| 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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| 06/07/2006 | CN1782325A Method for low frequency large current heating raw oil in oil wel pipe string |
| 06/07/2006 | CN1782324A Device of releasing casing pressure oil well to flow naturally |
| 06/07/2006 | CN1258635C Wellbore system including a conduit an expandable device |
| 06/06/2006 | US7055608 Forming a wellbore casing while simultaneously drilling a wellbore |
| 06/06/2006 | US7055606 System and method for treating wells |
| 06/06/2006 | US7055604 Use of distributed temperature sensors during wellbore treatments |
| 06/06/2006 | US7055602 Method and composition for enhanced hydrocarbons recovery |
| 06/06/2006 | US7055600 In situ thermal recovery from a relatively permeable formation with controlled production rate |
| 06/06/2006 | US7055599 Electromagnetic coal seam gas recovery system |
| 06/06/2006 | US7055598 Fluid flow control device and method for use of same |
| 06/06/2006 | US7055597 Method and apparatus for downhole tubular expansion |
| 06/06/2006 | US7055595 Electrical submersible pump actuated packer |
| 06/06/2006 | US7055593 Well stuffing box packing |
| 06/06/2006 | US7055592 Toroidal choke inductor for wireless communication and control |
| 06/06/2006 | US7055421 Well perforating gun |
| 06/06/2006 | CA2431604C A method of circulating through a reciprocating downhole tubing pump and a reciprocating downhole tubing pump |
| 06/06/2006 | CA2424210C Conductive proppant and method of hydraulic fracturing using the same |
| 06/06/2006 | CA2423547C Flow control apparatus for use in a wellbore |
| 06/06/2006 | CA2306656C Expandable connector for borehole tubes |
| 06/06/2006 | CA2238173C Method of treating an underground formation |
| 06/06/2006 | CA2229090C A subterranean apparatus for deflecting a cutting tool |
| 06/06/2006 | CA2171797C Composition effective in removing asphaltenes |
| 06/01/2006 | WO2006041825A3 One trip liner conveyed gravel packing and cementing system |
| 06/01/2006 | WO2006004740A3 Baker hughes incorporated |
| 06/01/2006 | US20060116296 Providing a water-based drilling fluid comprising:an effective amount of a choline salt, foamer, andwater;circulating the drilling fluid through the wellbore hole during drilling, andinjecting a gas into wellbore hole to reduce a hydrostatic pressure of the drilling fluid |
| 06/01/2006 | US20060116294 Drilling fluid systems comprising latex particle(s) |
| 06/01/2006 | US20060113088 Expandable composite tubulars |
| 06/01/2006 | US20060113086 Protective sleeve for expandable tubulars |
| 06/01/2006 | US20060113085 Dual well completion system |
| 06/01/2006 | US20060113083 Downhole release tool and method |
| 06/01/2006 | US20060113082 Ported velocity tube for gas lift operations |
| 06/01/2006 | US20060113080 Methods of fracturing using fly ash aggregates |
| 06/01/2006 | US20060113079 Production of natural gas from hydrates |
| 06/01/2006 | US20060113078 Methods of hydraulic fracturing and of propping fractures in subterranean formations |
| 06/01/2006 | US20060113077 Degradable material assisted diversion or isolation |
| 06/01/2006 | US20060113076 Substances to stimulate the extraction of crudeoil and a method of processing them |
| 06/01/2006 | US20060113072 Wellbore pump |
| 06/01/2006 | US20060112862 Permeable cement and sand control methods utilizing permeable cement in subterranean well bores |
| 06/01/2006 | DE4292758B4 Verfahren zur Bildung von Mehrfachrissen von einem Bohrloch aus A process for the formation of multiple cracks by a borehole from |
| 05/31/2006 | EP1660755A2 Portable, surface-mounted well pump |
| 05/31/2006 | EP1660221A2 Apparatus and method for creating a vortex flow |
| 05/31/2006 | EP1608845A4 A wellbore apparatus and method for completion, production and injection |
| 05/31/2006 | EP1549822A4 Remote intervention logic valving method and apparatus |
| 05/31/2006 | EP1368554B1 Expander for expanding a tubular element |
| 05/31/2006 | EP1266122B1 Downhole separation and injection of produced water |
| 05/31/2006 | CN2784619Y Pumping unit with crank and drum |
| 05/31/2006 | CN2784618Y Optimized operating device for beam-pumping unit |
| 05/31/2006 | CN2784583Y Slag prevention device for oil release |
| 05/31/2006 | CN2784579Y Pressure release device for water well |
| 05/31/2006 | CN1780971A Method of creating a borehole in an earth formation |
| 05/31/2006 | CN1780962A Method of installation of a tension leg platform |
