| 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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| 01/31/2006 | US6991032 In situ thermal processing of an oil shale formation using a pattern of heat sources |
| 01/31/2006 | US6991031 In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products |
| 01/31/2006 | US6991030 Wellscreen having helical support surface |
| 01/31/2006 | CA2221062C Isolation/injection tool |
| 01/31/2006 | CA2215628C Well control systems employing downhole network |
| 01/31/2006 | CA2197377C Method and apparatus for hydrocarbon production and water disposal |
| 01/31/2006 | CA2120484C Gravel packing system |
| 01/26/2006 | WO2006009719A1 System and method for fracturing and gravel packing a borehole |
| 01/26/2006 | WO2006008506A1 Scale inhibition method |
| 01/26/2006 | WO2006008439A1 Water flooding method |
| 01/26/2006 | WO2005089399A3 A method and apparatus for downhole fluid analysis for reservoir fluid characterization |
| 01/26/2006 | US20060020438 Method and system for simulating a hydrocarbon-bearing formation |
| 01/26/2006 | US20060019836 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 01/26/2006 | US20060016688 Electrical treatment for oil based drilling or completion fluids |
| 01/26/2006 | US20060016624 Impact excavation system and method with suspension flow control |
| 01/26/2006 | US20060016622 Impact excavation system and method |
| 01/26/2006 | US20060016605 Motion compensator |
| 01/26/2006 | US20060016598 Lightweight proppant and method of making same |
| 01/26/2006 | US20060016597 Open hole expandable patch |
| 01/26/2006 | US20060016596 Treatment fluids and methods of use in subterranean formations |
| 01/26/2006 | US20060016595 Downhole Measurement System and Method |
| 01/26/2006 | US20060016591 Apparatus and method for agitating reservoir while pumping |
| 01/26/2006 | CA2573680A1 Water flooding method |
| 01/25/2006 | EP1619352A1 Method and system for accessing subterranean deposits from the surface |
| 01/25/2006 | EP1618282A1 Composition and method for treating a subterranean formation |
| 01/25/2006 | EP1618281A1 Mandrel for a gas lift valve |
| 01/25/2006 | EP1618280A1 Expander system for stepwise expansion of a tubular element |
| 01/25/2006 | EP1618279A1 Method of creating a borehole in an earth formation |
| 01/25/2006 | EP1618278A1 Expander system for incremental expansion of a tubular element |
| 01/25/2006 | CN2753898Y Moving-drum type air-trapping oil-pump |
| 01/25/2006 | CN2753878Y Microwave crude oil heating viscosity-reducing apparatus |
| 01/25/2006 | CN2753877Y Ball plug gas-life process ball-throwing time control hydraulic station |
| 01/25/2006 | CN2753876Y Long-stroke oil pumping unit |
| 01/25/2006 | CN2753873Y Simple self-mounting three-tube-base two-column wellhead platform |
| 01/25/2006 | CN1724845A Ultra long stroke beam-pumping unit |
| 01/24/2006 | US6989764 Apparatus and method for downhole well equipment and process management, identification, and actuation |
| 01/24/2006 | US6989355 under-neutralized composition provides a lower interfacial tension compared to the 100 percent neutralized alkylxylene sulfonic acid; method optionally employs suitable co-surfactants, such as alcohols, alcohol ethers, polyalkylene glycols |
| 01/24/2006 | US6989103 For oil and gas wells; acid neutralization of fluid; adjustment of pH; mixing with surfactant |
| 01/24/2006 | US6988568 Simultaneously operation to fill, store and dispense its contents; separate the liquid and solid particles; continuous process without stoping; separator is chosen from screen, filter, vibrator, hydrocyclone, centrifuges |
| 01/24/2006 | US6988555 Method for installing a water well pump |
| 01/24/2006 | US6988552 Removing any scale or deposits in gas wells, by injecting a liquid carbon dioxide at a pressure below the formation fracturing pressure, depressurization to vaporize carbon dioxide, and blow out any dissolved scale materials |
| 01/24/2006 | US6988550 Subterranean formation; low viscosity |
| 01/24/2006 | US6988549 SAGD-plus |
| 01/24/2006 | US6988548 Method and system for removing fluid from a subterranean zone using an enlarged cavity |
| 01/24/2006 | US6988547 Method and system of fluid analysis and control in hydrocarbon well |
| 01/24/2006 | CA2428725C Method for recovering hydrocarbons from tar sands and oil shales |
| 01/24/2006 | CA2246186C Methods of completing and producing a subterranean well and associated apparatus |
