008 | CN201083123Y Double-allocation mode eccentric center water-distributing device |