| 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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| 02/10/2005 | US20050028983 Vibrating system and method for use in scale removal and formation stimulation in oil and gas recovery operations |
| 02/10/2005 | US20050028979 Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications |
| 02/10/2005 | US20050028978 Gravel packing method |
| 02/10/2005 | US20050028977 Alternate path gravel packing with enclosed shunt tubes |
| 02/10/2005 | US20050028976 Compositions and methods for controlling the release of chemicals placed on particulates |
| 02/10/2005 | US20050028975 Method of stimulating long horizontal wells to improve well productivity |
| 02/10/2005 | US20050028971 Dynamic reduction of the moisture layer during the displacement of a viscoelastic fluid using a fluid with lower viscosity |
| 02/10/2005 | US20050028339 Hydraulic well casing repair system and method therefor |
| 02/09/2005 | EP1505251A2 Drilling method |
| 02/09/2005 | EP1504800A2 A method of phase separation of a mixture of at least two phases |
| 02/09/2005 | EP1075584A4 Extended reach tie-back system |
| 02/09/2005 | EP0939879B1 A plant for exploiting geothermal energy |
| 02/09/2005 | CN2677663Y Reducing back-stop hydraulic pumping device |
| 02/09/2005 | CN2677662Y Pumping hydraulic sand washing apparatus |
| 02/09/2005 | CN2677610Y Movable oil absorption mud suction device |
| 02/09/2005 | CN2677609Y Multi-nozzle large displacement integral bridge type hollow water distributor |
| 02/09/2005 | CN2677608Y High-strength anti-sand sieve tube with sutted seam |
| 02/09/2005 | CN2677607Y Oil production device with energy-saving submersible electric pump driven by cylindrical rare earth permanent-magnet linear electric machine |
| 02/09/2005 | CN2677606Y Antiskid unit for belt of beam-pumping unit |
| 02/09/2005 | CN2677595Y Lifting hydraulic cartridge container hanger |
| 02/09/2005 | CN1576099A Method for mounting a frac blender on a transport vehicle |
| 02/09/2005 | CN1188598C Submerged-in-oil electric piston pump |
| 02/09/2005 | CN1188585C Well screen having an internal alternate flowpath |
| 02/09/2005 | CN1188584C Electromagnetic heating composite oil dredging out tool |
| 02/08/2005 | US6853921 System and method for real time reservoir management |
| 02/08/2005 | US6851560 Drain element comprising a liner consisting of hollow rods for collecting in particular hydrocarbons |
| 02/08/2005 | US6851481 Electro-hydraulically pressurized downhole valve actuator and method of use |
| 02/08/2005 | US6851480 Gas operated automatic, liquid pumping system for wells |
| 02/08/2005 | US6851475 Apparatus and methods for separating and joining tubulars in a wellbore |
| 02/08/2005 | US6851474 Methods of preventing gravel loss in through-tubing vent-screen well completions |
| 02/08/2005 | US6851473 Enhancement of flow rates through porous media |
| 02/08/2005 | US6851471 Perforating gun |
| 02/08/2005 | US6851444 Closed loop additive injection and monitoring system for oilfield operations |
| 02/08/2005 | CA2441672C Method and system for accessing subterranean deposits from the surface |
| 02/08/2005 | CA2441671C Method and system for accessing subterranean deposits from the surface |
| 02/03/2005 | WO2005010320A1 Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons |
| 02/03/2005 | WO2005010129A2 Method for natural gas production |
| 02/03/2005 | WO2005009842A1 Shallow water riser support |
| 02/03/2005 | WO2004067594A3 Polyether polyesters having anionic functionality |
| 02/03/2005 | WO2004056441A3 Method and apparatus for mixture separation |
| 02/03/2005 | US20050023739 Shock absorbing and shock force generating apparatus and method for an oil pump |
| 02/03/2005 | US20050023222 Filtration apparatus and method |
| 02/03/2005 | US20050023199 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 02/03/2005 | US20050023003 Annular isolators for tubulars in wellbores |
| 02/03/2005 | US20050023002 System and methods for placing a braided tubular sleeve in a well bore |
| 02/03/2005 | US20050023001 Expanding tubing |
| 02/03/2005 | US20050022998 Plunger enhanced chamber lift for well installations |
