| 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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| 05/23/2002 | US20020060066 Memory gravel pack imaging apparatus and method |
| 05/23/2002 | US20020059866 Separating downhole gaseous and liquid components of fluid produced from a hydrocarbon bearing formation, and reinjecting at least a portion of the gaseous and liquid components back into the formation |
| 05/22/2002 | EP1206624A1 Well screen having an internal alternate flowpath |
| 05/22/2002 | EP1206310A1 An apparatus for separation of a fluid flow, especially into a gas phase and a liquid phase |
| 05/22/2002 | CN2492692Y Intelligent screw oil pumping unit |
| 05/22/2002 | CN2492680Y Sealed tubualr anti-axplosion casing for composite oil-gas well perforator |
| 05/22/2002 | CN1350499A 工作船 Workboat |
| 05/22/2002 | CN1085304C Progressive cavity pump using composite materials |
| 05/21/2002 | US6391830 Divalent cation-containing well drilling and servicing fluids |
| 05/21/2002 | US6390201 Method of creating a downhole sealing and hanging device |
| 05/21/2002 | US6390198 Method for running two tubing strings into a well |
| 05/21/2002 | US6390195 Methods and compositions for forming permeable cement sand screens in well bores |
| 05/21/2002 | US6390191 Method for stimulating hydrocarbon production |
| 05/21/2002 | US6390114 Method and apparatus for suppressing and controlling slugflow in a multi-phase fluid stream |
| 05/21/2002 | CA2058846C Single horizontal wellbore process/apparatus for the in-situ extraction of viscous oil by gravity action using steam plus solvent vapor |
| 05/21/2002 | CA2054818C Method for facilitating fluid injection in a producing well |
| 05/21/2002 | CA2045927C Advanced activation and measurement device used during production of non eruptive wells |
| 05/16/2002 | WO2002038911A1 Apparatus and method for clamping a rod and hanging it within a wellbore |
| 05/16/2002 | WO2002038343A2 Apparatus and methods for separating and joining tubulars in a wellbore |
| 05/16/2002 | WO2002002900A3 Apparatus and method to complete a multilateral junction |
| 05/16/2002 | US20020057905 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids |
| 05/16/2002 | US20020056553 Expandable elements |
| 05/16/2002 | US20020056552 In situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids |
| 05/16/2002 | US20020056551 In situ thermal processing of a hydrocarbon containing formation in a reducing environment |
| 05/16/2002 | US20020056550 Rehabilitation of landfill gas recovery wells |
| 05/16/2002 | DE19831234C2 Verfahren und Vorrichtung zur Aussolung geneigter Lagerstätten Method and apparatus for brining inclined deposits |
| 05/16/2002 | DE10143363A1 Mikroschalter zur Verwendung in einer Bohrung Micro-switch for use in a bore |
| 05/15/2002 | EP1204808A1 Drilling and completion system for multilateral wells |
| 05/15/2002 | EP1204807A1 Device and method for maintaining and guiding a riser, and method for transferring a riser onto a floating support |
| 05/15/2002 | EP1204806A1 Floating support comprising a central cavity including a plurality of sections |
| 05/15/2002 | EP0685020B9 Method and system for remediation of groundwater contamination |
| 05/15/2002 | CN2491623Y Lever pump having weighting tube |
| 05/15/2002 | CN2491622Y Double acting pump for well oil water separation and refilling |
| 05/15/2002 | CN2491601Y Chain belt pumping unit |
| 05/15/2002 | CN1349037A Apparatus and method for placing data testing device into under-ground rock stratum |
| 05/14/2002 | US6388577 High impact communication and control system |
| 05/14/2002 | US6387278 Increasing subterranean mobilization of organic contaminants and petroleum by aqueous thermal oxidation |
| 05/14/2002 | US6386322 Method and apparatus for oil well pumping |
| 05/14/2002 | US6386296 Method and apparatus of protecting explosives |
| 05/14/2002 | US6386289 Reclosable circulating valve for well completion systems |
| 05/14/2002 | US6386288 Casing conveyed perforating process and apparatus |
| 05/14/2002 | US6386287 Deviated borehole drilling assembly |
| 05/14/2002 | US6386109 Shock barriers for explosives |
| 05/14/2002 | US6386108 Initiation of explosive devices |
| 05/14/2002 | CA2232890C Pump to surface pump |
| 05/14/2002 | CA2185176C Pump/separator apparatus for viscous liquids |
| 05/14/2002 | CA2171899C Downhole pump drive head assembly |
| 05/14/2002 | CA2044330C Advanced method and device for enhancing production loggings of an activated noneruptive well |
| 05/10/2002 | WO2002036936A1 Flow controller with downhole pumping system |
| 05/10/2002 | WO2001009477A3 Wire carrier perforating gun |
