| 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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| 10/02/2013 | CN101037937B Carbon dioxide enriched flue gas injection for hydrocarbon recovery |
| 10/01/2013 | US8545935 On-the-fly coating of acid-releasing degradable material onto a particulate |
| 10/01/2013 | US8544563 Oil well perforators |
| 10/01/2013 | US8544555 Method and apparatus for utilizing a catalyst occurring naturally in an oil field |
| 10/01/2013 | US8544547 FRAC system split ring device |
| 10/01/2013 | US8544546 Delivering water-soluble polysaccharides for well treatments |
| 10/01/2013 | US8544545 Combustion thermal generator and systems and methods for enhanced oil recovery |
| 10/01/2013 | US8544544 Forming oriented fissures in a subterranean target zone |
| 10/01/2013 | US8544542 Method for signalling a downhole device in a well |
| 10/01/2013 | US8544540 Well jet device for logging and developing horizontal wells with abnormally low formation pressure |
| 10/01/2013 | CA2754255C Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high ph |
| 10/01/2013 | CA2740458C Variable flow resistance system for use in a subterranean well |
| 10/01/2013 | CA2693640C Solvent separation in a solvent-dominated recovery process |
| 10/01/2013 | CA2667695C Debris removal apparatus for a pump and method |
| 10/01/2013 | CA2654848C Modular wellpad construction system |
| 10/01/2013 | CA2626892C Improved slurrified heavy oil recovery process |
| 09/30/2013 | CA2810730A1 Post-conditioning oil sand slurry blending for improved extraction performance |
| 09/30/2013 | CA2808942A1 System and method for producing carbon dioxide |
| 09/30/2013 | CA2773019A1 Method and apparatus for preparing fracturing fluids |
| 09/29/2013 | CA2773171A1 Climatic protection of fracking hydro tanks |
| 09/26/2013 | WO2013142851A1 System, apparatus and method for abrasive jet fluid cutting |
| 09/26/2013 | WO2013142769A1 Method for recovering hydrocarbon fluids from a hydraulic fracturing process |
| 09/26/2013 | WO2013142619A1 Dispersion of compounds for the stimulation of biogenic gas generation in deposits of carbonaceous material |
| 09/26/2013 | WO2013142601A1 Ultra low concentration surfactant flooding |
| 09/26/2013 | WO2013142543A2 Method for forming a hydrobarbon resource rf radiator |
| 09/26/2013 | WO2013142242A1 Methods and systems for downhole thermal energy for vertical wellbores |
| 09/26/2013 | WO2013141867A1 Nono-particle reinforced well screen |
| 09/26/2013 | WO2013141735A1 Oil well unit (alternatives) |
| 09/26/2013 | WO2013140239A1 Drilling system failure risk analysis method |
| 09/26/2013 | WO2013022570A3 Methods for monitoring fluids within or produced from a subterranean formation during acidizing operations using opticoanalytical devices |
| 09/26/2013 | WO2013022551A3 Wellbore pressure control device |
| 09/26/2013 | WO2012149094A3 Apparatus and methods for establishing and/or maintaining controlled flow of hydrocarbons during subsea operations |
| 09/26/2013 | WO2012145348A3 Electrical submersible pump with reciprocating linear motor |
| 09/26/2013 | WO2012127229A3 Apparatus and method for securing and sealing a tubular portion to another tubular |
| 09/26/2013 | WO2011075242A9 Kinetic gas hydrate inhibitors in completion fluids |
| 09/26/2013 | US20130249272 Solution mining and a crystallizer for use therein |
| 09/26/2013 | US20130248465 Return Fluid Separator |
| 09/26/2013 | US20130248201 Method and apparatus for actuating a downhole tool |
| 09/26/2013 | US20130248192 Multizone and zone-by-zone abrasive jetting tools and methods for fracturing subterranean formations |
| 09/26/2013 | US20130248191 Methods of forming high-porosity fractures in weakly consolidated or unconsolidated formations |
| 09/26/2013 | US20130248190 System and Method for Controlling Flow through a Pipe using a Finger Valve |
| 09/26/2013 | US20130248189 System and Method for Fracturing of Oil and Gas Wells |
| 09/26/2013 | US20130248188 In-situ self diverting wag process |
| 09/26/2013 | US20130248185 Method for forming a hydrocarbon resource rf radiator |
| 09/26/2013 | US20130248184 Shock Load Mitigation in a Downhole Perforation Tool Assembly |
| 09/26/2013 | US20130248179 Packer For Alternate Flow Channel Gravel Packing and Method For Completing A Wellbore |
| 09/26/2013 | US20130248177 Sagdox geometry for impaired bitumen reservoirs |
| 09/26/2013 | US20130248176 Ultra low concentration surfactant flooding |
| 09/26/2013 | US20130248175 Method for recovering hydrocarbon fluids using a hydraulic fracturing process |
| 09/26/2013 | US20130248174 Autonomous Downhole Conveyance System |
| 09/26/2013 | US20130248172 Communications Module For Alternate Path Gravel Packing, And Method For Completing A Wellbore |
