| 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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| 07/27/2005 | CN1646786A Mono-diameter wellbore casing |
| 07/27/2005 | CN1644873A Manufacturing method and apparatus for supporting agent |
| 07/26/2005 | US6920935 Expandable downhole tubing |
| 07/26/2005 | US6920934 Method and apparatus for expandable liner hanger with bypass |
| 07/26/2005 | US6920932 Joint for use with expandable tubulars |
| 07/26/2005 | US6920928 Selectively reducing the flow of subterranean aqueous fluids into a well while maintaining its hydrocarbon production; includes physical stabilization and chemical stabilization of the structure |
| 07/26/2005 | CA2371003C Deliberate fluid removal by capillary imbibition |
| 07/26/2005 | CA2305259C Downhole pump strainer data recording device and method |
| 07/26/2005 | CA2262932C Subsea well |
| 07/26/2005 | CA2261803C Subsea module |
| 07/21/2005 | WO2005066458A2 Method for enancing the retention efficiency of treatment chemicals in subterranean formations |
| 07/21/2005 | WO2005066457A1 Methods of well stimulation and completion |
| 07/21/2005 | WO2005066456A1 Method of reducing water influx into gas wells |
| 07/21/2005 | WO2005066455A1 Minimal resistance scallop for a well perforating device |
| 07/21/2005 | WO2005066454A1 Expandable screen utilizing near neutrally-buoyant particles outside of the screen |
| 07/21/2005 | WO2005066453A1 Rotating blast liner |
| 07/21/2005 | WO2005066451A1 Orthoester compositions and methods of use in subterranean applications |
| 07/21/2005 | WO2005066450A1 Multiple expansion sand screen system and method |
| 07/21/2005 | WO2005066299A1 A method of gravel packing with oil-based carrier fluid |
| 07/21/2005 | WO2005065334A2 Multiple azimuth control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments |
| 07/21/2005 | WO2005047637A3 System for extracting natural gas hydrate |
| 07/21/2005 | WO2005038145A3 Method and device for recovering petroleum from a tank disposed on a sea bed, particularly a wreck |
| 07/21/2005 | US20050155796 Permeability-modifying drilling fluids and methods of use |
| 07/21/2005 | US20050155773 System and Method to Deploy and Expand Tubular Components Deployed Through Tubing |
| 07/21/2005 | US20050155772 Expandable well screen having temporary sealing substance |
| 07/21/2005 | US20050155771 Apparatus and methods for expanding tubulars in a wellbore |
| 07/21/2005 | US20050155770 System for Connecting Downhole Tools |
| 07/21/2005 | US20050155769 Method and apparatus for lifting liquids from gas wells |
| 07/21/2005 | US20050155768 Methods and apparatus for enhancing production from a hydrocarbons-producing well |
| 07/21/2005 | US20050155767 System and method for offshore production with well control |
| 07/21/2005 | US20050155766 Flexible wellbore broach |
| 07/21/2005 | US20050155764 System and method for treating wells |
| 07/21/2005 | US20050155761 Wellbore fluids containing additives for removing a filter cake and methods of using the same |
| 07/21/2005 | US20050155756 Gas Lift apparatus for a well |
| 07/21/2005 | DE10350226A1 Verfahren zur Förderung von Multiphasengemischen sowie Pumpenanlage Method for conveying multiphase mixtures and pumping equipment |
| 07/21/2005 | CA2683210A1 Orthoester compositions and methods of use in subterranean applications |
| 07/20/2005 | EP1555387A1 A retrievable module suitable for a seabed processing system |
| 07/20/2005 | EP1555386A1 Wellbore lining apparatus and method of lining a wellbore |
| 07/20/2005 | EP1555385A1 Method of consolidating an underground formation |
| 07/20/2005 | EP1252416B1 Choke inductor for wireless communication and control in a well |
| 07/20/2005 | CN2711431Y Downhole jet pump |
| 07/20/2005 | CN2711410Y Dowble fixation valve pump for deep well |
| 07/20/2005 | CN2711409Y Deep suction gas proof pipe type pump |
| 07/20/2005 | CN2711407Y Sand-resisting type strong oil extracting pump with soft piston |
| 07/20/2005 | CN2711387Y Fine filtration device for water injection well |
| 07/20/2005 | CN2711386Y Oil sucker in deep well |
| 07/20/2005 | CN1640982A Surface active recombiner and its preparing method |
| 07/20/2005 | CN1640981A Cladded quartz sand fracturing support agent for oil production |
| 07/20/2005 | CN1211563C Method for establishing multi-branches nodes and method for drilling branch hole from mother holes |
| 07/19/2005 | US6918444 Method for production of hydrocarbons from organic-rich rock |
| 07/19/2005 | US6918443 In situ conversion of hydrocarbons to produce hydrocarbons, hydrogen, and/or novel product streams from underground oil shale formations |
| 07/19/2005 | US6918442 In situ conversion of hydrocarbons to produce hydrocarbons, hydrogen, and/or novel product streams from underground oil shale formations |
