| 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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| 05/30/2012 | CN101353958B Acid fracturing process of oil gas well mining temperature control various mucic acid |
| 05/30/2012 | CN101351616B Equipment for repairing wellbore and method for improving perforation performance |
| 05/30/2012 | CN101343991B Well completion method of single inner diameter well completion structure |
| 05/30/2012 | CN101182765B Single well pressure boost gas production device |
| 05/30/2012 | CN101099024B Methods and apparatus for drilling, completing and configuring u-tube boreholes |
| 05/29/2012 | US8188012 Process of using hard brine at high alkalinity for enhanced oil recovery (EOR) applications |
| 05/29/2012 | US8186456 Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods |
| 05/29/2012 | US8186442 System, vessel and method for production of oil and heavier gas fractions from a reservoir below the seabed |
| 05/29/2012 | US8186439 Controller for a hydraulically operated downhole tool |
| 05/29/2012 | US8186437 Assembly for controlled delivery of downhole treatment fluid |
| 05/29/2012 | US8186435 Method and apparatus for stimulating wells with propellants |
| 05/29/2012 | US8186434 Method of stimulation using hollow, non-spherical particulates |
| 05/29/2012 | US8186433 Methods of gravel packing long interval wells |
| 05/29/2012 | US8186431 Method of fracturing a subterranean formation at optimized and pre-determined conditions |
| 05/29/2012 | US8186430 Method and system for extraction of hydrocarbons from oil sands |
| 05/29/2012 | US8186429 Wellbore method and apparatus for completion, production and injection |
| 05/29/2012 | US8186427 One trip cemented expandable monobore liner system and method |
| 05/29/2012 | US8186425 Sympathetic ignition closed packed propellant gas generator |
| 05/29/2012 | US8186259 Perforating gun gravitational orientation system |
| 05/29/2012 | CA2716430C Pump drive head with stuffing box |
| 05/29/2012 | CA2675191C Plug protection system and method |
| 05/29/2012 | CA2594413C In situ combustion in gas over bitumen formations |
| 05/29/2012 | CA2491300C Dovetail thread coupling for expandable tubulars |
| 05/24/2012 | WO2012068397A2 Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
| 05/24/2012 | WO2012068330A2 Foamers for downhole injection |
| 05/24/2012 | WO2012068122A1 Rapid deployment frac water transfer system |
| 05/24/2012 | WO2012067898A2 Isolating wet connect components for deployed electrical submersible pumps |
| 05/24/2012 | WO2012067770A1 Parallel fed well antenna array for increased heavy oil recovery |
| 05/24/2012 | WO2012067769A2 Triaxial linear induction antenna array for increased heavy oil recovery |
| 05/24/2012 | WO2012067768A2 Twinaxial linear induction antenna array for increased heavy oil recovery |
| 05/24/2012 | WO2012066290A2 Downhole method and apparatus |
| 05/24/2012 | WO2012066250A1 Tower for exploiting fluid in an expanse of water and associated installation method |
| 05/24/2012 | WO2012065259A1 Kobe sub, wellbore tubing string apparatus and method |
| 05/24/2012 | WO2012065243A1 Process and apparatus for removal of oxygen from seawater |
| 05/24/2012 | WO2012065218A1 A segmented riser bundle |
| 05/24/2012 | WO2012047493A3 Processing oil from steam assisted production |
| 05/24/2012 | US20120125644 Enhanced oil recovery in low permeability reservoirs |
| 05/24/2012 | US20120125643 Process for mineral oil production using hydrophobically associating copolymers |
| 05/24/2012 | US20120125625 System and method for intermittent gas lift |
| 05/24/2012 | US20120125624 Ultra-pumps systems |
| 05/24/2012 | US20120125623 Collector for capturing flow discharged from a subsea blowout |
| 05/24/2012 | US20120125620 Foamers for downhole injection |
| 05/24/2012 | US20120125619 Active external casing packer (ecp) for frac operations in oil and gas wells |
| 05/24/2012 | US20120125618 Method for hydraulic fracturing of subterranean formation |
| 05/24/2012 | US20120125617 Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
| 05/24/2012 | US20120125616 Method for integrated enhanced oil recovery from heterogeneous reservoirs |
| 05/24/2012 | US20120125615 Mixing tank and method of use |
| 05/24/2012 | US20120125613 Method and Apparatus for Underground Oil Extraction |
| 05/24/2012 | US20120125611 Water injection systems and methods |
| 05/24/2012 | US20120125610 Combustion Thermal Generator and Systems and Methods for Enhanced Oil Recovery |
| 05/24/2012 | US20120125609 Triaxial linear induction antenna array for increased heavy oil recovery |
| 05/24/2012 | US20120125608 Twinaxial linear induction antenna array for increased heavy oil recovery |
