| 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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| 03/29/2007 | WO2007033477A1 Fluid with asphaltene control |
| 03/29/2007 | WO2007033462A1 Toe-to-heel waterflooding with progressive blockage of the toe region |
| 03/29/2007 | WO2006130649A3 Method and system for drilling well bores |
| 03/29/2007 | US20070071612 Electric submersible pumps |
| 03/29/2007 | US20070068676 Wellbore fluid saver assembly |
| 03/29/2007 | US20070068675 Method for drilling and completing wells |
| 03/29/2007 | US20070068674 Toe-To-Heel Waterflooding With Progressive Blockage Of The Toe Region |
| 03/29/2007 | US20070068672 System and method for determining a flow profile in a deviated injection well |
| 03/29/2007 | US20070068671 Expandable wellbore assembly |
| 03/29/2007 | DE102005045807A1 Geo-thermal energy generating method for heating building, involves absorbing deep-water by jacket pipe within lower range of heat probe, guiding water downward up to end of external pipe and squashing water from jacket pipe |
| 03/29/2007 | CA2623376A1 Well jet device and the operating method thereof |
| 03/29/2007 | CA2623100A1 Well treatment device, method, and system |
| 03/29/2007 | CA2621053A1 Sub-surface deployment valve |
| 03/28/2007 | EP1767742A2 System and method for fail-safe disconnect from a subsea well |
| 03/28/2007 | EP1766185A2 System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants |
| 03/28/2007 | EP1765529A1 Process for stimulating production of hydrogen from petroleum in subterranean formations |
| 03/28/2007 | CN2883802Y Pulley wear reduction and skid proofying gear of single-crank double-stroke flexible pumping unit |
| 03/28/2007 | CN2883730Y Linear dynamo oil-well pump |
| 03/28/2007 | CN2883729Y Linear dynamo pumping unit with built-in stator |
| 03/28/2007 | CN2883728Y Dual-action link type pump tube free oil-well pump |
| 03/28/2007 | CN2883667Y Flowmeter positioner |
| 03/28/2007 | CN2883665Y Sand control screen |
| 03/28/2007 | CN2883659Y Testing fisher |
| 03/28/2007 | CN2883528Y Sewage lifter without pump room |
| 03/28/2007 | CN1936268A Vertical oil-pumping machine |
| 03/28/2007 | CA2559434A1 Heavy oil extraction system |
| 03/27/2007 | US7196041 Anionic and cationic surfactants having branched aliphatic chains used as reversible well bore fluid thickeners to recover hydrocarbon oil and gas; soluble in both organic and aqueous fluids; high speed breakdown of viscoelastic sols |
| 03/27/2007 | US7195073 Expandable tieback |
| 03/27/2007 | US7195072 Installation of downhole electrical power cable and safety valve assembly |
| 03/27/2007 | US7195071 Enzyme compositions and methods of using these compositions to degrade succinoglycan |
| 03/27/2007 | US7195070 Method and apparatus for downhole artificial lift system protection |
| 03/27/2007 | US7195068 Degrading a filter cake using a composition of an acid-soluble portion and a polymeric portion; introducing a delayed-release acid component of orthoesters or poly(orthoesters), and a delayed-release oxidizer component into a well bore; useful in unconsolidated or poorly consolidated formations |
| 03/27/2007 | US7195067 Method and apparatus for well perforating |
| 03/27/2007 | US7195066 Engineered solution for controlled buoyancy perforating |
| 03/27/2007 | US7195065 Stabilizing crosslinked polymer guars and modified guar derivatives |
| 03/27/2007 | US7195064 Mono-diameter wellbore casing |
| 03/27/2007 | US7195061 Apparatus for expanding a tubular member |
| 03/27/2007 | CA2424137C Method and device to stabilise the production of oil wells |
| 03/22/2007 | WO2007033371A2 Apparatus, system, and method for in-situ extraction of oil from oil shale |
| 03/22/2007 | WO2007031001A1 Compound perforator without body |
| 03/22/2007 | WO2006137002B1 Degradable fiber systems for stimulation |
| 03/22/2007 | WO2006128619A3 Method for depleting hydrogen sulfide in natural gas from the exploitation of crude oil/natural gas mixtures |
| 03/22/2007 | US20070067107 Method and system for setting and analyzing tubing target pressures for tongs |
| 03/22/2007 | US20070066493 Orthoester-based surfactants and associated methods |
| 03/22/2007 | US20070066491 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications |
| 03/22/2007 | US20070062703 Introducing an aqueous treatment fluid into a well bore containing a crosslinking agent; a crosslinkable polymer such as gum arabic, gum ghaffi, gum karaya, tamarind gum, tragacauth gum, guar gum, locust bean gum, or cellulose; and a glucose polymer that may also have pyranose-type monosaccharide units |
