| 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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| 06/03/2004 | WO2003067025A9 Interpretation and design of hydraulic fracturing treatments |
| 06/03/2004 | WO2003023179B1 System for lining a wellbore casing |
| 06/03/2004 | WO2002066786A8 Seafloor-surface connecting installation of a submarine pipeline installed at great depth |
| 06/03/2004 | US20040104575 Expandable coupling |
| 06/03/2004 | US20040104031 Latch profile installation in existing casing |
| 06/03/2004 | US20040104029 Intelligent perforating well system and method |
| 06/03/2004 | US20040104027 Optimization of reservoir, well and surface network systems |
| 06/03/2004 | US20040104026 Expandable systems that facilitate desired fluid flow |
| 06/03/2004 | US20040104024 Flow completion apparatus |
| 06/03/2004 | US20040104023 Double-cone device and pump |
| 06/03/2004 | DE69816743T2 Fiberoptische sensoren und ansteuervorrichtungen in bohrloechern Fiberoptic Sensors and Control devices in boreholes |
| 06/03/2004 | DE10251078B3 Abdichtungssystem für den Zwischenraum im Übergangsbereich zweier Brunnenrohre unterschiedlicher Durchmesser und Montagewerkzeug hierzu Sealing system for the gap in the transition region of two tubes of different diameter and fountain assembly tool for this purpose |
| 06/02/2004 | EP1423736A1 Concentrating seismic energy in a selected target point in an underground formation |
| 06/02/2004 | EP1423583A1 Adjustable well screen assembly |
| 06/02/2004 | EP1423181A1 Downhole gas separation method and system |
| 06/02/2004 | EP1165933B1 Wellbore packer |
| 06/02/2004 | CN2619052Y Packer water distribution device |
| 06/02/2004 | CN2619051Y Movable casing gas recovery device |
| 06/02/2004 | CN2619050Y Variable stroke rate oil pumping machine |
| 06/02/2004 | CN2619049Y Novel rubber tube for fetching oil |
| 06/02/2004 | CN1502024A Expandable coupling |
| 06/02/2004 | CN1501019A Steam injection boiler flue gas waste heat comprehensive utilization system for oil field |
| 06/02/2004 | CN1500967A Gasification process by combining underground gasification furnaces |
| 06/02/2004 | CN1500966A Apparatus and method for sampling an earth formation through a cased borehole |
| 06/02/2004 | CA2574989A1 Method and system for extraction of resources from a subterranean well bore |
| 06/01/2004 | US6745159 Process of designing screenless completions for oil or gas wells |
| 06/01/2004 | US6742606 Method and apparatus for drilling and lining a wellbore |
| 06/01/2004 | US6742602 Perforating gun firing head with vented block for holding detonator |
| 06/01/2004 | US6742598 Method of expanding a sand screen |
| 06/01/2004 | US6742594 Flowline jumper for subsea well |
| 06/01/2004 | US6742593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation |
| 06/01/2004 | US6742591 Downhole apparatus |
| 06/01/2004 | US6742590 Methods of treating subterranean formations using solid particles and other larger solid materials |
| 06/01/2004 | US6742589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
| 06/01/2004 | US6742588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| 06/01/2004 | US6742587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 06/01/2004 | US6742586 Apparatus for preventing erosion of wellbore components and method of fabricating same |
| 05/27/2004 | WO2004044377A1 Perforating gun quick connection system |
| 05/27/2004 | WO2004044376A1 Alternate path auger screen |
| 05/27/2004 | WO2004044371A1 Replaceable liner for metal lined composite risers in offshore applications |
| 05/27/2004 | WO2004044370A2 Devices and methods for extraction, transportation and/or release of material |
| 05/27/2004 | WO2004044368A2 Orientation system for a subsea well |
| 05/27/2004 | WO2004044367A2 Drilling and producing deep water subsea wells |
| 05/27/2004 | US20040099616 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 05/27/2004 | US20040099615 Groove ring for dividing fluid flow; centrifuging solid suspension; cyclone separator |
| 05/27/2004 | US20040099424 Latch profile installation in existing casing |
| 05/27/2004 | US20040099423 Method and apparatus for expandable liner hanger with bypass |
| 05/27/2004 | US20040099422 Subsea riser separator system |
| 05/27/2004 | US20040099418 Reservoir communication by creating a local underbalance and using treatment fluid |
