| 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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| 01/28/2014 | US8636071 System, method and apparatus for enhancing wellbore treatment fluid flexibility |
| 01/28/2014 | US8636070 System and method for producing high pressure foam slurry |
| 01/28/2014 | US8636069 Wellbore servicing fluid compositions and use thereof |
| 01/28/2014 | US8636066 Method of enhancing productivity of a formation with unhydrated borated galactomannan gum |
| 01/28/2014 | US8636065 Heterogeneous proppant placement in a fracture with removable channelant fill |
| 01/28/2014 | US8635907 Real-time completion monitoring with acoustic waves |
| 01/28/2014 | CA2732979C Multi-phase conductor shoe for use with electrical submersible pump |
| 01/28/2014 | CA2629918C Viscoelastic surfactant rheology modification |
| 01/27/2014 | CA2784238A1 Method of increasing efficiency of a y strainer and a y strainer |
| 01/26/2014 | CA2783980A1 Method for hydraulically fracturing a subterranean reservoir |
| 01/25/2014 | CA2820821A1 Method and apparatus for hydraulic fracturing |
| 01/23/2014 | WO2014015307A1 Carbon dioxide-based geothermal energy generation systems and methods related thereto |
| 01/23/2014 | WO2014015230A2 System and method employing perforating gun for same location multiple reservoir penetrations |
| 01/23/2014 | WO2014014651A1 System and method for sand and inflow control |
| 01/23/2014 | WO2014014633A1 Use of expandable self-removing filler material in fracturing operations |
| 01/23/2014 | WO2014014629A1 Sacrificial plug for use with a well screen assembly |
| 01/23/2014 | WO2014014591A1 Disintegrable deformation tool |
| 01/23/2014 | WO2014014552A2 Flow control system with interchangeable actuators |
| 01/23/2014 | WO2014014390A2 Method for developing deposits and extracting oil and gas from shale formations |
| 01/23/2014 | WO2014014356A1 Subsea leak-detection system |
| 01/23/2014 | WO2013178295A9 Apparatus and method for controlling pressure in a borehole |
| 01/23/2014 | US20140025360 Flow profiling of wells from multiple logs |
| 01/23/2014 | US20140020913 Recovery of oil sands bitumen |
| 01/23/2014 | US20140020909 Flow control system with interchangeable actuators |
| 01/23/2014 | US20140020907 Fixed wet connection system for an electrical submersible pump |
| 01/23/2014 | US20140020901 High pressure isolation system for well stimulation through production tubing |
| 01/23/2014 | US20140020900 Adjustable isolation sleeve assembly for well stimulation through production tubing |
| 01/23/2014 | US20140020899 Flooding operations employing chlorine dioxide |
| 01/23/2014 | US20140020898 Sacrificial Plug for Use With a Well Screen Assembly |
| 01/23/2014 | US20140020897 Method and Apparatus for Selective Down Hole Fluid Communication |
| 01/23/2014 | US20140020896 System and method employing perforating gun for same location multiple reservoir penetrations |
| 01/23/2014 | US20140020893 Use of Expandable Self-Removing Filler Material in Fracturing Operations |
| 01/23/2014 | US20140020892 Proppant discharge system and a container for use in such a proppant discharge system |
| 01/23/2014 | US20140020891 Water injection method for assisting in recovery of heavy oil |
| 01/23/2014 | US20140020775 Manifold battery for hydrocarbon fields |
| 01/22/2014 | EP2686519A2 Electrical and static fracturing of a reservoir |
| 01/22/2014 | EP2686518A2 Electrical reservoir fracturing |
| 01/22/2014 | EP2686517A2 Systems and methods for separating oil and/or gas mixtures |
| 01/22/2014 | CN203404448U Multipurpose three-inlet spiral-flow type flow control device |
| 01/22/2014 | CN203403873U Oil-gas-water?heating four-in-one processing device |
| 01/22/2014 | CN203403872U Multistage fracturing well completion sliding sleeve device |
| 01/22/2014 | CN203403871U Joint of gas collecting and measuring device |
| 01/22/2014 | CN203403870U Skid-mounted integrated process device of coalbed methane production well |
| 01/22/2014 | CN203403869U Balance adjusting device of pumping unit |
| 01/22/2014 | CN203403868U Heavy oil well double-jet-pump lifting pipe string |
| 01/22/2014 | CN203403867U Single-gear intelligent balance type oil pumping machine |
| 01/22/2014 | CN203403866U Integrated oil production technology tubular column |
| 01/22/2014 | CN203403865U Balanced energy-saving hydraulic oil pumping unit |
| 01/22/2014 | CN203403861U Oil field three-time oil production single-well injection proportion blending device |
