| 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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| 12/21/2006 | US20060283591 Degradable fiber systems for stimulation |
| 12/21/2006 | US20060283590 Enhanced floating power generation system |
| 12/21/2006 | US20060283589 Method of characterizing a fractured reservoir using seismic reflection amplitudes |
| 12/21/2006 | DE102004048692B4 Verfahren und Vorrichtung zur thermischen Stimulation von Gashydratformationen Method and apparatus for thermal stimulation of Gashydratformationen |
| 12/20/2006 | EP1733119A1 Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 12/20/2006 | EP1733059A2 Method for producing cast iron using blast-furnace gases for enhanced oil recovery |
| 12/20/2006 | EP1490579B1 Apparatus and method to expand casing |
| 12/20/2006 | CN2850115Y Direct driven screw pump motor |
| 12/20/2006 | CN2849231Y Oil lubricating anti offset wear roofbolt |
| 12/20/2006 | CN2849229Y Eccentrically arranged valve type oil pumping pump |
| 12/20/2006 | CN2849227Y Large flow passage oil pumping pump |
| 12/20/2006 | CN2849226Y Standard module combined three capsule chamber oil submersible electric pump protector |
| 12/20/2006 | CN2849225Y Module type bottom sealing seat for oil submersible electric pump protector |
| 12/20/2006 | CN2849224Y Module type settling guide shaft pipe support for oil submersible electric pump protector |
| 12/20/2006 | CN2849222Y Direct driving intelligent screw pump driving device |
| 12/20/2006 | CN2849221Y Compound permanent magnet electric oil pumping machine |
| 12/20/2006 | CN2849163Y Partial pressure tubular column |
| 12/20/2006 | CN2849162Y Heat expansion device of gas filling well |
| 12/20/2006 | CN2849161Y Full automatic high pressure integrated water filling device |
| 12/20/2006 | CN2849160Y Nitriding high strength corrusion proof blocking device |
| 12/20/2006 | CN2849159Y Constant flow downhole production allocator |
| 12/20/2006 | CN2849158Y Water blocking downhole production allocator |
| 12/20/2006 | CN2849157Y High strength nitriding anticorrusion sand prevention device |
| 12/20/2006 | CN2849156Y Anchorless packing high pressure once filling tool |
| 12/20/2006 | CN2849155Y Intelligent oil pumping machine suspensor |
| 12/20/2006 | CN2849154Y Well head collision pump device of oil pumping machine |
| 12/20/2006 | CN2849153Y Toothed belt electric machine reversal oil pumping machine |
| 12/20/2006 | CN2849152Y Pendulum bideflection displacement balancing combination |
| 12/20/2006 | CN2849148Y Freezing proof valve |
| 12/20/2006 | CN2849147Y Single flow valve of magnetic attraction type oil field water pouring well |
| 12/20/2006 | CN2849139Y Solar energy automatic gas extraction well head device |
| 12/20/2006 | CN1882760A Wellbore gravel packing apparatus and method |
| 12/20/2006 | CN1882759A Method for providing a temporary barrier in a flow pathway |
| 12/20/2006 | CN1880765A Standing valve cover and magnetic oil-drainage type oil well pump equipped therewith |
| 12/20/2006 | CN1290964C Chemical oil displacement agent |
| 12/19/2006 | US7150328 Method for interconnecting adjacent expandable pipes |
| 12/19/2006 | US7150325 ROV retrievable sea floor pump |
| 12/19/2006 | US7150320 Water treatment method for heavy oil production |
| 12/19/2006 | US7150319 Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method |
| 12/19/2006 | US7150318 Apparatus for actuating a well tool and method for use of same |
| 12/19/2006 | US7150316 Method of eliminating conductive drill parasitic influence on the measurements of transient electromagnetic components in MWD tools |
| 12/19/2006 | US7150315 Downhole fluid disposal apparatus and methods |
| 12/19/2006 | CA2391052C Multi-layer screen and downhole completion method |
| 12/19/2006 | CA2385543C Valve for use in wells |
| 12/16/2006 | CA2709859A1 Shunt tube connector lock |
| 12/14/2006 | WO2006133425A1 Embedded flex-lock slip liner hanger |
| 12/14/2006 | WO2006133008A2 Invert emulsion carrier fluid and oil-wetting agent and method of using same |
| 12/14/2006 | WO2006132541A1 Subsea compression system |
| 12/14/2006 | WO2006131691A1 Methods of controlling the degradation rate of hydrolytically degradable materials |
| 12/14/2006 | WO2006088743B1 Radial expansion of a wellbore casing against a formation |
