| 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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| 12/19/2013 | US20130333885 Lateral wellbore configurations with interbedded layer |
| 12/19/2013 | US20130333884 Side-well injection and gravity thermal recovery processes |
| 12/19/2013 | US20130333883 Correlating depth on a tubular in a wellbore |
| 12/19/2013 | US20130333880 Method for Obtaining Diagnostics and Control of the Pumping Process of Rod Pumped Oil and Gas Wells and Devices for the Method Execution |
| 12/19/2013 | US20130333879 Method for Closed Loop Fracture Detection and Fracturing using Expansion and Sensing Apparatus |
| 12/19/2013 | US20130333878 Alternate energy source usage for in situ heat treatment processes |
| 12/19/2013 | US20130333874 Through Tubing gas lift mandrel |
| 12/19/2013 | US20130333763 Access system for a pressure controlled environment |
| 12/19/2013 | CA2876994A1 Method for making windows in oil well casing |
| 12/19/2013 | CA2876388A1 System, method, & computer program product to determine placement of fracture stimulation points using mineralogy |
| 12/19/2013 | CA2876368A1 Methods of operation for reduced residual hydrocarbon accumulation in oil shale processing |
| 12/19/2013 | CA2876124A1 Side-well injection and gravity thermal recovery processes |
| 12/19/2013 | CA2875959A1 Pressure-activated switch |
| 12/19/2013 | CA2875546A1 A fischer-tropsch method for offshore production risers for oil and gas wells |
| 12/19/2013 | CA2875073A1 Shunt tube connection assembly and method |
| 12/19/2013 | CA2874859A1 Utilization of spheroidized tungsten in shaped charge systems |
| 12/18/2013 | EP2673464A1 Reservoir treatment |
| 12/18/2013 | EP2673463A2 System and method for servicing a wellbore |
| 12/18/2013 | EP2673462A2 A METHOD FOR INDIViDUALLY SERVICING A PLURALITY OF ZONES OF A SUBTERRANEAN FORMATION |
| 12/18/2013 | EP2673461A1 Wellbore injection system |
| 12/18/2013 | EP2673460A2 Completion assembly |
| 12/18/2013 | EP2673459A1 Method and apparatus for removing water from a natural gas well |
| 12/18/2013 | EP2673458A2 Partially retrievable safety valve |
| 12/18/2013 | EP2539994B1 Cooling system for a multistage electric motor |
| 12/18/2013 | EP2537051B1 Apparatus and methods for providing information about one or more subterranean variables |
| 12/18/2013 | EP2536917B1 Valve system |
| 12/18/2013 | EP2452040B1 A down hole well tool provided with a piston |
| 12/18/2013 | EP2255064B1 Multi-cycle single line switch |
| 12/18/2013 | EP2221450B1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 12/18/2013 | CN203347777U Crude oil gas-distributing purifier and crude oil processing device |
| 12/18/2013 | CN203347776U Oil-gas-water three-phase flow gas-liquid separation device for yield profile logging |
| 12/18/2013 | CN203347775U Visual type three-phase separator for oil, gas and water |
| 12/18/2013 | CN203347774U Novel continuous metering separator |
| 12/18/2013 | CN203347773U Sampling type metering separator |
| 12/18/2013 | CN203347772U Multi-functional throwing-in and pulling type acid replacement and discharge jet device |
| 12/18/2013 | CN203347771U Fracture sliding sleeve capable of being opened and closed repeatedly |
| 12/18/2013 | CN203347770U Closed type device for loading fracturing slack ground stress on gas layer through pulses |
| 12/18/2013 | CN203347769U In-tube back-insertion packer pitching sliding sleeve sectioning fracturing tool |
| 12/18/2013 | CN203347768U Hydraulic spray gun, sliding sleeve and packer all-in-one fracturing tool |
| 12/18/2013 | CN203347767U Tool crushing size of a plurality of sliding sleeves of open hole |
| 12/18/2013 | CN203347766U Sliding sleeve layering fracturing tool of well cementation sleeve |
| 12/18/2013 | CN203347765U Tool for volume fracturing of pressure balancing sliding sleeve |
| 12/18/2013 | CN203347764U Multifunctional intelligent agent injecting device |
| 12/18/2013 | CN203347763U Scattered oilfield flooding booster and water distribution intelligent integration device |
| 12/18/2013 | CN203347762U Movable water injection drum |
| 12/18/2013 | CN203347761U Underground throttling device of natural gas well |
| 12/18/2013 | CN203347760U Three-jet-flow gathering perforation device |
| 12/18/2013 | CN203347759U Dynamic negative pressure perforator with novel pressure release valve |
| 12/18/2013 | CN203347758U Hydraulic sandblasting perforating device |
| 12/18/2013 | CN203347757U High-strength self-cleaning sieve tube |
| 12/18/2013 | CN203347756U Snubbing removing device for electric pump oil extraction pipe columns |
| 12/18/2013 | CN203347755U Stuck-preventing extraction-helping device |
| 12/18/2013 | CN203347754U Well mouth hydraulic compensation device of sucker rod |
