| 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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| 09/18/2013 | CN103306653A Constant dryness distributor for steam water mixture in oil field steam injection boiler heating network |
| 09/18/2013 | CN103306652A Crude oil type composite heat carrier generator system |
| 09/18/2013 | CN103306651A Multi-angle displacement CT scanning system based on top gas injection |
| 09/18/2013 | CN103306650A Method and system for mining natural gas hydrates in land frozen soil layer |
| 09/18/2013 | CN103306649A Blocking type electric control continuous adjustable injection allocation device for overflow polymer injection well |
| 09/18/2013 | CN103306648A Foam flooding method for thickened oil |
| 09/18/2013 | CN103306647A Active rotary dynamic mixer applicable to thick oil mixed with thin oil mining |
| 09/18/2013 | CN103306646A Control device and control method thereof for oil-gas well multistage perforator |
| 09/18/2013 | CN103306645A Once drilling fracturing completion pipe string of horizontal well and drilling fracturing completion technology |
| 09/18/2013 | CN103306644A Sand/liquid removing device at wellhead of gas well |
| 09/18/2013 | CN103306643A Drainage gas recovery device and method |
| 09/18/2013 | CN103306642A Numerical control energy-saving and rodless type pumping unit |
| 09/18/2013 | CN103306641A Gas handling and gas lift production integral pipe column |
| 09/18/2013 | CN103306627A Fracturing wellhead device |
| 09/18/2013 | CN103305208A Strong acid-based surfactant fracturing fluid and fracturing method thereof |
| 09/18/2013 | CN103305203A Anti-swelling oil-displacing agent as well as preparing method and using method thereof |
| 09/18/2013 | CN103305201A Resin sand control agent for thickened oil thermal recovery horizontal well and preparation method and application of resin sand control agent |
| 09/18/2013 | CN102582977B Single-well split-type heating multifunctional storage tank device |
| 09/18/2013 | CN102305056B Eccentric electric injection allocation device for polymer injection well |
| 09/18/2013 | CN102277147B Oil displacement method for high-temperature high-salt oil reservoir |
| 09/18/2013 | CN102182439B Balanced-pressure perforation/negative-pressure backflow process |
| 09/18/2013 | CN102182431B Multi-bullet directional fixed experiment perforator |
| 09/18/2013 | CN102168546B Key unlocking-type sliding sleeve switch |
| 09/18/2013 | CN102121394B Method for uncovering outburst coal seam by using pseudo lithosphere on laneway |
| 09/18/2013 | CN101778995B Method and apparatus for connecting shunt tubes to sand screen assemblies |
| 09/18/2013 | CN101535594B Polyelectrolyte complexes for oil and gas applications |
| 09/18/2013 | CN101466994B Device for perforating underground layer and method therefor |
| 09/18/2013 | CN101438027B Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and criti |
| 09/18/2013 | CN101421486B Wellbore method and apparatus for sand and inflow control during well operations |
| 09/18/2013 | CN101126311B Petroleum horizontal well expansion sand control screen device and expansion technique |
| 09/17/2013 | US8534383 Viscosity reducer for water-based muds |
| 09/17/2013 | US8534367 Wireline pressure setting tool and method of use |
| 09/17/2013 | US8534364 Assembly and method for production of gas or gas and condensate/oil |
| 09/17/2013 | US8534358 Method for heating a hydrocarbon reservoir |
| 09/17/2013 | US8534357 Wellbore laser operations |
| 09/17/2013 | US8534356 Methods and compositions for consolidating particulate matter in a subterranean formation |
| 09/17/2013 | US8534355 Gas valve and production tubing with a gas valve |
| 09/17/2013 | US8534354 Completion string deployment in a subterranean well |
| 09/17/2013 | US8534353 Hydraulic actuated pump system |
| 09/17/2013 | US8534352 Methods and apparatus for enhanced oil recovery |
| 09/17/2013 | US8534351 Processing hydrocarbons |
| 09/17/2013 | US8534350 RF fracturing to improve SAGD performance |
| 09/17/2013 | CA2565546C Separation of crude oil at the well head |
| 09/16/2013 | CA2809799A1 Process for purification of produced water |
| 09/16/2013 | CA2808858A1 Wellbore real-time monitoring and analysis of fracture contribution |
| 09/16/2013 | CA2771703A1 Fully controlled combustion assisted gravity drainage process |
| 09/14/2013 | CA2812394A1 System and method for controlling the processing of oil sands |
| 09/12/2013 | WO2013134624A1 System and method for delivering treatment fluid |
