| 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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| 01/30/2014 | WO2014018696A1 Utilization of microwave technology in enhanced oil recovery process for deep shallow applications |
| 01/30/2014 | WO2014018585A1 Apparatus, system and method for removing gas from fluid produced from a wellbore |
| 01/30/2014 | WO2014018210A1 Pipe-in-pipe shunt tube assembly |
| 01/30/2014 | WO2014018209A1 Expandable screen using magnetic shape memory alloy material |
| 01/30/2014 | WO2014018094A1 Fracture water treatment method and system |
| 01/30/2014 | WO2014018085A1 Systems and methods for sonic subsurface material removal |
| 01/30/2014 | WO2014016067A2 Device and method for extracting carbonaceous substances from oil sand |
| 01/30/2014 | WO2014016066A2 Device and method for extracting carbon-containing substances from oil sand |
| 01/30/2014 | WO2014016062A2 Device and method for extracting carbon-containing substances from oil sand |
| 01/30/2014 | WO2014015984A1 Oil removal from a stream of oil-separated sample droplets |
| 01/30/2014 | WO2014015435A1 Drive head safety guard |
| 01/30/2014 | WO2013093789A3 Method and system for processing a stream comprising glycol based and kinetic hydrate inhibitors |
| 01/30/2014 | WO2013063378A3 Well completion method to allow dual monitoring of reservoir saturation and pressure |
| 01/30/2014 | WO2013060472A3 Method and device for connecting a new pipe to a counter piece of a natural gas or crude oil source which has been damaged in a deep-sea area |
| 01/30/2014 | US20140032193 Variable fidelity simulation of flow in porous media |
| 01/30/2014 | US20140032192 Method Of Minimizing Wellbore Instability |
| 01/30/2014 | US20140027122 Two Component Source Seismic Acquisition and Source De-Ghosting |
| 01/30/2014 | US20140027121 Method for hydraulically fracturing a subterranean reservoir |
| 01/30/2014 | US20140027120 Method and apparatus for hydraulic fracturing |
| 01/30/2014 | US20140027119 In situ recovery from a hydrocarbon containing formation |
| 01/30/2014 | US20140027117 System and method of cutting and removing casings from wellbore |
| 01/30/2014 | US20140027115 Pipe-in-Pipe Shunt Tube Assembly |
| 01/30/2014 | US20140027114 Apparatus and method for oilfield material delivery |
| 01/30/2014 | US20140027112 Systems and methods for measuring parameters of a formation |
| 01/30/2014 | US20140027110 Plasma source for generating nonlinear, wide-band, periodic, directed, elastic oscillations and a system and method for stimulating wells, deposits and boreholes using the plasma source |
| 01/30/2014 | US20140027109 Utilization of microwave technology in enhanced oil recovery process for deep and shallow applications |
| 01/30/2014 | US20140027108 Expandable Screen Using Magnetic Shape Memory Alloy Material |
| 01/30/2014 | DE102012014658A1 Vorrichtung und Verfahren zur Gewinnung von kohlenstoffhaltigen Substanzen aus Ölsand Device and method for the recovery of carbonaceous substances from oil sands |
| 01/30/2014 | DE102012014657A1 Vorrichtung und Verfahren zur Gewinnung von kohlenstoffhaltigen Substanzen aus Ölsand Device and method for the recovery of carbonaceous substances from oil sands |
| 01/30/2014 | DE102012014656A1 Vorrichtung und Verfahren zur Gewinnung vonkohlenstoffhaltigen Substanzen aus Ölsand Apparatus and method for obtaining vonkohlenstoffhaltigen substances from oil sands |
| 01/30/2014 | CA2876078A1 Fracture water treatment method and system |
| 01/29/2014 | EP2690250A1 Running tool with independent housing rotation sleeve |
| 01/29/2014 | EP2689827A1 Oil removal from a stream of oil-separated sample droplets |
| 01/29/2014 | EP2689102A1 Well tool assemblies with quick connectors and shock mitigating capabilities |
| 01/29/2014 | EP2689101A2 Apparatus and method for securing and sealing a tubular portion to another tubular |
| 01/29/2014 | EP2689100A2 Apparatus and method for positioning of a fluidized plugging material in an oil well or gas well |
| 01/29/2014 | EP2689099A1 Methods of using invert emulsion fluids with high internal phase concentration |
| 01/29/2014 | EP2689093A1 Method for the assisted installation of an underwater riser |
| 01/29/2014 | EP2522997B1 Monitoring hydrocarbon fluid flow |
| 01/29/2014 | CN203412578U Heterogeneous physical model between oil layers |
| 01/29/2014 | CN203412568U Natural gas field bradenhead gas purifying device |
| 01/29/2014 | CN203412567U Pipeline type filtering desander |
| 01/29/2014 | CN203412566U Acid fracturing truck |
| 01/29/2014 | CN203412565U Acid fracturing and thermal washing crowbar |
| 01/29/2014 | CN203412564U Sand hopper separation device of sand mixing truck |
| 01/29/2014 | CN203412563U Drillable slide sleeve |
