| 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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| 09/24/2009 | WO2009088424A3 Sand control screen assembly and method for use of same |
| 09/24/2009 | WO2009068302A3 Downhole, single trip, multi-zone testing system and downhole testing method using such |
| 09/24/2009 | WO2009046108A3 Oil well pump apparatus |
| 09/24/2009 | WO2008142585A3 Methods and systems for investigating downhole conditions |
| 09/24/2009 | WO2007057378A8 Wellbore system |
| 09/24/2009 | US20090236144 Managed pressure and/or temperature drilling system and method |
| 09/24/2009 | US20090236103 Slurrified Heavy Oil Recovery Process |
| 09/24/2009 | US20090236098 Reinforced Polymeric Siphon Tubes |
| 09/24/2009 | US20090236093 Apparatus and Method for Extracting Petroleum from Underground Sites Using Reformed Gases |
| 09/24/2009 | US20090236092 Method and system for extraction of hydrocarbons from oil sands |
| 09/24/2009 | CA2718811A1 Vitiated steam generator |
| 09/24/2009 | CA2718688A1 Device and method of lining a wellbore |
| 09/24/2009 | CA2717554A1 Viscous oil recovery using emulsions |
| 09/24/2009 | CA2716809A1 Enhancing emulsion stability |
| 09/23/2009 | EP2103774A1 Device and method of lining a wellbore |
| 09/23/2009 | EP2102450A1 System, vessel and method for production of oil and heavier gas fractions from a reservoir below the seabed |
| 09/23/2009 | EP2102449A2 Apparatus and method for processing fluids from a well |
| 09/23/2009 | CN201314224Y Oil/water well continuous chemical dosing device |
| 09/23/2009 | CN201314223Y Break-off controller of crank pin of oil extractor |
| 09/23/2009 | CN201314222Y Gravity-balanced pumping unit |
| 09/23/2009 | CN201314221Y Hydraulic gravity-balanced pumping unit |
| 09/23/2009 | CN201314220Y Casing swab |
| 09/23/2009 | CN101542070A Method of radially expanding a tubular element |
| 09/23/2009 | CN101542069A Wellbore apparatus and method for completion, production and injection |
| 09/23/2009 | CN101539133A Feedback type oil-well pump |
| 09/23/2009 | CN101539014A Thick oil thermal extraction saturated steam flow metering method |
| 09/23/2009 | CN101539013A Hermetic, circular, heating and energy saving process and device for extracting super thick oil by saturated vapor in hollow rod |
| 09/23/2009 | CN101539012A Stratum catalytic oxidation thick oil thermal recovery method |
| 09/23/2009 | CN101539011A Fire flood eclectic ignition method |
| 09/23/2009 | CN101539010A Thermal-prestressed fusion casing for heavy-oil thermal recovery process, and using method thereof |
| 09/23/2009 | CN101539009A Foam drainage well bore simulation experiment device for directional well |
| 09/23/2009 | CN101539008A Ground stereoscopic discharge and mining method of coal bed methane |
| 09/23/2009 | CN101539007A Abrasive jetting device and method for abrasive jetting flow and jetting perforation and multiple fracturing |
| 09/23/2009 | CN101539006A Method and equipment for completed well |
| 09/23/2009 | CN101539005A Ferris wheel hydraulic oil-pumping machine |
| 09/23/2009 | CN101539004A Epicycloidal beam pumping unit |
| 09/23/2009 | CN101539003A Grinderless efficiently energy-saving pumping machine |
| 09/23/2009 | CN101539002A Flexible automatic reverse intelligent oil pumping machine |
| 09/23/2009 | CN101539001A Inclined type long annular rack oil pumping machine |
| 09/23/2009 | CN101539000A Automatic reverse wheel of variable force arm of oil sucking machine |
| 09/23/2009 | CN101538999A Gas treatment in well environment |
| 09/23/2009 | CN101538998A Improved automatic control hydraulic drive oil pumping machine |
| 09/23/2009 | CN101538994A Thermal extraction measuring well-head high-temperature high-pressure blowout preventer |
| 09/22/2009 | US7591320 Method of cementing expandable well tubing |
| 09/22/2009 | US7591313 Methods of treating particulates and use in subterranean formations |
| 09/22/2009 | US7591312 Completion method for fracturing and gravel packing |
| 09/22/2009 | US7591311 Process for recovering heavy oil |
| 09/22/2009 | US7591310 Methods of hydrotreating a liquid stream to remove clogging compounds |
| 09/22/2009 | US7591309 Method for production of high pressure steam from produced water |
| 09/22/2009 | US7591308 Multi gas well production arrangement |
| 09/22/2009 | US7591306 Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| 09/22/2009 | US7591212 Connector for perforating gun tandem |
| 09/22/2009 | CA2569059C Pressure monitoring of control lines for tool position feedback |