| 02/03/2005 | US20050022997 Downhole hydraulic ram |
| 02/03/2005 | US20050022994 Well chemical treatment utilizing plunger lift delivery system |
| 02/03/2005 | US20050022991 Particulates and methods of utilizing these particulates in subterranean applications |
| 02/03/2005 | US20050022989 Water treatment method for heavy oil production |
| 02/03/2005 | US20050022988 System for increasing productivity of oil, gas and hydrogeological wells |
| 02/03/2005 | US20050022986 Adjustable expansion cone assembly |
| 02/02/2005 | EP1503258A1 Method to optimise the utilisation of a spouter |
| 02/02/2005 | EP1502002A2 Well completion with merged influx of well fluids |
| 02/02/2005 | EP1501999A1 Seafloor/surface connecting installation for a submarine pipeline which is connected to a riser by means of at least one elbow pipe element that is supported by a base |
| 02/02/2005 | EP1501645A2 Protective sleeve for threaded connections for expandable liner hanger |
| 02/02/2005 | EP1501644A2 Protective sleeve for threaded connections for expandable liner hanger |
| 02/02/2005 | EP1230467B1 Two-part connector for fluid carrying conduits |
| 02/02/2005 | CN2675910Y Thrust bearing short joint of submersible electric pump |
| 02/02/2005 | CN2675901Y Rotary sand-proof oil-well pump |
| 02/02/2005 | CN2675859Y Ground injection system apparatus |
| 02/02/2005 | CN2675858Y Perforator buttsplice with centralizing function |
| 02/02/2005 | CN2675857Y Friction block switching type selective sand control means |
| 02/02/2005 | CN1575377A Forming openings in a hydrocarbon containing formation using magnetic tracking |
| 02/02/2005 | CN1575376A In situ recovery from a hydrocarbon containing formation using barriers |
| 02/02/2005 | CN1575375A In situ updating of coal |
| 02/02/2005 | CN1575374A Seismic monitoring of in situ conversion in a hydrocarbon containing formation |
| 02/02/2005 | CN1575373A In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| 02/02/2005 | CN1575372A System for lining a section of a wellbore |
| 02/02/2005 | CN1575371A An entry well with slanted well bores and method |
| 02/02/2005 | CN1575370A Device for performing a downhole operation |
| 02/02/2005 | CN1187580C Multiphase flow measurement system |
| 02/02/2005 | CN1187110C Gas recovery device |
| 02/01/2005 | US6849582 Method of oil/gas well stimulation |
| 02/01/2005 | US6848510 Screen and method having a partial screen wrap |
| 02/01/2005 | US6848508 Slant entry well system and method |
| 02/01/2005 | US6848505 Alternative method to cementing casing and liners |
| 02/01/2005 | CA2325761C Downhole screen with tubular bypass |
| 02/01/2005 | CA2322407C Curved-beam pumping unit |
| 01/30/2005 | CA2473017A1 Well chemical treatment utilizing plunger lift deliver system |
| 01/27/2005 | WO2005008027A1 Self-diverting foamed system |
| 01/27/2005 | WO2005008026A1 Connector for perforating gun tandem |
| 01/27/2005 | WO2005007776A1 Method for production and upgrading of oil |
| 01/27/2005 | WO2004072432A3 Adjustable well screen assembly |
| 01/27/2005 | WO2004028656A3 System and method for material removal |
| 01/27/2005 | WO2004010039B1 Protective sleeve for threaded connections for expandable liner hanger |
| 01/27/2005 | US20050020454 Self-diverting foamed system |
| 01/27/2005 | US20050020453 In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol |
| 01/27/2005 | US20050017723 Evaluation of fracture geometries in rock formations |
| 01/27/2005 | US20050016740 Seal |
| 01/27/2005 | US20050016739 Tie back and method for use with expandable tubulars |
| 01/27/2005 | US20050016738 Expansion apparatus |
| 01/27/2005 | US20050016735 ROV retrievable sea floor pump |
| 01/27/2005 | US20050016732 Method of hydraulic fracturing to reduce unwanted water production |
| 01/27/2005 | US20050016731 Subterranean sandstone formation; oil and gas wells; flushing using hydrofluoric acid |
| 01/27/2005 | US20050016730 Apparatus and method for monitoring a treatment process in a production interval |
| 01/27/2005 | US20050016729 Linearly scalable geothermic fuel cells |
| 01/27/2005 | US20050016728 Perforating gun quick connection system |
| 01/27/2005 | US20050016725 Method for natural gas production |