| 01/29/2014 | CN203412562U Seat-seal short joint device |
| 01/29/2014 | CN203412561U Injection-production integrated sand-draining oil-producing device of thermal oil-producing well |
| 01/29/2014 | CN203412560U Foam drainage liquid and methyl alcohol filling device |
| 01/29/2014 | CN203412559U Sand control well completion tool of underground drawing expansion sand filtering pipe |
| 01/29/2014 | CN203412558U Down-hole petroleum sand prevention filter pipe |
| 01/29/2014 | CN203412557U Out-phase crank beam pumping unit |
| 01/29/2014 | CN203412556U Anti-twisting device for beam hanger |
| 01/29/2014 | CN203412555U Hydraulic pumping unit |
| 01/29/2014 | CN203412554U Novel balanced type bumping unit |
| 01/29/2014 | CN203412553U Novel energy-saving pumping unit |
| 01/29/2014 | CN203412552U Water and pulverized coal discharging coal-bed methane mining device |
| 01/29/2014 | CN203412551U Intelligent mute type oil sucking machine |
| 01/29/2014 | CN203412530U Backwashing device for oil field |
| 01/29/2014 | CN103547769A Formation treatment system and method |
| 01/29/2014 | CN103547765A Expansion cone assembly for setting a liner hanger in a wellbore casing |
| 01/29/2014 | CN103547653A Biomass-based oil field chemicals |
| 01/29/2014 | CN103547545A Proppant particles formed from slurry droplets and method of use |
| 01/29/2014 | CN103541730A Fluid expulsion saturating device for large-size physical model and displacement experiment system thereof |
| 01/29/2014 | CN103541721A Test system for sand control screen pipes |
| 01/29/2014 | CN103541717A Oil-gas-water three-phase multifunctional detection system |
| 01/29/2014 | CN103541714A Spray nozzle and underground coal gasification method |
| 01/29/2014 | CN103541713A Coalbed methane near-wellbore area chemical block removing method |
| 01/29/2014 | CN103541712A Method for plug removal of triassic oil reservoir in nitrogen foam acidification mode |
| 01/29/2014 | CN103541711A Small aperture hydrofracturing control method for coal face end unsupported roof |
| 01/29/2014 | CN103541710A Method for forcedly draining gas from underground gas and liquid alternate phase-drive fracture coal of coal mine |
| 01/29/2014 | CN103541709A Fracturing sliding sleeve assembly |
| 01/29/2014 | CN103541708A Method for improving super-heavy oil steam flooding recovery efficiency |
| 01/29/2014 | CN103541707A Steam restrictor |
| 01/29/2014 | CN103541706A Horizontal well steam injection ground simulation test system |
| 01/29/2014 | CN103541705A High-temperature blocking and adjusting device and method for super-heavy oil reservoir steam flooding |
| 01/29/2014 | CN103541704A Method of improving deep super-thick oil reservoir recovery efficiency |
| 01/29/2014 | CN103541703A Microorganism oil extraction method |
| 01/29/2014 | CN103541702A Method for enhancing oil recovery of low permeability sandstone reservoir |
| 01/29/2014 | CN103541701A Oil displacing method for improving high-temperature oil reservoir tertiary oil recovery rate |
| 01/29/2014 | CN103541700A Reverse seal type eccentric water distributor |
| 01/29/2014 | CN103541699A Reverse-play preventing layering flow control flow string |
| 01/29/2014 | CN103541698A Gas well underground fixed yield throttling production device |
| 01/29/2014 | CN103541697A Anti-slide single-rubber-barrel downhole throttling device |
| 01/29/2014 | CN103541696A Staged pressurized composite perforating device |
| 01/29/2014 | CN103541695A Dynamic self-cleaning screen pipe |
| 01/29/2014 | CN103541694A Three-dimensional pumping unit |
| 01/29/2014 | CN103541693A Tower pumping unit |
| 01/29/2014 | CN103541692A Drainage gas recovery tool capable of preventing top from self-unloading |
| 01/29/2014 | CN103541691A Intelligent hydraulic energy-saving oil pumping device |
| 01/29/2014 | CN103540308A Supercritical carbon dioxide based fracturing liquid system and application thereof |
| 01/29/2014 | CN102587882B Recoverable once pipe column fracture-acidizing well completion process and tool thereof |
| 01/29/2014 | CN102352739B Comprehensive high-efficiency energy-saving beam oil pumping machine |
| 01/29/2014 | CN102177217B Improved fluid loss compositions and methods of use for subterranean operations |
| 01/29/2014 | CN102102504B Pressure transfer eccentric water distribution blanking plug |
| 01/29/2014 | CN102076930B Method for increasing the recovery of hydrocarbons |
| 01/29/2014 | CN101974321B Micelle oil displacement agent with oil deposit adaptability |
| 01/29/2014 | CN101701516B Staggered automatic-seam-washing sand-controlled sieve tube |
| 01/29/2014 | CN101688439B Christmas tree with internally positioned flowmeter |
| 01/28/2014 | US8636323 Mines and tunnels for use in treating subsurface hydrocarbon containing formations |