| 01/24/2006 | CA2240895C Water separator for a down hole drill |
| 01/24/2006 | CA2216973C Wire mesh filter |
| 01/21/2006 | CA2671526A1 Controlling transient pressure conditions in a wellbore |
| 01/21/2006 | CA2671521A1 Controlling transient pressure conditions in a wellbore |
| 01/19/2006 | US20060014650 Alkylxylene sulfonates for enhanced oil recovery processes |
| 01/19/2006 | US20060014649 Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
| 01/19/2006 | US20060011386 Impact excavation system and method with improved nozzle |
| 01/19/2006 | US20060011354 Surge reduction bypass valve |
| 01/19/2006 | US20060011351 Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rig |
| 01/19/2006 | US20060011349 Method of increasing gas well production |
| 01/19/2006 | US20060011348 Drilling and producing deep water subsea wells |
| 01/19/2006 | US20060011344 Coiled tubing conveyed milling |
| 01/19/2006 | US20060011342 Fluid loss control additives for use in fracturing subterranean formations |
| 01/19/2006 | US20060011340 Tubular expansion apparatus and method |
| 01/18/2006 | EP1617039A1 Brine based viscosified treatment fluids and associated methods |
| 01/18/2006 | EP1616076A2 Expanded liner system and method |
| 01/18/2006 | EP1616075A1 Surface flow controlled valve and screen |
| 01/18/2006 | EP1339946B1 Well treatment process |
| 01/18/2006 | EP0948703B1 Apparatus and method for expanding a liner patch; a stroke indicator; and a tubular patch |
| 01/18/2006 | CN2752485Y Underground antiturning-back device for screw pump |
| 01/18/2006 | CN2752484Y Oil well separate extracting pump |
| 01/18/2006 | CN2752483Y Particle deposition preventing oil-well pump |
| 01/18/2006 | CN2752482Y Moving back circulating hydraulic jet pump temporary forced sand removing device |
| 01/18/2006 | CN2752438Y Vehicular continuous injection profile control apparatus |
| 01/18/2006 | CN2752437Y 地面配水器 Ground water distribution |
| 01/18/2006 | CN2752436Y Moving water injection station |
| 01/18/2006 | CN2752435Y Buffer water storage container |
| 01/18/2006 | CN2752434Y Backwash water recovery processing unit |
| 01/18/2006 | CN2752433Y Oil well perforation self-locking security priming device |
| 01/18/2006 | CN2752432Y Squirrel-cage type ladder slit oil well sand proof sieve tube |
| 01/18/2006 | CN2752431Y Six link rod composite balance well pumping machine |
| 01/18/2006 | CN2752428Y Water injection well blowout preventing job oil tube internal plugs |
| 01/18/2006 | CN1721497A Acidizing fluid for oil well |
| 01/18/2006 | CN1721496A Oil well acidizing fluid containing organic phosphinic acid |
| 01/18/2006 | CN1721495A Oil well acidizing fluid containing organic phosphono and sulfonic acid |
| 01/18/2006 | CN1237257C Well treatment fluid composition and hydraulic fracturing method |
| 01/18/2006 | CN1237256C Method for increasing petroleum recovery ratio using three-component composite displacement emulsification |
| 01/18/2006 | CN1237255C Polish oil-pipe well nitrogen heat-insulating wellhole heat-transfer simulating technique |
| 01/17/2006 | US6987083 Xanthan gels in brines and methods of using such xanthan gels in subterranean formations |
| 01/17/2006 | US6986392 Recyclable foamed fracturing fluids and methods of using the same |
| 01/17/2006 | US6986391 Methods of fracturing subterranean zones penetrated by well bores and fracturing fluids therefor |
| 01/17/2006 | US6986388 Method and system for accessing a subterranean zone from a limited surface area |
| 01/17/2006 | CA2143269C Process for moving highly viscous petroleum products |
| 01/12/2006 | WO2006004740A2 Baker hughes incorporated |
| 01/12/2006 | WO2006003637A1 Degradable additive for viscoelastic surfactant based fluid system |
| 01/12/2006 | WO2006003190A1 Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method |
| 01/12/2006 | WO2006003113A1 Screen for controlling inflow of solid particles in a wellbore |
| 01/12/2006 | WO2006003112A1 Screen for controlling sand production in a wellbore |
| 01/12/2006 | WO2005108736A3 Modular drill system requiring limited field assembly |
| 01/12/2006 | WO2005091883A3 Extracting and processing hydrocarbon-bearing formations |
| 01/12/2006 | US20060009364 Base liquid; a silica viscosifier, a biopolymer thermal stabilizer of xanthan gum, and a polar additive of diethylene glycol |
| 01/12/2006 | US20060008913 Microfluidic separator |
| 01/12/2006 | US20060008739 Materials for use in programmed material consolidation processes |