| 09/26/2013 | US20130248171 Subsea multiple annulus sensor |
| 09/26/2013 | US20130248170 Methods of stimulating acetoclastic methanogenesis in subterranean deposits of carbonaceous material |
| 09/26/2013 | US20130248169 Environmentally Powered Transmitter for Location Identification of Wellbores |
| 09/26/2013 | DE112011103518T5 Systeme und Verfahren zur Isolierung von Sternpunkten von Drehstrommotoren Systems and methods for the isolation of the neutral points of three-phase motors |
| 09/25/2013 | EP2642066A1 Downhole detection system |
| 09/25/2013 | EP2640930A1 Kobe sub, wellbore tubing string apparatus and method |
| 09/25/2013 | EP2640928A2 Downhole method and apparatus for use in conditioning drilled bores |
| 09/25/2013 | EP2640923A1 Tower for exploiting fluid in an expanse of water and associated installation method |
| 09/25/2013 | EP2640803A2 Foamers for downhole injection |
| 09/25/2013 | CN203214045U Skid mounted type device for metering yield of oil well |
| 09/25/2013 | CN203214039U Multifunctional oil well treatment device for oil fields |
| 09/25/2013 | CN203214038U Long-acting degassing sand-prevention device suitable for 7-inch casing pipe production well |
| 09/25/2013 | CN203214037U Cyclone desander preventing oil well sand production |
| 09/25/2013 | CN203214036U Single well metering device for oil well |
| 09/25/2013 | CN203214035U Crude oil sand content analysis device |
| 09/25/2013 | CN203214034U Thickened oil thermal recovery horizontal well three-dimensional physical simulation petroleum deposit well pattern |
| 09/25/2013 | CN203214033U Batting sliding sleeve with buffering backstop device |
| 09/25/2013 | CN203214032U Frequency conversion oil casing heating system |
| 09/25/2013 | CN203214031U Device for distributing, regulating and controlling and metering flow and dryness of wet steam on ground surface of oil field |
| 09/25/2013 | CN203214030U Two-division type steam injection equal dryness dispensing device for oil field |
| 09/25/2013 | CN203214029U Density-adjustable foam generator |
| 09/25/2013 | CN203214028U Device for regulating and controlling flow of wet steam on ground surface of oil field |
| 09/25/2013 | CN203214027U Flow regulator for oil field water injection |
| 09/25/2013 | CN203214026U Experimental simulation device for CO2/N2 displacement exploitation of natural gas hydrate in cryolithozone |
| 09/25/2013 | CN203214025U Layered oil extraction pipe string |
| 09/25/2013 | CN203214024U Turning compensation device of horizontal well sand-prevention pipe |
| 09/25/2013 | CN203214023U Reusable sand preventing pipe |
| 09/25/2013 | CN203214022U Sliding sleeve opening and closing tool |
| 09/25/2013 | CN203214021U Variable stroke belt pumping unit |
| 09/25/2013 | CN203214020U Long-acting degassing sand-prevention device suitable for 5.5-inch casing pipe production well |
| 09/25/2013 | CN203214019U Hydraulic load unloading device of pumping unit |
| 09/25/2013 | CN203214018U Driving rod auxiliary power energy-saving pumping unit |
| 09/25/2013 | CN203214017U Shutdown located energy-saving oil pumping unit |
| 09/25/2013 | CN203214016U Plunger lifting system |
| 09/25/2013 | CN203214015U Lifting chain adjustment balance weight beam structure |
| 09/25/2013 | CN203214014U Automatic balancing walking beam type oil pumping unit |
| 09/25/2013 | CN203213995U Wellhead equipment for steam injection and oil production |
| 09/25/2013 | CN203208924U High-pressure water distribution mother liquor metering and mixing device |
| 09/25/2013 | CN103328766A Methods to enhance the productivity of a well |
| 09/25/2013 | CN103328765A Methods to create high conductivity fractures that connect hydraulic fracture networks in a well |
| 09/25/2013 | CN103328764A Boron shaped charge |
| 09/25/2013 | CN103328763A Sand control screen assembly having a compliant drainage layer |
| 09/25/2013 | CN103328759A Dual rotational and axial load pick-up element |
| 09/25/2013 | CN103328603A Methods for treating siliciclastic hydrocarbon-bearing formations with fluorinated amine oxides |
| 09/25/2013 | CN103328060A Coalescencer separator for a mixture of immiscible phases with different specific density |
| 09/25/2013 | CN103321669A Method for increasing permeability of low-permeability coal seam by means of deep-hole directional pre-splitting blasting |
| 09/25/2013 | CN103321628A Electric intelligent switching sliding sleeve |
| 09/25/2013 | CN103321627A Fracturing pulse sand filling system with ultrahigh flow conductivity and method for operating fracturing pulse sand filling system |
| 09/25/2013 | CN103321626A Fracture and sand prevention integrated completion pipe string and application method thereof |