E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells

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)
10/2011
10/20/2011	US20110253370 Process for enhanced production of heavy oil using microwaves
10/20/2011	US20110253369 Process for enhanced production of heavy oil using microwaves
10/20/2011	US20110253368 Process for enhanced production of heavy oil using microwaves
10/20/2011	US20110253367 Process for enhanced production of heavy oil using microwaves
10/20/2011	US20110253366 Curable fiber
10/20/2011	US20110253365 Methods for Removing Residual Polymer From a Hydraulic Fracture
10/20/2011	US20110253363 Process for enhanced production of heavy oil using microwaves
10/20/2011	US20110253362 Process for enhanced production of heavy oil using microwaves
10/20/2011	CA2795209A1 Electrically conductive oil-based drilling fluids
10/20/2011	CA2793499A1 Guerbet alcohol alkoxylate surfactants and their use in enhanced oil recovery applications
10/19/2011	EP2378058A2 Monitoring sand screen
10/19/2011	EP2378057A2 Sand control screen assembly having remotely disabled reverse flow control capability
10/19/2011	EP2162593B1 Methods of laying elongate articles at sea
10/19/2011	CN202012901U Mobile steam-injection boiler
10/19/2011	CN202012341U High efficiency gas anchor for screw pump
10/19/2011	CN202012340U High efficient gas anchor
10/19/2011	CN202012339U Oil-water-gas three-phase separating device for oil field
10/19/2011	CN202012338U Annular adjustable jet-flow liquid preparing device
10/19/2011	CN202012337U Oil wellhead chemical agent adding device
10/19/2011	CN202012336U Integrally-sealed perforating sand-preventing device
10/19/2011	CN202012335U Horizontal well drillable quartz sand filter pipe sand-proof matched pipe column
10/19/2011	CN202012334U Stepless speed regulating AC servo motor driving system
10/19/2011	CN202012333U Driving device for oil extraction machine
10/19/2011	CN202012332U Balancing regulator for balancing beam pumping unit
10/19/2011	CN202012327U Excessive capillary test packer
10/19/2011	CN202012324U Module structure of gas injection and gas extraction for gas storage wellhead
10/19/2011	CN202012323U Measurement test device for cluster gas well
10/19/2011	CN102224321A Shape memory polyurethane foam for downhole sand control filtration devices
10/19/2011	CN102224320A Sand control screen assembly and method for use of same
10/19/2011	CN102221072A Automatic expansion tightening mechanism for belt of pumping unit of oil well
10/19/2011	CN102220861A Acid esters coordination directional glue crushing method
10/19/2011	CN102220860A Polymer-surfactant binary compound oil displacement method
10/19/2011	CN102220859A Oil flooding method for greatly improving recovery rate of crude oil
10/19/2011	CN102220858A Device for automatically controlling gas output stability of well type underground coal bed gasification
10/19/2011	CN102220857A Foam metal composite sand prevention structure and liquid extracting pipe
10/19/2011	CN102220856A Balancing oil extractor
10/19/2011	CN102220855A Double-crank secondary reciprocating balance lifting device
10/19/2011	CN102220854A Novel vertical energy-saving oil pumping unit
10/19/2011	CN102220853A Asymmetrically operated non-beam coal bed gas sampling method and device
10/19/2011	CN102220852A Control system for walking beam-free coal bed gas extractor
10/19/2011	CN102220849A Installing and guiding system of propping-tensioning vertical pipe and using and recovery methods thereof
10/19/2011	CN102220842A Radial high-pressure water jetting composite well with ultrashort radius as well as well completion tool and technology
10/19/2011	CN102220123A Oil displacement method for tertiary oil recovery
10/19/2011	CN102220119A Oil displacing method for reservoirs with high temperature and salinity
10/18/2011	US8039422 Method of mixing a corrosion inhibitor in an acid-in-oil emulsion
10/18/2011	US8039421 Process using aloe for inhibiting scale
10/18/2011	US8038368 Method and system for starting up a pipeline
10/18/2011	US8037938 Selective completion system for downhole control and data acquisition
10/18/2011	US8037937 Method and a device for solvent injection in a subsurface well
10/18/2011	CA2668390C In situ recovery from a tar sands formation
10/18/2011	CA2655149C Downhole perforator assembly and method for use of same