| 05/31/2006 | CN1780891A Water block removal with surfactant based hydrocarbonaceous liquid system |
| 05/30/2006 | US7054752 Method for optimizing production of an oil reservoir in the presence of uncertainties |
| 05/30/2006 | US7054626 Method and architecture for an interactive two-way data communication network |
| 05/30/2006 | US7052543 Pumpable slurry containing surfactant; mixture of hydraulic cements, diluent and surfactant |
| 05/30/2006 | US7051818 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 05/30/2006 | US7051817 Device for improving oil and gas recovery in wells |
| 05/30/2006 | US7051816 Well jet device for well testing and development and operating method for the well jet device |
| 05/30/2006 | US7051815 Well pump capsule |
| 05/30/2006 | US7051813 Pass through valve and stab tool |
| 05/30/2006 | US7051812 Fracturing tool having tubing isolation system and method |
| 05/30/2006 | US7051811 In situ thermal processing through an open wellbore in an oil shale formation |
| 05/30/2006 | US7051809 Burn assisted fracturing of underground coal bed |
| 05/30/2006 | US7051807 In situ thermal recovery from a relatively permeable formation with quality control |
| 05/30/2006 | CA2437479C System for and method of generating steam for use in oil recovery processes |
| 05/30/2006 | CA2383179C Expandable tubing |
| 05/30/2006 | CA2320949C Injection molded degradable casing perforation ball sealers |
| 05/30/2006 | CA2264251C Control method for hydrocarbon production facilities |
| 05/30/2006 | CA2158247C Polyphase pumping device with feedback loop |
| 05/26/2006 | WO2006055549A2 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance |
| 05/26/2006 | WO2006055370A2 Well production optimizing system |
| 05/26/2006 | WO2006055099A2 Thermal component temperature management system and method |
| 05/26/2006 | WO2006054905A1 Annular pressure control system |
| 05/26/2006 | WO2006054901A1 A method and a device for solvent injection in a subsurface well |
| 05/26/2006 | WO2006054081A1 Improvements in and relating to oil well perforators |
| 05/26/2006 | WO2006054074A1 Perforation logging tool and method |
| 05/26/2006 | WO2006054052A1 Improvements in and relating to oil well perforators |
| 05/26/2006 | WO2006053434A1 Methods and apparatus for drilling, completing and configuring u-tube boreholes |
| 05/26/2006 | WO2005089404A3 System and method for combined microseismic and tiltmeter analysis |
| 05/26/2006 | WO2005059308A3 Seamless woven wire sintered well screen |
| 05/26/2006 | CA2770437A1 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance |
| 05/26/2006 | CA2760495A1 Methods and apparatus for drilling, completing and configuring u-tube boreholes |
| 05/25/2006 | US20060111247 Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
| 05/25/2006 | US20060111246 Aqueous storable cement spacer system |
| 05/25/2006 | US20060108148 Debris reduction perforating apparatus |
| 05/25/2006 | US20060108126 Gas-pressurized lubricator |
| 05/25/2006 | US20060108123 System for radially expanding tubular members |
| 05/25/2006 | US20060108115 System and method for fracturing and gravel packing a wellbore |
| 05/25/2006 | US20060108114 Drilling method for maintaining productivity while eliminating perforating and gravel packing |
| 05/25/2006 | US20060107514 Expandable slotted tubing string and method for connecting such a tubing string |
| 05/24/2006 | EP1659261A2 Diagrams for collection of gas from ventures from the sea's bottom |
| 05/24/2006 | EP1659259A1 Apparatus and methods for separating and joining tubulars in a wellbore |
| 05/24/2006 | EP1659103A2 Charging material for producing refractory high-strength spherical granules and method for the production thereof |
| 05/24/2006 | EP1658416A1 Expandable tubulars for use in geologic structures, methods for expanding tubulars, and methods of manufacturing expandable tubulars |
| 05/24/2006 | EP1409840B1 Discharging sand from a vessel at elevated pressure |
| 05/24/2006 | EP1328358B1 Method of reducing slot width in slotted tubular liners |
| 05/24/2006 | EP1274992B1 Apparatus and method for downhole well equipment and process management, identification, and actuation |
| 05/24/2006 | EP1259702B1 Power generation using batteries with reconfigurable discharge |
| 05/24/2006 | EP1259701B1 Controlled downhole chemical injection |
| 05/24/2006 | EP0971776B1 Process and device for treating of solutions comprising water, organic fluid and salt |