| 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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| 02/27/2011 | CA2713751A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 02/27/2011 | CA2713749A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 02/27/2011 | CA2713745A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |
| 02/26/2011 | CA2713790A1 Fluid injection device |
| 02/26/2011 | CA2713603A1 Method of managing a petroleum storage tank on the basis of an optimized history matching |
| 02/26/2011 | CA2713325A1 Rate induced diversion for multi-stage stimulation |
| 02/24/2011 | WO2011022324A2 Method for determining formation fluid control events in a borehole using a dynamic annular pressure control system |
| 02/24/2011 | WO2011022323A2 Self aligning mud saver valve seat |
| 02/24/2011 | WO2011022220A2 Fiber optic gravel distribution position sensor system |
| 02/24/2011 | WO2011022211A2 Alternating flow resistance increases and decreases for propagating pressure pulses in a subterranean well |
| 02/24/2011 | WO2011022210A2 Flow path control based on fluid characteristics to thereby variably resist flow in a subterranean well |
| 02/24/2011 | WO2011022012A1 Fracture characterization using directional electromagnetic resistivity measurements |
| 02/24/2011 | WO2011021945A1 Vertical connector for use on the seabed |
| 02/24/2011 | WO2011021095A1 Emerging technologies for optimising recovery from heavy crude deposits |
| 02/24/2011 | WO2011021073A1 Acoustic monitoring of hydrocarbon production |
| 02/24/2011 | WO2011020998A2 Method for improving waterflood performance using barrier fractures and inflow control devices |
| 02/24/2011 | WO2010151661A3 Sampling skid for subsea wells |
| 02/24/2011 | WO2010141256A3 Multiple zone isolation method |
| 02/24/2011 | WO2010129262A3 Thermal component temperature management system and method |
| 02/24/2011 | WO2010129225A3 Submersible pump having a two-step control hydraulic valve |
| 02/24/2011 | WO2010126971A3 Systems and methods for reducing vortex induced vibrations |
| 02/24/2011 | WO2010126874A3 Systems and methods for installing structures in a body of water |
| 02/24/2011 | WO2010120469A4 Open hole frac system |
| 02/24/2011 | WO2010037993A3 Methods and equipment to improve reliability of pinpoint stimulation operations |
| 02/24/2011 | WO2010021903A1 Method for removing silica from evaporator concentrate |
| 02/24/2011 | WO2009138735A3 Methods of initiating intersecting fractures using explosive and cryogenic means |
| 02/24/2011 | US20110042103 Load distributing apparatus and method |
| 02/24/2011 | US20110042098 Method For Geophysical And Stratigraphic Interpretation Using Waveform Anomalies |
| 02/24/2011 | US20110042097 Apparatus, assembly and process for injecting fluid into a subterranean well |
| 02/24/2011 | US20110042096 Downhole Apparatus with a Swellable Mantle |
| 02/24/2011 | US20110042093 Pumping module and system |
| 02/24/2011 | US20110042090 Composite micro-coil for downhole chemical delivery |
| 02/24/2011 | US20110042089 Openhole perforating |
| 02/24/2011 | US20110042087 Shot Perforator Device and Method for Water Well Bore Decommissioning |
| 02/24/2011 | US20110042085 Method and Apparatus for In Situ Extraction of Bitumen or Very Heavy Oil |
| 02/24/2011 | US20110042084 Irregular pattern treatment of a subsurface formation |
| 02/24/2011 | US20110042083 Method of improving waterflood performance using barrier fractures and inflow control devices |
| 02/24/2011 | US20110042082 Methods and Apparatuses for Releasing a Chemical into a Well Bore Upon Command |
| 02/24/2011 | US20110042080 Determining fracture orientation using wellbore acoustic radial profiles |
| 02/24/2011 | US20110042077 Formation tester tool assembly |
| 02/24/2011 | US20110042073 Gravity interpretation workflow in injection wells |
| 02/24/2011 | US20110042063 Apparatus for in-situ extraction of bitumen or very heavy oil |
| 02/24/2011 | US20110042062 Device for removing liquids from the well-bore of a gas producing well |
| 02/24/2011 | US20110042061 Fiber Optic Gravel Distribution Position Sensor System |
| 02/24/2011 | CA2771469A1 Emerging technologies for optimizing recovery from heavy crude deposits |
| 02/24/2011 | CA2771350A1 Self aligning mud saver valve seat |
| 02/24/2011 | CA2770177A1 Method for improving waterflood performance using barrier fractures and inflow control devices |
| 02/24/2011 | CA2768208A1 Flow path control based on fluid characteristics to thereby variably resist flow in a subterranean well |
| 02/23/2011 | EP2287443A2 Downhole apparatus |
