Patents
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)
06/2013
06/20/2013WO2013014434A3 Particulate material delivery method and system
06/20/2013WO2013003364A3 Air-freightable subsea well containment tooling package
06/20/2013WO2012098377A3 Downhole tools
06/20/2013WO2012095472A3 Method and system for radially expanding a tubular element and directional drilling
06/20/2013WO2012049511A3 Wellbore gravity water separator
06/20/2013US20130157920 Cleaning, purifying, treating, and extracting compositions and associated methods for utilizing the same
06/20/2013US20130154338 "liquid collection process with liquid guiding holes for in-situ leaching an ore body to extract rare earth elements"
06/20/2013US20130153465 Processing Hydrocarbons
06/20/2013US20130153295 Coupler compliance tuning for mitigating shock produced by well perforating
06/20/2013US20130153246 Variable Tg Shape Memory Materials for Wellbore Devices
06/20/2013US20130153243 Apparatus and method for reducing vibration in a borehole
06/20/2013US20130153242 In-riser power generation
06/20/2013US20130153233 Method of fracturing subterranean formations with crosslinked fluid
06/20/2013US20130153232 Methods and compositions for reducing permeability of a subterranean formation
06/20/2013US20130153231 Automatic chemical treatment system with liquid level sensor in chemical tank for calibration and chemical dispensing rate control
06/20/2013US20130153229 System, method and apparatus for enhancing wellbore treatment fluid flexibility
06/20/2013US20130153228 System and method for producing oil
06/20/2013US20130153226 Method for Delayedly Crosslinking Environmentally Friendly Fluids
06/20/2013US20130153225 Compositions and Methods for Treatment of Well Bore Tar
06/20/2013US20130153224 Methods of controllably milling a window in a cased wellbore using a pressure differential to cause movement of a mill
06/20/2013US20130153218 Method and system for lifting fluids from a reservoir
06/20/2013US20130153217 Enhancing water recovery in subterranean wells with a cryogenic pump
06/20/2013US20130153216 Recovery From A Hydrocarbon Reservoir
06/20/2013US20130153215 Recovery From A Hydrocarbon Reservoir
06/20/2013US20130153211 Wave stimulation
06/20/2013US20130153210 Situ rf heating of stacked pay zones
06/20/2013US20130153209 Shewanella enrichment from oil reservoir fluids
06/20/2013US20130153205 Electrical connector modules for wellbore devices and related assemblies
06/20/2013DE102011088986A1 Vorrichtung und Verfahren zum Verarbeiten eines Gemisches aus Gas, Öl und Wasser Apparatus and method for processing a mixture of gas, oil and water
06/20/2013CA2857581A1 In-riser power generation
06/20/2013CA2857123A1 Controlled electrolytic degradation of downhole tools
06/20/2013CA2855986A1 Ucg channel
06/20/2013CA2853032A1 Fluid flow control
06/20/2013CA2823495A1 Horizontal and vertical well fluid pumping system
06/20/2013CA2799053A1 Method for producing viscous well fluid from a formation in a high temperature environment
06/19/2013EP2603663A1 Crimped end wrapped on pipe well screen
06/19/2013CN203012438U Energy-saving device for controlling automatic intermittent pumping of pumping unit
06/19/2013CN203009777U Rope sheave and tower frame type numerical control oil pumping machine
06/19/2013CN203008884U Downhole oil-water separation column for oil gas field development
06/19/2013CN203008883U Steam injection oil production technique pipe column
06/19/2013CN203008882U Under-pressure working device of low-short type oil field water injection well
06/19/2013CN203008881U Miniature intelligent free-combination water injection device
06/19/2013CN203008880U Insertion-tube type release layered water injection tubular column
06/19/2013CN203008879U Ultrahigh pressure nitrogen injection composite manifold
06/19/2013CN203008878U Self pressure relief type connector
06/19/2013CN203008877U Perforating charge cartridge
06/19/2013CN203008876U Trough-tubing perforating charge cartridge and perforating charge thereof
06/19/2013CN203008875U Sand filtering device for oil well
06/19/2013CN203008874U Lining used for gravel filling tool
06/19/2013CN203008873U Rack type twin-well oil pumping unit
06/19/2013CN203008872U Balance block adjuster of walking beam type oil pumping machine
06/19/2013CN203008871U Balance beam-pumping unit
06/19/2013CN203008870U Sand control device for oil well