| 07/19/2005 | US6918334 Perforating gun firing head with vented block for holding detonator |
| 07/19/2005 | CA2492741A1 Pressure control apparatus and method |
| 07/19/2005 | CA2355549C Apparatus and method for propelling a data sensing apparatus into a subsurface formation |
| 07/16/2005 | CA2492981A1 Monobore wellbore and method for completing same |
| 07/14/2005 | WO2005064300A1 Instrumented tubular device for the transport of a pressurised fluid using bragg grating rosettes |
| 07/14/2005 | WO2005064219A1 Method of producing a hermetic tubular joint comprising local and initial added thickness(es), by means of plastic expansion |
| 07/14/2005 | WO2005064218A1 Method of assembling two hermetic threaded tubular joints comprising a local and initial thinned thickness, by means of plastic expansion |
| 07/14/2005 | WO2005064217A1 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) |
| 07/14/2005 | WO2005064113A1 A workstring and a method for gravel packing |
| 07/14/2005 | US20050152749 Telescopic guide pipe for offshore drilling |
| 07/14/2005 | US20050150687 Perforating system and method |
| 07/14/2005 | US20050150660 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/14/2005 | US20050150659 Running a Completion Assembly Without Killing a Well |
| 07/14/2005 | US20050150658 Method and apparatus for enhancing oil and gas flow in a well |
| 07/14/2005 | US20050150657 Method and apparatus for injecting steam into a geological formation |
| 07/14/2005 | US20050150654 Slotted expandable centraliser |
| 07/14/2005 | US20050150652 Method for improving well quality |
| 07/14/2005 | US20050150224 Hydraulic oil well pumping installation |
| 07/14/2005 | US20050150098 Method and apparatus for forming a mono-diameter wellbore casing |
| 07/14/2005 | DE10361983A1 Verfahren und Vorrichtung zur Intensivierung der Durchlässigkeit von bohrungsnahen Bodenschichten sowie von Filterkörpern und Filterschichten in Brunnen und anderen Förderbohrungen Method and apparatus for intensifying the permeability of hole near the bottom layers and of filter bodies and filter layers in wells and other production wells |
| 07/14/2005 | DE10358095A1 Verfahren und Vorrichtung zum Trennen von Stoffgemischen Method and device for separating mixtures of substances |
| 07/13/2005 | EP1552352A1 System for acquiring data from a facility and method |
| 07/13/2005 | EP1552274A2 Borehole conductivity profiler |
| 07/13/2005 | EP1552105A2 Annular isolators for expandable tubulars in wellbores |
| 07/13/2005 | EP1552104A1 System to reduce hydrostatic pressure in risers using buoyant spheres |
| 07/13/2005 | EP1551698A1 Riser installation vessel and method of using the same |
| 07/13/2005 | CN2709675Y Bottom valve assembly of throwing oil-well pump |
| 07/13/2005 | CN2709649Y Adsorption guiding multifunction fisher |
| 07/13/2005 | CN2709648Y Controller for beam-pumping unit |
| 07/13/2005 | CN2709647Y Rotation stainless steel plate net type high permeate sand filtering pipe |
| 07/13/2005 | CN2709646Y External separate depressure type precision sand-proof pipe |
| 07/13/2005 | CN1639443A Method for in situ recovery from a tar sands formation and a blending agent produced by such a method |
| 07/13/2005 | CN1639442A Method and system for producing an oil and gas mixture through a well |
| 07/13/2005 | CN1210490C Method for increasing relative permeability of polymer injection well |
| 07/13/2005 | CN1210489C Method for reducing starting pressure of low permeability oil field |
| 07/12/2005 | US6915855 Wellbore junction drifting apparatus and associated method |
| 07/12/2005 | US6915853 Method and device for perforating a portion of casing in a reservoir |
| 07/12/2005 | US6915852 Hanging liners by pipe expansion |
| 07/12/2005 | US6915851 Apparatus and method for lining a downhole casing |
| 07/12/2005 | US6915850 In situ thermal processing of an oil shale formation having permeable and impermeable sections |
| 07/12/2005 | US6915849 Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod |
| 07/12/2005 | US6915845 Re-enterable gravel pack system with inflate packer |
| 07/12/2005 | CA2304664C An apparatus for facilitating the connection of tubulars using a top drive |
| 07/09/2005 | CA2451641A1 Method of placing blocking gel in gas producing formations in order to reduce water influx into the well bore |
| 07/07/2005 | WO2005061852A1 Non-threaded expandable pipe connection system |
| 07/07/2005 | WO2005061851A1 System and method of constructing wire wrap well screens |
| 07/07/2005 | WO2005061850A1 Wellbore gravel packing apparatus and method |
| 07/07/2005 | WO2005061849A1 Methods and apparatus for subterranean fluid separation and removal |