| 09/22/2009 | CA2553018C Fluid loss control additives for use in fracturing subterranean formations |
| 09/22/2009 | CA2541947C Sand removal and device retrieval tool |
| 09/22/2009 | CA2526389C Hydraulic setting tool for liner hanger |
| 09/19/2009 | CA2658996A1 Leach recovery of oil from oil sands and like host materials |
| 09/17/2009 | WO2009114792A2 Improved gas lift system |
| 09/17/2009 | WO2009114356A1 Systems, assemblies and processes for controlling tools in a well bore |
| 09/17/2009 | WO2009114250A2 Downhole spread spectrum induction instruments |
| 09/17/2009 | WO2009114146A2 In-situ low-temperature hydrocarbon recovery from tar sands |
| 09/17/2009 | WO2009114045A1 Hybrid irrigation system |
| 09/17/2009 | WO2009113896A1 Slip-layer fluid placement |
| 09/17/2009 | WO2009113895A1 Use of electric submersible pumps for temporary well operations |
| 09/17/2009 | WO2009113839A1 Method for developing oil pools in carbonate reservoirs having a high heterogeneity of permeability stratification |
| 09/17/2009 | WO2009112687A1 Underwater connection installation |
| 09/17/2009 | WO2009111970A1 Hydraulic cylinder, oil pumping unit, oil pumping module and oil pumping system |
| 09/17/2009 | WO2009085615A3 Borehole imaging and orientation of downhole tools |
| 09/17/2009 | WO2008135858A8 Oil well completion tool having severable tubings string barrier disc |
| 09/17/2009 | WO2008106476A9 System and method for waterflood performance monitoring |
| 09/17/2009 | US20090229836 Method and Apparatus for Expanding a Tubular Member |
| 09/17/2009 | US20090229831 Gas lift system |
| 09/17/2009 | US20090229830 Subsea well production system |
| 09/17/2009 | US20090229827 Including an aqueous base fluid, a synergistic biocide promoter, and a compatibility aid which prevents the friction reducer and biocide promoter from reacting to form a precipitate in a subterranean formation of an oil or gas well; drilling; well completion; stimulation operation; fracturing |
| 09/17/2009 | US20090229826 Hydrocarbon Sweep into Horizontal Transverse Fractured Wells |
| 09/17/2009 | US20090229825 Treatment of stimulating fluid |
| 09/17/2009 | US20090229824 Temperature triggered actuator for subterranean control systems |
| 09/17/2009 | US20090229823 Methods and apparatus for attaching accessories to sand screen assemblies |
| 09/17/2009 | US20090229822 Methods of Limiting Leak Off and Damage In Hydraulic Fractures |
| 09/17/2009 | US20090229821 Methods for allowing multiple fractures to be formed in a subterranean formation from an open hole well |
| 09/17/2009 | US20090229818 System and Method For Management of Steam Flooding For Oil Wells |
| 09/17/2009 | US20090229815 Apparatus and Method for Extracting Petroleum from Underground Sites Using Reformed Gases |
| 09/17/2009 | US20090229813 System for injecting a substance into an annular space |
| 09/17/2009 | DE102008062326A1 Anordnung zur induktiven Heizung von Ölsand- und Schwerstöllagerstätten mittels stromführender Leiter Arrangement for inductive heating of oil sands and heavy oil reservoirs using current carrying conductor |
| 09/17/2009 | CA2718215A1 Bellows valve |
| 09/17/2009 | CA2717858A1 System and method for controlling the flow of fluid in branched wells |
| 09/17/2009 | CA2717198A1 Systems, assemblies and processes for controlling tools in a well bore |
| 09/17/2009 | CA2716186A1 Slip-layer fluid placement |
| 09/16/2009 | EP2101039A1 Continuous operation and power supply of an acid gas reinjection facility |
| 09/16/2009 | EP2101035A2 Method for increasing production from a wellbore |
| 09/16/2009 | EP2100218A2 Modeling and management of reservoir systems with material balance groups |
| 09/16/2009 | EP2100003A2 Apparatus and method for processing fluids from a well |
| 09/16/2009 | EP2100002A1 Scale squeeze treatment methods and systems |
| 09/16/2009 | CN201310341Y Three-layer partial-pressure non-resistance production process pipe column and three-layer partial-pressure non-resistance production device thereof |
| 09/16/2009 | CN201310340Y Pressure-crack fracturing blender truck closed-type grouping inhalation/discharge manifold system |
| 09/16/2009 | CN201310339Y Oil extraction electromagnetic heating device |
| 09/16/2009 | CN201310338Y Novel less permeable oilfield advance water-filled augmented injection pipe column |
| 09/16/2009 | CN201310337Y Separately flooding tension bearing device of flooding well oil pipe |
| 09/16/2009 | CN201310336Y Advance water-filled well injection pipe column device used for less permeable oilfields |
| 09/16/2009 | CN201310335Y Sand-control tail pipe for deep well pump |