61
Guido Sartori, David William Savage, William Neergaard Olmstead, Winston Karl Robbins, David Craig Dalrymple, Bruce Henry Ballinger: Process for treatment of petroleum acids with ammonia. Exxon Research and Engineering Company, Linda M Scuorzo, July 10, 2001: US06258258 (48 worldwide citation)

The present invention is a process for decreasing the acidity of a starting acidic crude oil by contacting an acidic crude with an effective excess of ammonia dissolved in said crude to form an ammonia-continuous oil discontinuous phase at a temperature and conditions sufficient to form the correspo ...


62
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 ...


63
Eugene T Premuzic, Mow Lin: Biochemically enhanced oil recovery and oil treatment. Associated Universities, Margaret C Bogosian, March 29, 1994: US05297625 (48 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 ...


64
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 (48 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 ...


65
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 ...


66
Armin Sowa, German Munding: Method and apparatus for extracting crude oil from previously tapped deposits. Messerschmitt Bolkow Blohm, McGlew and Tuttle, September 30, 1980: US04224991 (47 worldwide citation)

A device for extracting crude oil out of an extraction bore of a previously tapped deposit, comprises, a combustion chamber having at least one reaction chamber portion and an evaporation chamber portion arranged in axial relationship with a constricted nozzle portion therebetween. Advantageously, a ...


67
Lyle D Atkins: Process and apparatus for the destructive distillation of waste material. Wallace Atkins Oil Corporation, Bard Springs Jackson & Groves, July 26, 1977: US04038152 (47 worldwide citation)

An apparatus is provided for the destructive distillation of organic waste materials. An insulated sealed distillator compartment is provided having a plurality of conveyor stages for transporting the waste material through the sealed compartment while subjecting the material to a plurality of incre ...


68
Kenneth L Trachte, Jacob B Angelo, Keith K Aldous: Catalytic reduction of acidity of crude oils in the absence of hydrogen. Exxon Research and Engineering Company, James H Takemoto, February 16, 1999: US05871636 (46 worldwide citation)

A process for reducing the acidity of acidic crude oils by contacting the crude oil with a hydrotreating catalyst in the absence of hydrogen.


69
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, July 27, 1999: US05928502 (46 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 ...


70
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 (45 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 ...



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