61
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 ...


62
Iulius M Cucuiat, Vasile V Popp: Desulfurization process and installation for hydrocarbon reservoir fluids produced by wells. Institutul de Cercetari Si Proiectari Pentru Petrol Si Gaze, Karl F Ross, October 16, 1979: US04171349 (54 worldwide citation)

Hydrogen sulfide is removed from a three-phase mixture of crude oil, natural gas, and water as it issues as a stream from an oil well by first adding liquid sulfur dioxide to the stream without substantially changing its temperature or pressure and then turbulencing the stream to react most of the h ...


63
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 ...


64
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 ...


65
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 (52 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 ...


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 (52 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
Paul E Titus: Method for reducing the adherence of crude oil to sucker rods. Shell Oil Company, August 2, 1977: US04039717 (49 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 ...


68
Eugene T Premuzic, Mow Lin: Biochemically enhanced oil recovery and oil treatment. Associated Universities, Margaret C Bogosian, March 29, 1994: US05297625 (49 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 ...


69
Juha Jakkula, Pekka Aalto, Vesa Niemi, Ulla Kiiski, Jouko Nikkonen, Seppo Mikkonen, Outi Piirainen: Fuel composition for a diesel engine. Fortum Oyj, Birch Stewart Kolasch Birch, October 9, 2007: US07279018 (48 worldwide citation)

The invention is directed to a fuel composition for diesel engines. The fuel composition comprises 0.1-99% by weight of a component or a mixture of components produced from biological raw material originating from plants and/or animals and/or fish. The fuel composition comprises 0-20% of components ...


70
Roby Bearden, Saul Charles Blum, William Neergaard Olmstead: Process for reducing total acid number of crude oil. Exxon Research and Engineering Co, E C Bakun, June 22, 1999: US05914030 (47 worldwide citation)

The invention comprises a method for reducing the amount of carboxylic acids in petroleum feeds comprising the steps of (a) adding to said petroleum feed a catalytic agent comprising an oil soluble or oil dispersible compound of a metal selected from the group consisting of Group VB, VIB, VIIB and V ...