| 05/27/2004 | US20040099417 Methods and apparatus for production of hydrocarbons |
| 05/27/2004 | US20040099412 Alternate path auger screen |
| 05/27/2004 | DE202004001210U1 Deep well for arid areas uses underwater injector connected to water pump with suction pipe to feed container |
| 05/26/2004 | CN2617953Y Bridge inlet channel device of piping oil well pump |
| 05/26/2004 | CN2617952Y Bailing pump |
| 05/26/2004 | CN2617924Y Drop-in reversal double layer fracturing nozzle assembly |
| 05/26/2004 | CN2617923Y High pressure diffusing and mixing device for filling well |
| 05/26/2004 | CN2617922Y Oil production well changed from water filling well |
| 05/26/2004 | CN2617920Y Water injection flow controlling valves |
| 05/26/2004 | CN1500185A Well jet device |
| 05/26/2004 | CN1500177A Hydraulic fracturing fluid comprising block copolymer contg. at least one water-soluble block and one hydrophobic block |
| 05/26/2004 | CN1500176A Oil well perforator |
| 05/26/2004 | CN1500174A Method and system for accessing subterranean zones from limited surface area |
| 05/26/2004 | CN1500131A Integrated bitumen prodn. and gas conversion |
| 05/26/2004 | CN1499041A Method regenerating body tube phi 102-phi 104 of perforating gun used in oil field |
| 05/25/2004 | US6739398 Liner hanger running tool and method |
| 05/25/2004 | US6739394 Providing heat and a synthesis gas generating fluid to the section to generate synthesis gas |
| 05/25/2004 | US6739393 In situ thermal processing of a coal formation and tuning production |
| 05/25/2004 | US6739392 Forming a wellbore casing while simultaneously drilling a wellbore |
| 05/25/2004 | CA2264336C Expanding mandrel inflatable packer |
| 05/21/2004 | WO2004042191A1 Hydraulic fracturing method |
| 05/21/2004 | WO2004042189A1 Method to solids-pack non-vertical wellbores |
| 05/21/2004 | WO2004042187A1 Inhibiting breakthrough of driving fluid via a permeable geological layer into an oil production well |
| 05/21/2004 | WO2004003506A3 In-situ detection and analysis of coal bed methane formations |
| 05/21/2004 | WO2003036037A3 Installation and use of removable heaters in a hydrocarbon containing formation |
| 05/20/2004 | US20040098218 System for acquiring data from a facility and method |
| 05/20/2004 | US20040094312 Expander for expanding a tubular element |
| 05/20/2004 | US20040094309 Hydraulically activated swivel for running expandable components with tailpipe |
| 05/20/2004 | US20040094307 Method for controlling fluid flow into an oil and/or gas production well |
| 05/20/2004 | US20040094304 Washpipeless isolation strings and methods for isolation with object holding service tool |
| 05/20/2004 | US20040094299 Well treating process and system |
| 05/19/2004 | EP1418817A1 Method for reducing solids buildup in hydrocarbon streams produced from wells |
| 05/19/2004 | CN2616724Y Speed reducer protecting device for screw pump oil-producing system |
| 05/19/2004 | CN2616712Y Efficient air-trapping oil-well pump |
| 05/19/2004 | CN2616711Y Sand-washing oil-well pump |
| 05/19/2004 | CN2616710Y Sand pump for oil field and oil well |
| 05/19/2004 | CN2616709Y Dual-suction separative-production two-functional deep-well pump for pumping well |
| 05/19/2004 | CN2616684Y Heat, electricity, Co2, N2 united supply apparatus for oil field production |
| 05/19/2004 | CN2616683Y Injection well down-hole flow core |
| 05/19/2004 | CN2616682Y Eccentric injection well down-hole flow |
| 05/19/2004 | CN2616681Y Changeable plate-screen sand-preventing tube |
| 05/19/2004 | CN2616680Y Sucker rod |
| 05/19/2004 | CN2616679Y Flywheel start-assitin pumping unit |
| 05/19/2004 | CN1498303A Double-cone device and pump. |
| 05/19/2004 | CN1150294C Non-toxic inexpensive synthetic drilling fluid |
| 05/18/2004 | US6737386 Aqueous based zirconium (IV) crosslinked guar fracturing fluid and a method of making and use therefor |
| 05/18/2004 | US6736880 Downhole gas/liquid separator system and method |
| 05/18/2004 | US6736215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration |
| 05/18/2004 | CA2339417C Well tubing rotator |
| 05/18/2004 | CA2120283C Down-hole gas separator |
| 05/13/2004 | WO2004040146A1 Well jet device operating method associated with hydrodynamic action performed on a well bore zone |