06/19/2013CN203008869U Gas recycling device used for stable production of high-water-content oil and gas well
06/19/2013CN203008868U Anti-slip fixing device for pumping unit balance block
06/19/2013CN203008867U Reversing pumping unit of pressure balance motor
06/19/2013CN203008866U Pumping unit transmission system with movable pulley
06/19/2013CN203008865U Transmission belt for oil pumping unit
06/19/2013CN203008857U Sliding sleeve switching tool
06/19/2013CN203008829U Two-channel watering control valve
06/19/2013CN203008806U Plane load-bearing manual rotating oil extraction well mouth
06/19/2013CN103166542A Speed governing autodyne phase modulation intelligent control method for pumping unit
06/19/2013CN103162282A Method and system of producing superheated steam
06/19/2013CN103161493A Gas-liquid-solid three-phase coupling blasting weakening rock burst and permeability increasing method
06/19/2013CN103161458A Experimental device for simulating heavy oil reservoir gas auxiliary steam thermal oil recovery and special model system thereof
06/19/2013CN103161452A Two-dimension microcosmic visualization experiment simulating device and use method thereof
06/19/2013CN103161440A Single-well coalbed methane horizontal well system and finishing method thereof
06/19/2013CN103161439A Horizontal segment updip well group
06/19/2013CN103161438A Tubular column of perforation fracturing test system
06/19/2013CN103161437A Fleeing sealing sand-prevention ignition method of fireflooding oil extraction
06/19/2013CN103161436A Well test interpretation method of horizontal well for thickened oil thermal recovery
06/19/2013CN103161435A Well test interpretation method of vertical well for thickened oil thermal recovery
06/19/2013CN103161434A Mining method for low permeability reservoir of shale gas and the like
06/19/2013CN103161433A Oil-well pump energy-storage enhancing device capable of compressing natural gas automatically
06/19/2013CN103161432A Lifting type layered oil production tubular column
06/19/2013CN103161431A Small hole well completion lifting technology tubular column and use method thereof
06/19/2013CN103161430A Pumping unit jig frequency, balance real-time capacity adjusting method and device thereof
06/19/2013CN103161428A Method for improving oil temperature at outlet of oil well
06/19/2013CN103160270A Encapsulated gel breaker for hydraulic fracturing of coalbed methane well, as well as preparation and using methods thereof
06/19/2013CN103160266A Viscosity-reduction, profile-control and oil-displacement oil well additive, oil well combination treating agent and application thereof
06/19/2013CN103160264A Oil well combined treating agent for viscosity reduction, profile control and oil displacement and application thereof
06/19/2013CN102191933B Process for measuring and controlling produced gas of coal bed gas well
06/19/2013CN102168548B Exploitation measuring device and method of coal bed gas well
06/19/2013CN102161885B Outer circulation method for rapidly preparing gelled acid on site
06/19/2013CN102155192B Double-well energy-saving oil sucking machine and using method thereof
06/19/2013CN102071921B Underground drilling and fracturing-integrated staged fracturing device and gas drainage process
06/19/2013CN101979826B Method for repairing coal bed gas multi-branch horizontal accident well
06/19/2013CN101915087B Sieve tube water control device
06/19/2013CN101910555B Casing expanding tool
06/19/2013CN101881148B Jacket riser mounting method and special riser component thereof
06/19/2013CN101815842B Shrink tube encapsulated magnet wire for electrical submersible motors
06/19/2013CN101772618B Drainage of heavy oil reservoir via horizontal wellbore
06/19/2013CN101725343B Ground device for separated layer water injection
06/19/2013CN101660399B Oil extractor with low cost, long stroke and low stroke frequency
06/19/2013CN101638982B Multi-formation fracturing device and process of release tubular column
06/19/2013CN101490362B Method of radially expanding a tubular element
06/19/2013CN101484662B Recovery of hydrocarbons using horizontal wells
06/19/2013CN101297096B System and method for heating hydrocarbon containing formation and method for installing system in formation opening
06/19/2013CN101238271B Method for controlling flow from reservoir into production tube
06/19/2013CN101175893B Self conforming screen