| 12/14/2006 | US20060281635 Method and liquid for increasing the recovery factor in oil reservoirs |
| 12/14/2006 | US20060279078 Joining Tubular Members |
| 12/14/2006 | US20060278403 Bore-lining tubing |
| 12/14/2006 | US20060278398 Assembly and method of alternative pumping using hollow rods without tubing |
| 12/14/2006 | US20060278396 Method for intercepting and connecting underground formations and method for producing and/or injecting hydrocarbons through connecting underground formations |
| 12/14/2006 | US20060278394 System and method for perforating and fracturing in a well |
| 12/14/2006 | US20060278393 Method and apparatus for completing lateral channels from an existing oil or gas well |
| 12/14/2006 | US20060278392 Perforating Method |
| 12/14/2006 | US20060278390 Crosslinkable polymer compositions and associated methods |
| 12/14/2006 | US20060278389 Fluid loss additive for enhanced fracture clean-up |
| 12/14/2006 | US20060278386 Method and apparatus for controlling the speed of a pump in a well |
| 12/14/2006 | CA2610758A1 Surfactant mixtures for tertiary oil recovery |
| 12/13/2006 | WO2006135892A2 Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications |
| 12/13/2006 | EP1731709A2 Method and system for performing operations and for improving production in wells |
| 12/13/2006 | EP1730551A2 System and method for combined microseismic and tiltmeter analysis |
| 12/13/2006 | EP1730385A1 System and method for multiple wells from a common surface location |
| 12/13/2006 | EP1730384A2 Clay stabilization in sub-surface formations |
| 12/13/2006 | EP1729868A1 A process for the treatment of fluids originating from submarine oil fields |
| 12/13/2006 | CN2846805Y Oil pump capable of preventing particle from depositing |
| 12/13/2006 | CN2846799Y High efficiency energy saving thick oil pump with rod |
| 12/13/2006 | CN2846798Y Series labyrinth seal oil pump for butterfly valve forced opening and closing plunger |
| 12/13/2006 | CN2846751Y Liquid and gas meter for oil well |
| 12/13/2006 | CN2846748Y Separate metering device |
| 12/13/2006 | CN2846747Y Power leading-in device for screw pump idle rod cable heating process |
| 12/13/2006 | CN2846746Y Steam thermal recovery associated injector |
| 12/13/2006 | CN2846745Y Double cylindrical pump outlet connector |
| 12/13/2006 | CN2846744Y Full range electromagnetic heater |
| 12/13/2006 | CN2846743Y Dropping chemical adding device for oil-gas well |
| 12/13/2006 | CN2846742Y Positioning cementing well water injection ement switch |
| 12/13/2006 | CN2846741Y Sand proof tubular pole for water injection well |
| 12/13/2006 | CN2846740Y Composite energy-containing spring frame for oil field perforating device |
| 12/13/2006 | CN2846739Y Position locating perforator |
| 12/13/2006 | CN2846738Y Sand-proof tube for oil field |
| 12/13/2006 | CN2846737Y High density filling vibration device |
| 12/13/2006 | CN2846736Y Continuous moving device for oil pumping machine balance block |
| 12/13/2006 | CN2846735Y Belt positive and negative turn oil pumping machine |
| 12/13/2006 | CN2846734Y Oil fetching device |
| 12/13/2006 | CN2846716Y Leading orientation automatic butt jointing device |
| 12/13/2006 | CN2846700Y Sleeve pressurizing device |
| 12/13/2006 | CN1878929A Method to improve perforating effectiveness using a charge perforator |
| 12/13/2006 | CN1878928A Method of reducing sand production from a wellbore |
| 12/13/2006 | CN1878927A Method of completing poorly consolidated formations |
| 12/13/2006 | CN1877079A Mixing and preparing control method for mixed solution for fracturing, acidizing and sand control of oil field |
| 12/13/2006 | CN1877078A Well selecting and layer selecting method for separate layer polymer injection |
| 12/13/2006 | CN1877077A Hydraulic piston type oil pumping system |
| 12/13/2006 | CN1289847C Tubular threaded joint capable of being subjected to diametral expansion |
| 12/13/2006 | CN1289824C Method for processing rubber isopachous stator of screw pump |
| 12/13/2006 | CN1289787C Apparatus for controlling polymer molecular weight and flow of multiple-layer separate filling into with polymer displacement |
| 12/13/2006 | CN1289786C Donkey-head one-way rotary wellhead type pumping unit |
| 12/13/2006 | CN1289784C Method and apparatus for increasing liquid hydrocarbon yield |