| 02/23/2011 | EP2287442A2 Downhole apparatus |
| 02/23/2011 | EP2287441A2 Oil and gas field chemicals |
| 02/23/2011 | EP2287440A1 Compositions and their use for sealing subterranean zones |
| 02/23/2011 | EP2287439A1 Method of completing a well |
| 02/23/2011 | EP2287438A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 02/23/2011 | EP2286061A2 Formation treatment evaluation |
| 02/23/2011 | EP2286060A1 Rotator for wireline conveyed wellbore instruments and method for rotating an instrument in a wellbore |
| 02/23/2011 | EP2286037A1 Pit and related covered filter tube |
| 02/23/2011 | EP1941003B1 Methods of filtering a liquid stream produced from an in situ heat treatment process |
| 02/23/2011 | CN201751532U Oil layer ignition electric heater |
| 02/23/2011 | CN101981272A Low emission power generation and hydrocarbon recovery systems and methods |
| 02/23/2011 | CN101981271A Method for enhancing heavy hydrocarbon recovery |
| 02/23/2011 | CN101981270A System and method for recompletion of old wells |
| 02/23/2011 | CN101979917A Natural circulating steam injection boiler fed with high salt-containing softened water and water circulating method |
| 02/23/2011 | CN101979829A Underground magnetic navigation method |
| 02/23/2011 | CN101979828A Coal bed methane multi-branch horizontal well system and auxiliary discharge well thereof |
| 02/23/2011 | CN101979827A Method for supporting horizontal section wellbore for coal bed gas horizontal well |
| 02/23/2011 | CN101979826A Method for repairing coal bed gas multi-branch horizontal accident well |
| 02/23/2011 | CN101979825A Process technology for complex blockage removal of chlorine dioxide |
| 02/23/2011 | CN101979824A Double-well linkage hydraulic auxiliary pumping unit |
| 02/23/2011 | CN101979823A Hydraulic jet perforation, fracturing and gas lift liquid drainage integrated technical pipe column |
| 02/23/2011 | CN101979816A Coal bed gas horizontal well and drainage-mining straight well combined well drilling construction method |
| 02/22/2011 | US7893011 Wellbore servicing; magnesium oxide; magnesium chloride, sodium phosphate soluble salt; quaternary amide viscosifier; quaternary amide ester; surfactant; retarder |
| 02/22/2011 | US7893010 Composition and method for fluid recovery from well |
| 02/22/2011 | US7891428 Safety valve |
| 02/22/2011 | US7891427 System and method for management of steam flooding for oil wells |
| 02/22/2011 | US7891423 System and method for optimizing gravel deposition in subterranean wells |
| 02/22/2011 | US7891421 Method and apparatus for in-situ radiofrequency heating |
| 02/22/2011 | US7891420 Wellbore apparatus and method for completion, production and injection |
| 02/22/2011 | CA2678301C Energy recovery and reuse for gel production |
| 02/22/2011 | CA2491942C Method for upward growth of a hydraulic fracture along a well bore sandpacked annulus |
| 02/22/2011 | CA2463103C Seismic monitoring of in situ conversion in a hydrocarbon containing formation |
| 02/20/2011 | CA2712882A1 Latching mechanism for changing pump size |
| 02/20/2011 | CA2675903A1 Methods for increasing the recovery rate of a hydrocarbon from an underground reservoir |
| 02/18/2011 | CA2711083A1 Wellbore circulation assembly |
| 02/17/2011 | WO2011020103A1 A composition comprising peroxygen and surfactant compounds and method of using the same |
| 02/17/2011 | WO2011019989A2 Apparatus and method for passive fluid control in a wellbore |
| 02/17/2011 | WO2011019958A2 System and method for a direct drive pump |
| 02/17/2011 | WO2011019791A2 Thermal vapor stream apparatus and method |
| 02/17/2011 | WO2011019750A2 Hydraulic geofracture energy storage system |
| 02/17/2011 | WO2011019645A2 Permanent magnet linear motor actuated safety valve and method |
| 02/17/2011 | WO2011019632A1 Enhanced oil recovery systems and methods |
| 02/17/2011 | WO2011019565A2 Reservoir architecture and connectivity analysis |
| 02/17/2011 | WO2011019053A1 Device and method for sequestering a substance |
| 02/17/2011 | WO2011018688A2 Manipulation of flow underground |
| 02/17/2011 | WO2011017771A1 Method, system and apparatus for subsurface flow manipulation |
| 02/17/2011 | WO2010126262A3 Apparatus for extracting crude oil from sand |
| 02/17/2011 | US20110036750 Composition comprising peroxygen and surfactant compounds and method of using the same |
| 02/17/2011 | US20110036587 Method and system for riserless casing seat optimization |
| 02/17/2011 | US20110036584 Determining fluid rheological properties |
| 02/17/2011 | US20110036583 Slip-layer fluid placement |