| 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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| 05/17/2007 | US20070110927 Non-threaded expandable pipe connection system |
| 05/17/2007 | US20070108202 Processing hydrocarbons with Debye frequencies |
| 05/17/2007 | US20070107907 System and Method for Controlling Subsea Wells |
| 05/17/2007 | US20070107902 Fluid injection stimulated heavy oil or mineral production system |
| 05/17/2007 | US20070107901 In-situ method of fracturing gas shale and geothermal areas |
| 05/17/2007 | US20070107900 Delivery system for downhole use |
| 05/17/2007 | US20070107899 Perforating Gun Fabricated from Composite Metallic Material |
| 05/17/2007 | US20070107897 Introducing a flooding fluid containing water and erucyl amidopropyl betaine into the reservoir; extracting the oil through a wellbore at a location different than the point of introduction of the flooding fluid into the reservoir |
| 05/17/2007 | US20070107895 Solid Expandable Tubular Members Formed From Very Low Carbon Steel And Method |
| 05/17/2007 | US20070107589 Perforation gun system produced self-closing perforation holes |
| 05/17/2007 | US20070107195 Tubing expansion |
| 05/16/2007 | EP1689973A4 Hydrocarbon recovery from impermeable oil shales |
| 05/16/2007 | EP1259700B1 Tracer injection in a production well |
| 05/16/2007 | CN2900860Y Intelligent straight support type oil pumping machine |
| 05/16/2007 | CN2900780Y Electric heating steel continuous oil pumping rod oil production device |
| 05/16/2007 | CN2900779Y Backward pressure difference anti-scale water distributor |
| 05/16/2007 | CN2900778Y Non-return type bias water distributor |
| 05/16/2007 | CN2900777Y Nano viscosity reducing and anti-sand device |
| 05/16/2007 | CN2900776Y Oil pumping well collision regulator |
| 05/16/2007 | CN2900775Y Box wheel type oil pumping machine |
| 05/16/2007 | CN1965148A Perforating gun assembly and method for creating perforation cavities |
| 05/16/2007 | CN1965147A Duplex cone expander for expanding a tubular upward and downward from preexpanded section |
| 05/16/2007 | CN1965146A Aqueous-based tackifier fluids and methods of use |
| 05/16/2007 | CN1963146A Holder for high-temperature high-pressure glass microscopic model |
| 05/16/2007 | CN1963144A Pneumatic deep-penetrating composite block-removing method for oil layer |
| 05/16/2007 | CN1963143A Design method for improving waterflooding effect of anisotropic oil reservoir |
| 05/16/2007 | CN1963142A Intelligent hydraulic oil production well device |
| 05/16/2007 | CN1963141A Hydraulic oil production method and device |
| 05/16/2007 | CN1962847A Preparation of oil extraction microbial liquid by saccharification of starch |
| 05/16/2007 | CN1316141C Under well hydraulic lifter |
| 05/16/2007 | CN1315979C Biological enzyme oil-displacing agent for increasing crude oil production rate and its oil displacing method |
| 05/16/2007 | CA2559111A1 Oilfield elements having controlled solubility and methods of use |
| 05/15/2007 | US7218997 Controller system for downhole applications |
| 05/15/2007 | US7216718 Multi-layer deformable composite construction for use in a subterranean well |
| 05/15/2007 | US7216712 Treatment of oil wells |
| 05/15/2007 | US7216711 Methods of coating resin and blending resin-coated proppant |
| 05/15/2007 | US7216710 acidizing solution comprises an acid and a corrosion inhibiting compound comprising the reaction product of a thiol compound and an aldehyde compound; acidizing a near well bore region of a subterranean formation |
| 05/15/2007 | US7216709 Hydraulic fracturing using non-ionic surfactant gelling agent |
| 05/15/2007 | US7216706 Annular isolators for tubulars in wellbores |
| 05/15/2007 | US7216705 Methods of placing treatment chemicals |
| 05/15/2007 | US7216704 Methods and compositions for breaking viscosified fluids |
| 05/15/2007 | US7216702 Methods of evaluating undersaturated coalbed methane reservoirs |
| 05/15/2007 | US7216701 Apparatus for expanding a tubular member |
| 05/15/2007 | CA2566181A1 System and method for controlling subsea wells |
| 05/15/2007 | CA2438340C Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block |
| 05/15/2007 | CA2356793C Micro-switches for downhole use |
| 05/15/2007 | CA2225032C A rotating connector with integrated lng course |
| 05/10/2007 | WO2007053419A2 Logging system, method of logging an earth formation and method of producing a hydrocarbon fluid |
