51
Nick Baiton: Horizontal drilling method for hydrocarbon recovery. Jerry T Kearns, April 4, 1995: US05402851 (59 worldwide citation)

A method for recovering fluids such as crude oil, associated solution gas, formation water, injected water, natural gas and other gases, and natural gas liquids, from a hydrocarbon producing reservoir or formation in which fluids collected in one or more substantially horizontal wells are routed to ...


52
Manabu Yanou, Michio Kanno, Masaru Uehara, Masanori Itakura: Device and method for processing crude oil. Mitsubishi Rayon, Oblon Spivak McClelland Maier & Neustadt P C, October 29, 2002: US06471869 (59 worldwide citation)

A crude oil processing method is provided wherein a membrane module is immersed in the crude oil contained in a processing tank and the crude oil is pressurized or driven by gravity for gravitational filtration, thereby to pass through the membrane, with the dehydrated oil that has passed being take ...


53
Andiappan K S Murthy, Kundanbhai M Patel, Alex Y Bekker: Production of light hydrocarbons by treatment of heavy hydrocarbons with water. Allied Corporation, R C Stewart II, A M Doernberg, G H Fuchs, September 24, 1985: US04543177 (58 worldwide citation)

A process is disclosed for converting heavy hydrocarbons into light hydrocarbons which comprises contacting, in a first zone, a heavy hydrocarbon having an API gravity at 25.degree. C. of less than about 20, such as Boscan heavy crude oil and tar sand bitumen, with a liquid comprising water, in the ...


54
George B Arnold: Process for heating a fluid in a geothermal formation. Texaco, Thomas H Whaley, Carl G Ries, Walter D Hunter, December 6, 1977: US04060988 (58 worldwide citation)

An in situ heat exchange process for heating an organic fluid, which can be, for example, a normally liquid hydrocarbon having from 4 to 10 carbon atoms, in a geothermal reservoir formation penetrated by an injection well and a production well comprising injecting the said fluid into the formation v ...


55
Graham David James: Gas turbines and engines. Boc Group, October 5, 1983: GB2117053-A (57 worldwide citation)

The combustion chambers 30 of gas turbine units 6(a) to 6(c) (or equivalent piston engines) are supplied with fuel gas via pipe 26 and in order to compensate for a substantial decline in the calorific value of the fuel gas over a period of time, commercially pure oxygen or oxygen-enriched air is sup ...


56
Donald F Best, Gary N Long, Regis J Pellet, Jule A Rabo, Edward T Wolynic, Frank P Gortsema, Albert R Springer: Hydrocracking catalyst and hydrocracking process. UOP, Vincent J Vasta Jr, January 30, 1990: US04897178 (55 worldwide citation)

A process for hydrocracking a crude oil feed, a hydrocracking catalyst employed therein, and a process for the preparation of this catalyst are disclosed. The hydrocracking catalyst comprises a zeolitic aluminosilicate which has an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 6 and which has ...


57
Eugene T Premuzic, Mow Lin: Process for producing modified microorganisms for oil treatment at high temperatures, pressures and salinity. Associated Universities, Margaret C Bogosian, February 20, 1996: US05492828 (55 worldwide citation)

This invention relates to the preparation of new, modified organisms, through challenge growth processes, that are viable in the extreme temperature, pressure and pH conditions and salt concentrations of an oil reservoir and that are suitable for use in microbial enhanced oil recovery. The modified ...


58
Nathan H Canter, Max L Robbins, Edward G Baker: Oil recovery process using polymer microemulsion complexes. Exxon Research and Engineering Co, James H Takemoto, November 23, 1982: US04360061 (54 worldwide citation)

A process for the enhanced recovery of oil from a subterranean formation using a polymer-microemulsion complex is disclosed. The polymer is polyethylene oxide or polyvinyl pyrrolidone and interacts with the surfactant of the microemulsion to form a physical association. The resulting complex is char ...


59
Magdalena M Ramirez de Aqudelo, Carmen E Galarraga: Catalytic system for the hydroconversion of heavy oils. Intevep, Bachman & LaPointe, June 26, 1990: US04937218 (54 worldwide citation)

The present invention relates to a process for the hydroconversion of heavy crude oil and an improved regenerable catalyst for use therein. The process broadly comprises (a) introducing into a hydroconversion reaction zone a feedstock of crude oil, hydrogen, from about 10 to about 1000 wppm of an ac ...


60
Robert R Dean, Jean L Mauleon, Robert J Newman: Method and means for preparing and dispersing atomed hydrocarbon with fluid catalyst particles in a reactor zone. Carl D Farnsworth, January 24, 1984: US04427537 (54 worldwide citation)

The invention described is concerned with atomizing an oil fraction of crude oil to provide a fog of oil droplets in diluent gaseous material which is sprayed into an upwardly flowing annular dense mass of catalyst particles to form a high temperature suspension therewith and conveyed through a rise ...



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