| 01/22/2014 | CN203403859U Large-pressure-difference double-floating anti-creep packer |
| 01/22/2014 | CN203403857U Self-supporting fracturing packer |
| 01/22/2014 | CN103534437A Window joint for lateral wellbore construction and method for opening same |
| 01/22/2014 | CN103534436A Autonomous downhole conveyance system |
| 01/22/2014 | CN103534435A Method and system for protecting a conduit in an annular space around a well casing |
| 01/22/2014 | CN103527711A Belt end self-tightening device |
| 01/22/2014 | CN103527679A Encircling brake device for pumping units |
| 01/22/2014 | CN103527454A Blocking type blowout-control oil well pump |
| 01/22/2014 | CN103527314A Multistage compression energy-saving utilization technology of overall fuel gas type natural gas compressor |
| 01/22/2014 | CN103527313A Method for improving compression efficiency of overall fuel gas type natural gas compressor |
| 01/22/2014 | CN103527185A Horizontal-well physical simulation experiment device and experimental method thereof |
| 01/22/2014 | CN103527182A Experimental device for steam assisted gravity drainage driving vertical differentiation of heavy oil |
| 01/22/2014 | CN103527180A System for collecting in-situ stress measurement data by using hydraulic fracturing |
| 01/22/2014 | CN103527176A Stereoscopic development three-dimensional experimental device of heavy oil reservoir |
| 01/22/2014 | CN103527175A Test system of sand control screen |
| 01/22/2014 | CN103527174A Test system of sand control screen |
| 01/22/2014 | CN103527165A Downhole three-phase separating device |
| 01/22/2014 | CN103527164A Water-gas separating and treating device |
| 01/22/2014 | CN103527163A Tight reservoir horizontal well volume fracturing process |
| 01/22/2014 | CN103527162A Steam generator used for thickened oil exploitation |
| 01/22/2014 | CN103527161A Thermal recovery horizontal well water shut-off and profile control method |
| 01/22/2014 | CN103527160A Method for activating oil pool indigenous microorganisms to generate bio-emulsifier |
| 01/22/2014 | CN103527159A Prearranged downhole throttling device |
| 01/22/2014 | CN103527158A Nickel-tungsten-based alloy coating screen pipe for high-salinity oil-gas well containing hydrogen sulfide and carbon dioxide |
| 01/22/2014 | CN103527157A Wear-proof petroleum screen pipe |
| 01/22/2014 | CN103527156A Energy-saving oil pumping unit |
| 01/22/2014 | CN103527155A Adjusting device for stop position of beam-pumping unit |
| 01/22/2014 | CN103527154A Length adjusting device for hair braid of beam-pumping unit |
| 01/22/2014 | CN103527153A Non-circular gear up-down stroke automatic reversing pumping unit |
| 01/22/2014 | CN103527152A Liquid drainage system |
| 01/22/2014 | CN103527151A Power transmission system of beam-pumping unit |
| 01/22/2014 | CN103527150A Pumping unit |
| 01/22/2014 | CN103527149A Pumping unit |
| 01/22/2014 | CN103527148A Technology and device for controlling pressure in layered mode and discharging and extracting oil in layer combined mode through double bushes and single pump |
| 01/22/2014 | CN103527143A Pitching type fracturing valve |
| 01/22/2014 | CN103527111A Casing compensator |
| 01/22/2014 | CN103527106A Separate layer fracturing string |
| 01/22/2014 | CN103525390A Fatty acid mixture amide propyl betaine compound and application |
| 01/22/2014 | CN102121370B Skid-mounted bradenhead gas four-tower separation recovery device and method thereof |
| 01/22/2014 | CN101821476B Flow restriction device |
| 01/21/2014 | US8631877 Apparatus and methods for inflow control |
| 01/21/2014 | US8631875 Insert gas lift injection assembly for retrofitting string for alternative injection location |
| 01/21/2014 | US8631872 Complex fracturing using a straddle packer in a horizontal wellbore |
| 01/21/2014 | US8631871 System and method for enhanced oil recovery with a once-through steam generator |
| 01/21/2014 | US8631869 Methods useful for controlling fluid loss in subterranean treatments |
| 01/21/2014 | US8631868 Treatment of subterranean formations |
| 01/21/2014 | US8631866 Leak detection in circulated fluid systems for heating subsurface formations |
| 01/21/2014 | US8631865 Biotechnological process for hydrocarbon recovery in low permeability porous media |
| 01/21/2014 | US8631863 Snap mount annular debris barrier |
| 01/21/2014 | CA2793231C Section mill and method for abandoning a wellbore |
| 01/21/2014 | CA2698757C Application of reservoir conditioning in petroleum reservoirs |