| 05/10/2007 | WO2007051970A1 Diverter plugs for use in well bores and associated methods of use |
| 05/10/2007 | WO2007051969A1 Diverter plugs for use in well bores and associated methods of use |
| 05/10/2007 | US20070105724 Method of using a sized barite as a weighting agent for drilling fluids |
| 05/10/2007 | US20070105723 Shale inhibition |
| 05/10/2007 | US20070102927 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) |
| 05/10/2007 | US20070102369 Pipe separator with improved separation |
| 05/10/2007 | US20070102156 Methods for treating a subterranean formation with a curable composition using a jetting tool |
| 05/10/2007 | US20070102155 Propped Fracture with High Effective Surface Area |
| 05/10/2007 | US20070102154 Mothods of utilizing waste wasters produced by water purification processing |
| 05/10/2007 | US20070102153 Screen and Method Having a Partial Screen Wrap |
| 05/10/2007 | US20070102152 Recovery of hydrocarbons using electrical stimulation |
| 05/10/2007 | CA2634142A1 Logging system, method of logging an earth formation and method of producing a hydrocarbon fluid |
| 05/09/2007 | EP1782870A1 A separator tank |
| 05/09/2007 | EP1782869A1 A gravity separator |
| 05/09/2007 | EP1782103A2 Method and system for determining hydrocarbon properties |
| 05/09/2007 | EP1781899A2 Alkylxylene sulfonates for enhanced oil recovery processes |
| 05/09/2007 | EP1781898A1 Water flooding method |
| 05/09/2007 | EP1068426B8 Apparatus and method for stimulating a subterranean formation |
| 05/09/2007 | CN2899283Y Control cabinet of oil sucker |
| 05/09/2007 | CN2898365Y Double-stage passageway synergistic oil pump |
| 05/09/2007 | CN2898362Y Permanent electromagnetic cooker hood |
| 05/09/2007 | CN2898293Y Simple metering unit with oil-extraction and water-filling functions |
| 05/09/2007 | CN2898292Y Settling eccentric sand gas-proofing apparatus |
| 05/09/2007 | CN2898291Y Acoustic-magnetic viscosity-falling unit |
| 05/09/2007 | CN2898290Y Laminated primary tubular column with unblocking and oil-extraction functions |
| 05/09/2007 | CN2898289Y Filtering-unit sandproof sieve tube of roll-riveting metal sintering net |
| 05/09/2007 | CN2898288Y Sieve tube without connected hoop |
| 05/09/2007 | CN2898287Y Unloader of spring pump for pumping well |
| 05/09/2007 | CN2898286Y Spiral-reel intelligent cooker hood |
| 05/09/2007 | CN2898283Y Buffering sliding-casing switch |
| 05/09/2007 | CN2898269Y Multifunctional sieve-tube hanger |
| 05/09/2007 | CN1959111A Hydraulic thrust mechanism of axial force in electrical single-screw submersible pump |
| 05/09/2007 | CN1959062A Zonation method of thin interbed in low infiltration of fracturing layer segment |
| 05/09/2007 | CN1314880C Method and apparatus for seismic stimulation of fluid-bearing formations |
| 05/09/2007 | CN1314879C Explosion implement and method for excavating horizontal underground caves |
| 05/08/2007 | US7213655 System for connecting downhole tools |
| 05/08/2007 | US7213654 Apparatus and methods to complete wellbore junctions |
| 05/08/2007 | US7213652 Sealed branch wellbore transition joint |
| 05/08/2007 | US7213651 Introducing a first fluid to create a segment extending through the subterranean formation; and introducing a second fluid with a different viscosity and density to create a finger or channel within the fluid segment; at least one of the fluids contains a proppant; minimized proppant flowback |
| 05/08/2007 | US7213649 Geothermal pipe weight |
| 05/08/2007 | US7213648 Pressure-actuated perforation with continuous removal of debris |
| 05/08/2007 | US7213647 Methods of sealing expandable pipe in well bores and sealing compositions |
| 05/08/2007 | US7213644 Cavity positioning tool and method |
| 05/08/2007 | US7213643 Expanded liner system and method |
| 05/08/2007 | US7213642 Multi-fluid sparging |
| 05/08/2007 | US7213607 Mandrel for a gas lift valve |
| 05/08/2007 | CA2535215C System, method and apparatus for desanding wellhead production |
| 05/08/2007 | CA2356081C Foamed nitrogen in liquid co2 for fracturing |
| 05/08/2007 | CA2232748C Injection tool |
| 05/03/2007 | WO2007051167A2 Method and apparatus for treating water to reduce boiler scale formation |
| 05/03/2007 | WO2007050770A1 Extended reach drilling apparatus and method |
| 05/03/2007 | WO2007050530A1 Fracking multiple casing exit laterals |