| 05/24/2012 | US20120125607 Parallel fed well antenna array for increased heavy oil recovery |
| 05/24/2012 | US20120125606 Aqueous formulations of hydrophobically associating copolymers and surfactants and use thereof for mineral oil production |
| 05/24/2012 | US20120125605 Systems and Methods For Enhanced Waterfloods |
| 05/24/2012 | US20120125604 Systems and Methods For Enhanced Waterfloods |
| 05/24/2012 | US20120125603 Systems and Methods For Enhanced Waterfloods |
| 05/24/2012 | US20120125602 Monitoring Injected Nonhydrocarbon And Nonaqueous Fluids Through Downhole Fluid Analysis |
| 05/24/2012 | US20120125601 Separating device for tubular flow-through devices |
| 05/24/2012 | US20120125599 Artificial Simultaneous Production And Maintenance System Assisted By Mechanical Pumping With Flexible Tubing For Fluid Extraction |
| 05/24/2012 | DE112008001760B4 Druckausgleicher in einer elektrischen Tauchpumpenanordnung mit Druckkammer, der zwei Druckbarrieren aufweist Pressure compensator in an electric submersible pump assembly with pressure chamber, which has two pressure barriers |
| 05/24/2012 | DE102010052260A1 Transporting and storing hydrogen, comprises introducing hydrogen into natural gas, transporting and/or storing the introduced hydrogen with natural gas as a gas mixture, and determining the hydrogen content of the gas mixture |
| 05/24/2012 | DE102010025700B4 Vorrichtung zum Verhindern eines Durchtritts einer Flüssigkeit A device for preventing passage of a fluid |
| 05/24/2012 | DE102010023542B4 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 |
| 05/24/2012 | CA2817871A1 Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
| 05/24/2012 | CA2817777A1 Kobe sub, wellbore tubing string apparatus and method |
| 05/24/2012 | CA2817739A1 Isolating wet connect components for deployed electrical submersible pumps |
| 05/24/2012 | CA2817725A1 Rapid deployment frac water transfer system |
| 05/24/2012 | CA2817627A1 Foamers for downhole injection |
| 05/24/2012 | CA2817343A1 Downhole method and apparatus |
| 05/24/2012 | CA2816102A1 Parallel fed well antenna array for increased heavy oil recovery |
| 05/24/2012 | CA2816101A1 Triaxial linear induction antenna array for increased heavy oil recovery |
| 05/24/2012 | CA2816023A1 Twinaxial linear induction antenna array for increased heavy oil recovery |
| 05/23/2012 | EP2455581A2 Methods and compositions for determination of fracture geometry in subterranean formations |
| 05/23/2012 | EP2455579A1 Gas lift nozzle valve |
| 05/23/2012 | EP2454448A2 Apparatus and method for controlling flow of solids into wellbores using filter media containing an array of three-dimensional elements |
| 05/23/2012 | EP2454444A2 Downhole intervention |
| 05/23/2012 | EP2454443A2 Production riser |
| 05/23/2012 | EP2454442A1 Oil pipe suspension device, and installation method |
| 05/23/2012 | CN202228717U Pressure steering device |
| 05/23/2012 | CN202228687U Adjustable seal device for input shaft of pumping unit |
| 05/23/2012 | CN202228613U Belt adjusting device of beam-pumping unit |
| 05/23/2012 | CN202228108U Push-and-pull fixing device for carbon dioxide (CO2) gas exploitation device |
| 05/23/2012 | CN202228071U Stratum perforation testing device |
| 05/23/2012 | CN202228068U Pressure test device for thermal insulation pipe in heavy oil thermal production well |
| 05/23/2012 | CN202228060U Pressure-relief liquid injection device for producing well |
| 05/23/2012 | CN202228059U Experimental system for foaming agent used for water pumping gas production |
| 05/23/2012 | CN202228058U Well-flushing balanced injection string |
| 05/23/2012 | CN202228057U Flow-guiding injector |
| 05/23/2012 | CN202228056U Four-stage four-section separated-injection pipe column protected by inserted sealing jacket and capable of backwashing well |
| 05/23/2012 | CN202228055U Novel anti-block oil nozzle |
| 05/23/2012 | CN202228054U Dedicated multilevel spearhead for downhole perforation |
| 05/23/2012 | CN202228053U Cable storing device special for underground perforation |
| 05/23/2012 | CN202228052U Secondary explosion cladding synergistic perforator |
| 05/23/2012 | CN202228051U Communication-type load-reducing device suitable for heavy oil production by mixing thin oil |
| 05/23/2012 | CN202228050U Crank slide block vertical type stroke-extending oil pumping machine |
| 05/23/2012 | CN202228049U Driving and reversing mechanism of rack-type pumping unit |
| 05/23/2012 | CN202228048U Oil pumping machine with gear reciprocating on rack |
| 05/23/2012 | CN202228047U Novel six-rod linkage cluster well pumping unit |
| 05/23/2012 | CN202228046U Double-well oil pumping unit of direct-drive motor |