| 12/18/2013 | CN203347753U Double-horsehead pumping unit provided with chain hauling mechanism |
| 12/18/2013 | CN203347752U Single-horsehead pumping unit provided with chain hauling mechanism |
| 12/18/2013 | CN203347736U Water-injection packer capable of being subjected to deblocking step by step |
| 12/18/2013 | CN203347717U Automatic dropping-fishing machine |
| 12/18/2013 | CN103459770A High permeability frac proppant |
| 12/18/2013 | CN103459769A Valve arrangement for a production pipe |
| 12/18/2013 | CN103459768A Hydrocarbon processing by using radiofrequency electromagnetic waves |
| 12/18/2013 | CN103459767A Apparatus and method for completing wells using slurry containing a shape-memory material particles |
| 12/18/2013 | CN103459322A Compact evaporator for modular portable SAGD process |
| 12/18/2013 | CN103457444A Frequency converter and underground frequency-conversion exploration and exploitation system |
| 12/18/2013 | CN103453052A Safety disc brake system for long stroke pumping unit |
| 12/18/2013 | CN103452835A Separate-layer oil extraction device capable of controlling flowing pressures of upper and lower pay zones |
| 12/18/2013 | CN103452820A Anti-sand and anti-gas lock pump for coal-bed gas mechanical on/off valve |
| 12/18/2013 | CN103452553A Multifunctional oil-gas well casing gas-liquid separating, filtering and drying device |
| 12/18/2013 | CN103452550A Viscosity reducing effect evaluation method and device of heavy oil viscosity reducer under stratum seepage condition |
| 12/18/2013 | CN103452549A Experimental facility and experimental method for steam erosion of argillaceous intercalation rock |
| 12/18/2013 | CN103452548A Experimental facility and experimental method for evaluating steam reforming feature of reservoir rock |
| 12/18/2013 | CN103452543A Fractured horizontal well pattern model and method for manufacturing same |
| 12/18/2013 | CN103452542A Switchable fracturing sliding sleeve |
| 12/18/2013 | CN103452541A Edge-bottom water heavy oil reservoir steam-drive two-dimensional proportion physical simulation device and application method thereof |
| 12/18/2013 | CN103452540A Edge water heavy oil reservoir steam-drive two-dimensional proportion physical simulation device and application method thereof |
| 12/18/2013 | CN103452539A Pure oxygen and diesel combined heat carrier generator system |
| 12/18/2013 | CN103452538A Pure oxygen and natural gas combined heat carrier generator system |
| 12/18/2013 | CN103452537A High-temperature high-pressure combustion structure of pure oxygen combined heat carrier generator |
| 12/18/2013 | CN103452536A Inflow control device having externally configurable flow ports |
| 12/18/2013 | CN103452535A Positioning perforator with sabot blocks for oil-gas wells |
| 12/18/2013 | CN103452534A Composite sand-preventing sieve pipe |
| 12/18/2013 | CN103452533A Visual simulation test device for horizontal well gravel packing |
| 12/18/2013 | CN103452532A Direct-driven high-efficiency oil pumping unit |
| 12/18/2013 | CN103452531A Method for underbalanced tubing descending, non-well-killing gas lifting, rotary pumping, pump maintaining and tubing maintaining |
| 12/18/2013 | CN103452530A Steel wire rope fastening mounting seat of wheel type pumping unit |
| 12/18/2013 | CN103452529A Electric oil production pump assembly for same-well pumping and injection process |
| 12/18/2013 | CN103452497A Tubing head of drilling equipment for offshore oil field |
| 12/18/2013 | CN103452496A Injection-production integrated automatic switching production joint for thick oil thermal production well |
| 12/18/2013 | CN103450929A SAGD produced liquid oil-water rapid separation and super thick oil long-distance convey method |
| 12/18/2013 | CN102635394B Gas, water and coal separation device of coal-mine gas spray hole |
| 12/18/2013 | CN102071933B Method and device for sampling produced fluid of oil reservoir for microbial flooding |
| 12/18/2013 | CN102041978B Rod hiding type oil pumping unit |
| 12/18/2013 | CN101638980B Full-balance hydraulic transmission oil sucking machine |
| 12/17/2013 | US8608249 In situ thermal processing of an oil shale formation |
| 12/17/2013 | US8607884 Processes of recovering reserves with steam and carbon dioxide injection |
| 12/17/2013 | US8607880 Gas lift plunger acceleration arrangement |
| 12/17/2013 | US8607878 System and method for cathodic protection of a subsea well-assembly |
| 12/17/2013 | US8607877 Pumping module and system |
| 12/17/2013 | US8607875 Rotational wellbore test valve |
| 12/17/2013 | US8607870 Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
| 12/17/2013 | US8607869 Linear pressure reducer for regulating injection pressure in an enhanced oil recovery system |