10/18/2011	CA2651083C Plunger lift system for well
10/18/2011	CA2649275C Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids
10/18/2011	CA2645938C Methods and compositions for reducing fluid loss during treatment with viscoelastic surfactant gels
10/18/2011	CA2634240C Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids
10/18/2011	CA2618937C Sucker rod pump with improved ball and seat
10/18/2011	CA2537816C Device and method of lining a wellbore
10/18/2011	CA2509309C Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation
10/18/2011	CA2493210C Method and apparatus to selectively reduce wellbore pressure during pumping operations
10/18/2011	CA2483383C System and method for a combined submersible motor and protector
10/14/2011	CA2699869A1 Perforating gun loading bay, table and method
10/13/2011	WO2011127433A2 System and method for subsea production system control
10/13/2011	WO2011127411A2 Fluid displacement methods and apparatus for hydrocarbons in subsea production tubing
10/13/2011	WO2011127275A1 Insulated conductor heaters with semiconductor layers
10/13/2011	WO2011127264A1 Leak detection in circulated fluid systems for heating subsurface formations
10/13/2011	WO2011127238A1 Multi-well interference testing and in-situ reservoir behavior characterization
10/13/2011	WO2011126669A1 Subterranean well valve activated with differential pressure
10/13/2011	WO2011126633A1 Shunt isolation valve
10/13/2011	WO2011126617A2 Tubular embedded nozzle assembly for controlling the flow rate of fluids downhole
10/13/2011	WO2011101481A3 Tubular assembly
10/13/2011	WO2011073747A3 Delivery of nanodispersions below ground
10/13/2011	WO2011063137A3 System and method for transporting fluids in a pipeline
10/13/2011	WO2011051453A3 Subsea pumping system
10/13/2011	US20110247832 Expandable slip ring for use with liner hangers and liner top packers
10/13/2011	US20110247831 Submersible hydraulic artificial lift systems and methods of operating same
10/13/2011	US20110247830 Novel surfactants for tertiary mineral oil extraction based on branched alcohols
10/13/2011	US20110247829 Tracking geologic object and detecting geologic anomalies in exploration seismic data volume
10/13/2011	US20110247827 Dual Drilling Activity Drilling Ship
10/13/2011	US20110247825 System and method for subsea power distribution network
10/13/2011	US20110247824 Automatic stage design of hydraulic fracture treatments using fracture height and in-situ stress
10/13/2011	US20110247823 Method of contacting hydrocarbon-bearing formations with fluorinated phosphate and phosphonate compositions
10/13/2011	US20110247822 Method of contacting hydrocarbon-bearing formations with fluorinated ether compositions
10/13/2011	US20110247821 Compositions and method for breaking hydraulic fracturing fluids
10/13/2011	US20110247820 Methods for treating hydrocarbon formations
10/13/2011	US20110247819 Low temperature inductive heating of subsurface formations
10/13/2011	US20110247818 Variable thickness insulated conductors
10/13/2011	US20110247816 Method and Apparatus for Increasing Well Productivity
10/13/2011	US20110247815 Method and apparatus for single run cutting of well casing and forming subsurface lateral passages from a well
10/13/2011	US20110247813 System and method for controlling flow through a sand screen
10/13/2011	US20110247812 Methods to gravel pack a well using expanding materials
10/13/2011	US20110247811 Methods for treating hydrocarbon formations based on geology
10/13/2011	US20110247810 Methods for heating with slots in hydrocarbon formations
10/13/2011	US20110247809 Methodologies for treatment of hydrocarbon formations using staged pyrolyzation
10/13/2011	US20110247808 Leak detection in circulated fluid systems for heating subsurface formations
10/13/2011	US20110247807 Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness
10/13/2011	US20110247806 Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore
10/13/2011	US20110247805 Insulated conductor heaters with semiconductor layers
10/13/2011	US20110247804 Waste processing system
10/13/2011	US20110247802 Barrier methods for use in subsurface hydrocarbon formations
10/13/2011	US20110247798 Tubing hanger running tool with integrated pressure release valve

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