61
George Nitschke: Enhanced oil recovery system for use with a geopressured-geothermal conversion system. Lambert & Associates, Adam J Bruno, Gary E Lambert, December 7, 2010: US07845406 (54 worldwide citation)

A system and series of methods, which utilize Geopressured-Geothermal (GPGT) energy for the enhanced recovery of formation crude oil. The system is designed to interface with a conversion system which concentrates the GPGT brine while recovering H2O distillate and gas, e.g., as taught by Nitschke in ...


62
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 ...


63
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 ...


64
Jerald A Howell, Donald C Tabler, Donald M Haskell: Hydrovisbreaking process for hydrocarbon containing feed streams. Phillips Petroleum Company, French and Doescher, June 3, 1986: US04592830 (54 worldwide citation)

A hydrogen donor solvent selected from the group consisting of a full range crude oil and an atmospheric topped crude oil is used in a hydrovisbreaking process. The heavy fraction being processed is heated in the presence of hydrogen and the solvent under suitable hydrovisbreaking conditions. As a r ...


65
Knut Grande, Carsten Sorlie: Process for removing essentially naphthenic acids from a hydrocarbon oil. Den norske stats oljeseskap, Kirkpatrick & Lockhart, May 16, 2000: US06063266 (54 worldwide citation)

A process for removing essentially naphthenic acids from a crude oil which has not previously been fractionated by distillation, or from which only a naphtha fraction has been distilled. The crude oil is hydrogenated at 1-50 bars and 100-300.degree. C. over a catalyst of the kind used for hydrogenat ...


66
Nazim Muradov: Portable hydrogen generator-fuel cell apparatus. University of Central Florida, Brian S Steinberger, Law Offices of Brian S Steinberger P A, November 25, 2003: US06653005 (54 worldwide citation)

A compact hydrogen generator is coupled to or integrated with a fuel cell for portable power applications. Hydrogen is produced via thermocatalytic decomposition (cracking, pyrolysis) of hydrocarbon fuels in oxidant-free environment. The apparatus can utilize a variety of hydrocarbon fuels, includin ...


67
Donald H Powers: Olefin production utilizing whole crude oil. Equistar Chemicals, Roderick W MacDonald, June 1, 2004: US06743961 (53 worldwide citation)

A method for utilizing whole crude oil as a feedstock for the pyrolysis furnace of an olefin production plant wherein the feedstock after preheating is subjected to mild cracking conditions until substantially vaporized, the vapors from mild cracking being subjected to severe cracking in the radiant ...


68
Raymond S Kasevich: Method and apparatus for in-situ radiofrequency heating. JR Technologies, Occhiuti Rohlicek & Tsao, February 22, 2011: US07891421 (52 worldwide citation)

A radiofrequency reactor for use in thermally recovering oil and related materials includes a radiofrequency antenna configured to be positioned within a well, where the well is provided within an area in which crude oil exists in the ground. The radiofrequency antenna includes a cylindrically-shape ...


69
Paul E Titus: Method for reducing the adherence of crude oil to sucker rods. Shell Oil Company, August 2, 1977: US04039717 (50 worldwide citation)

A method for facilitating the removal or preventing the adherence of residual oil in oil tankers and other vessels or containers, on the surfaces of oil spill cleanup equipment such as skimmers and booms, and on sucker rods or other surfaces in oil wells, by coating surfaces contacting the oil with ...


70
Eugene T Premuzic, Mow Lin: Biochemically enhanced oil recovery and oil treatment. Associated Universities, Margaret C Bogosian, March 29, 1994: US05297625 (50 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 ...