| 05/09/2002 | US20020054819 Hydraulic submersible insert rotary pump and drive assembly |
| 05/09/2002 | US20020053439 Sand screen with communication line conduit |
| 05/09/2002 | US20020053437 Apparatus for establishing branch wells from a parent well |
| 05/09/2002 | US20020053436 In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon material |
| 05/09/2002 | US20020053435 In situ thermal processing of a hydrocarbon containing formation using a relatively slow heating rate |
| 05/09/2002 | US20020053434 Downhole anchoring tools conveyed by non-rigid carriers |
| 05/09/2002 | US20020053432 In situ thermal processing of a hydrocarbon containing formation using repeating triangular patterns of heat sources |
| 05/09/2002 | US20020053431 In situ thermal processing of a hydrocarbon containing formation to produce a selected ratio of components in a gas |
| 05/09/2002 | US20020053429 In situ thermal processing of a hydrocarbon containing formation using pressure and/or temperature control |
| 05/09/2002 | US20020053426 Method and apparatus for increasing fluid recovery from a subterranean formation |
| 05/08/2002 | EP1203177A1 Expandable joint connector |
| 05/08/2002 | EP1203139A1 Methods and apparatus for the emergency actuation of control systems |
| 05/08/2002 | EP1058770B1 Energy recovery in a wellbore |
| 05/08/2002 | CN2490331Y Anti-sand integral pump cylinder tube-type oil-well pump |
| 05/08/2002 | CN2490317Y Eccentric throtting water flow regulator |
| 05/08/2002 | CN2490316Y Inertialess beam-balanced pump |
| 05/08/2002 | CN2490315Y Preoffset long-stroke beam pumping unit |
| 05/08/2002 | CN1348525A Explosion prevention system for internal turret mooring system |
| 05/07/2002 | US6385031 Switches for use in tools |
| 05/07/2002 | US6384738 Pressure impulse telemetry apparatus and method |
| 05/07/2002 | US6383262 Energy recovery in a wellbore |
| 05/07/2002 | US6382321 Dewatering natural gas-assisted pump for natural and hydrocarbon wells |
| 05/07/2002 | US6382320 Method and system for offshore production of hydrocarbon fluids |
| 05/07/2002 | US6382319 Method and apparatus for open hole gravel packing |
| 05/07/2002 | US6382318 Filter for subterranean use |
| 05/07/2002 | US6382317 Apparatus and method for separating gas and solids from well fluids |
| 05/07/2002 | US6382316 Method and system for producing fluids in wells using simultaneous downhole separation and chemical injection |
| 05/07/2002 | US6382244 Reciprocating pump standing head valve |
| 05/07/2002 | CA2286823C Apparatus and method for pumping fluids for use with a downhole rotary pump |
| 05/02/2002 | WO2002035061A2 Method and pumping out means for improving the supply of water to a source or a water procurement well |
| 05/02/2002 | WO2002035060A1 Gas displaced chamber lift system having gas lift assist |
| 05/02/2002 | WO2002035059A1 Fluid property sensors and associated methods of calibrating sensors in a subterranean well |
| 05/02/2002 | WO2002035058A1 Downhole expandable tubing |
| 05/02/2002 | WO2002035057A1 Gas displaced chamber lift system with closed loop/multi-stage vents |
| 05/02/2002 | WO2000079099A9 System for improving coalbed gas production |
| 05/02/2002 | US20020052297 Mixture of hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. |
| 05/02/2002 | US20020050930 Apparatus and method for downhole well equipment and process management, identification, and operation |
| 05/02/2002 | US20020050361 Novel completion method for rigless intervention where power cable is permanently deployed |
| 05/02/2002 | US20020050360 Forming a wellbore casing while simultaneously drilling a wellbore |
| 05/02/2002 | US20020050358 Flow control in multilateral wells |
| 05/02/2002 | US20020050357 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| 05/02/2002 | US20020050356 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/C ratio |
| 05/02/2002 | US20020050353 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
| 05/02/2002 | US20020050352 In situ thermal processing of a hydrocarbon containing formation to control product composition |
| 05/02/2002 | EP1201875A2 Downhole tool |
| 05/02/2002 | EP1200708A2 Apparatus for optimizing production of multi-phase fluid |
| 05/02/2002 | EP1200706A1 System and method for real time reservoir management |
| 05/02/2002 | EP0960263B1 Tool and method for removing excess cement from the top of a liner after hanging and cementing thereof |
| 05/02/2002 | EP0941200B1 Method and apparatus for disconnecting and retrieving multiple risers attached to a floating vessel |
| 05/01/2002 | CN2489114Y Oil pipe pumping type well pump |