| 03/22/2007 | US20070062702 Polymer mixtures for crosslinked fluids |
| 03/22/2007 | US20070062701 In-situ landfill gas well perforation method and apparatus |
| 03/22/2007 | US20070062698 Fluid with asphaltene control |
| 03/22/2007 | US20070062697 Process for the selective controlled reduction of the relative water permeability in high permeability oil-bearing subterranean formations |
| 03/22/2007 | US20070062694 Apparatus and methods for creation of down hole annular barrier |
| 03/22/2007 | US20070062687 Flow tube exercising tool |
| 03/22/2007 | US20070062686 Flow nozzle assembly |
| 03/22/2007 | DE102005044352A1 Verfahren zum Erzeugen eines HDR-Wärmetauschers A method for generating a HDR heat exchanger |
| 03/22/2007 | CA2523110A1 Vapor process system |
| 03/21/2007 | EP1660755A4 Portable, surface-mounted well pump |
| 03/21/2007 | CN2881227Y Anti-ice device for pulloy of single crank multiple range flexible beam-pumping unit |
| 03/21/2007 | CN2881226Y Single crank multiple range flexible beam-pumping unit cantilever shaft fixed pulley |
| 03/21/2007 | CN2881214Y Speed reducing device of single crank multiple range flexible beam-pumping unit |
| 03/21/2007 | CN2881193Y Crank pin shaft driving wheel of single crank multiple range flexible oil pumping machine |
| 03/21/2007 | CN2881177Y Petroleum lifting pump |
| 03/21/2007 | CN2881174Y Floating box type bittern collecting pump station |
| 03/21/2007 | CN2881158Y Vertical beam-pumping unit |
| 03/21/2007 | CN2881157Y Improved beam type beam-pumping unit |
| 03/21/2007 | CN2881156Y Moving device of vertical beam-pumping unit |
| 03/21/2007 | CN2881155Y Hexa-link beam-balanced pump |
| 03/21/2007 | CN2881154Y Biaction pump sealing device |
| 03/21/2007 | CN2881091Y Under well gas liquid cyclone |
| 03/21/2007 | CN2881090Y Movable oil gas separating tank for oil field testing |
| 03/21/2007 | CN2881089Y Composite separator of natural gas |
| 03/21/2007 | CN2881088Y Dynamic-static integrated mixer |
| 03/21/2007 | CN2881087Y Non-return type ground water distribution device |
| 03/21/2007 | CN2881086Y Sand-proof sieve tube having composite grading controlling sand filtering structure |
| 03/21/2007 | CN2881085Y Roller striking balance type beam-pumping unit |
| 03/21/2007 | CN2881084Y High efficiency well liquid reducing device |
| 03/21/2007 | CN2881076Y Underwell packet apparatus |
| 03/21/2007 | CN2881069Y Prestressed well fixing ground anchor |
| 03/21/2007 | CN2881063Y Thick oil horizontal well hot extraction casing head |
| 03/21/2007 | CN1934460A System and method for combined microseismic and tiltmeter analysis |
| 03/21/2007 | CN1934333A Method of injecting lift gas into a production tubing of an oil well and gas lift flow control device for use in the mehtod |
| 03/21/2007 | CN1934332A Method and system for starting up a pipeline |
| 03/21/2007 | CN1934331A Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 03/21/2007 | CN1932237A Flue gas injection for heavy oil recovery |
| 03/21/2007 | CN1932236A Method and apparatus for directly dispersing polymer dry powder by hydraulic jet |
| 03/21/2007 | CN1932235A Oil collecting casing connecting device |
| 03/21/2007 | CN1306226C Well head system for geothermal tertiary system sandstone recharge |
| 03/21/2007 | CN1306145C Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins |
| 03/21/2007 | CN1306144C Split diameter-changing oil testing swab |
| 03/21/2007 | CA2520346A1 Method and system for enhancing hydrocarbon production from a hydrocarbon well |
| 03/20/2007 | US7193414 Downhole NMR processing |
| 03/20/2007 | US7192908 Injecting blend of fluorboric acid and chelate compound; adjust permeability; dissolving clays |
| 03/20/2007 | US7192907 High performance water-based drilling mud and method of use |
| 03/20/2007 | US7192092 Method and means for recovering hydrocarbons from oil sands by underground mining |
| 03/20/2007 | US7191843 Valve apparatus with seal assembly |
| 03/20/2007 | US7191842 Collapse resistant expandables for use in wellbore environments |
| 03/20/2007 | US7191841 Expansion pig |
| 03/20/2007 | US7191838 Method and apparatus for pumping wells with a sealing fluid displacement device |
| 03/20/2007 | US7191833 Sand control screen assembly having fluid loss control capability and method for use of same |
| 03/20/2007 | US7191832 Gravel pack completion with fiber optic monitoring |
| 03/20/2007 | US7191830 Annular pressure relief collar |