| 09/12/2013 | WO2013134622A2 System and method for delivering treatment fluid |
| 09/12/2013 | WO2013134538A1 Portable device and method for field testing proppant |
| 09/12/2013 | WO2013134201A1 Low profile magnetic orienting protectors |
| 09/12/2013 | WO2013133824A1 Thermally induced liquidizing downhole tool |
| 09/12/2013 | WO2013133720A1 Method for zone isolation in a subterranean well |
| 09/12/2013 | WO2013133718A1 Method for removal of casings in an underground well |
| 09/12/2013 | WO2013132137A1 Method and apparatus for extracting oil from the soil comprising oil or from the solid materials comprising oil |
| 09/12/2013 | WO2013131178A1 Counterweighted pump jack with reversible motors |
| 09/12/2013 | WO2013131165A1 Magnetic installation and retrieval tool for fluid lift plungers |
| 09/12/2013 | WO2013106059A3 Methods for removing residual polymer from a hydraulic fracture |
| 09/12/2013 | WO2013096871A3 Systems and methods for mechanical hydrocarbon dispersion |
| 09/12/2013 | WO2013043663A3 Dual purpose observation and production well |
| 09/12/2013 | WO2012173921A3 Electromagnetic heat treatment providing enhanced oil recovery |
| 09/12/2013 | WO2012143807A4 Downhole assembly with magnetic gearbox |
| 09/12/2013 | WO2012122026A3 In situ catalytic upgrading |
| 09/12/2013 | WO2012078917A3 Multiple component neutrally buoyant proppant |
| 09/12/2013 | WO2012078847A3 Single component neutrally buoyant proppant |
| 09/12/2013 | US20130233561 Method of fracing a wellbore |
| 09/12/2013 | US20130233560 Remotely operated system for use in hydraulic fracturing of ground formations, and method of using same |
| 09/12/2013 | US20130233559 Surfactant Additives for Stimulating Subterranean Formation During Fracturing Operations |
| 09/12/2013 | US20130233557 Bottomhole assembly for capillary injection system |
| 09/12/2013 | US20130233554 Full Flow Gun System for Monobore Completions |
| 09/12/2013 | US20130233553 Methods for Servicing Subterranean Wells |
| 09/12/2013 | US20130233545 Self-suspending proppants for hydraulic fracturing |
| 09/12/2013 | US20130233542 System and method for delivering treatment fluid |
| 09/12/2013 | US20130233541 Apparatus and Method for Providing an Alternate Flow Path in Isolation Devices |
| 09/12/2013 | US20130233539 Increasing oil production |
| 09/12/2013 | US20130233537 Fracture Characterisation |
| 09/12/2013 | US20130233536 Portable device and method for field testing proppant |
| 09/12/2013 | US20130233533 Deep-well pump system |
| 09/12/2013 | DE102012102045A1 Verfahren zur Herstellung von Gelsystemen für Öl- und Gasfeldanwendungen, wie Fracking und Bohrlochreinigung und nach diesem Verfahren hergestelltes Gelsystem Process for the preparation of gel systems for oil and gas field applications such as fracking and well cleaning and produced by this method gel system |
| 09/12/2013 | CA2828259A1 Magnetic installation and retrieval tool for fluid lift plungers |
| 09/11/2013 | EP2636844A2 Selective fracturing system |
| 09/11/2013 | EP2636843A1 Well completion |
| 09/11/2013 | EP2636840A1 Bottomhole assembly for capillary injection system |
| 09/11/2013 | EP2635769A2 Method and apparatus for creating an annular barrier in a subterranean wellbore |
| 09/11/2013 | EP2635652A1 Additives to suppress silica scale build-up and methods of use thereof |
| 09/11/2013 | CN203188999U Oil field single well intelligent meter regulator |
| 09/11/2013 | CN203188992U Multistage hydraulic jetting staged fracturing pipe column structure |
| 09/11/2013 | CN203188991U Sliding sleeve type layered eight-level fracturing pipe column |
| 09/11/2013 | CN203188990U 油层加热燃烧器 Oil heating burner |
| 09/11/2013 | CN203188989U Oil well heating vapor generator |
| 09/11/2013 | CN203188988U Oil layer heating control device |
| 09/11/2013 | CN203188987U Injection allocation device for polymer flooding sleeve variable well |
| 09/11/2013 | CN203188986U Low-permeability oil field skid-mounted movable liquid CO2 injecting device |
| 09/11/2013 | CN203188985U Direct-reading flow electrically controlled water distributor |
| 09/11/2013 | CN203188984U Three-channel flow string |
| 09/11/2013 | CN203188983U Novel connecting device for mezzanine gun and perforating gun |
| 09/11/2013 | CN203188982U 真空负压射孔装置 Vacuum perforating device |
| 09/11/2013 | CN203188981U Numerical control system device for beam-pumping unit |
| 09/11/2013 | CN203188980U Self-balancing type digital oil pumping machine |
| 09/11/2013 | CN203188979U Digital beam-pumping unit |