51
Liu Diankui, He Benyuan, Cui Yongqiang: Oil submersible pump. Institut of Engineering Thermophysics of Chinese Academy of Sciences, Antonelli Terry & Wands, September 12, 1989: US04865519 (6 worldwide citation)

A multi-stage centrifugal pump mainly used for oil extraction, which incls two essential components, namely, a rotational impeller comprising several blades and a stationary diffuser. The shapes of blades and flow passages are designed by using three-dimensional flow theory. The configuration is cha ...


52
Colesan Fritz Dipl Ing, Langenbrinck Hans Dipl Ing: Device and process for producing vegetable oil from olives or similar oil holding fruits. Flottweg, December 13, 1995: EP0686353-A1 (6 worldwide citation)

Olives and similar fruit are processed in this plant. It has, in series: cleaning, size reduction, a mill, a mixer, at least one oil extractor and/or de-watering stage for pulp (5) removed from the mixer (4). The oil extractor is a continuously working band press, pref. a sieve band press (25). This ...


53
Rapanelli Ezio: Centrifuge for oil extraction from oily slurries working without addition of drinkable water.. Rapanelli Fioravante, December 15, 1993: EP0574364-A1 (6 worldwide citation)

Horizontal centrifuge comprising a drum (1), a helicoid screw (2, 2a) coaxial to the drum (1) and arranged inside the latter, two closure heads (14, 15) located at the ends of the drum (1) and provided with nozzles (4, 6) for discharging to the outside oil and water/solid remainders respectively and ...


54
Galletti Alfonso: A skimming device for oil-extraction equipment for tanks of coolant fluids with oil in suspension.. Gi Pi, March 6, 1991: EP0415121-A1 (6 worldwide citation)

A skimming device (14) for oil-extraction equipment for tanks (3) of coolant liquids with oil in suspension. comprising a support (15) carrying a hollow cylindrical body of adjustable height (20) on which a float member (23) is slidable axially, the float member having an upper wall (24) which commu ...


55
Dean Blankenburg, Clayton Lepak, Dave Parkinson: Oil extraction method and composition for use in the method. Hydrite Chemical Co, Quarles & Brady, July 28, 2015: US09090851 (5 worldwide citation)

A composition is disclosed for aiding extraction of an emulsified oil from an oil and water emulsion. The composition includes silicon containing particles at a level of 0.1 wt. % to 30 wt. %; an emulsifying agent at a level of 1 wt. % to 30 wt. %; and water at a level of 40 wt. % to 99 wt. %. A met ...


56
Seyi A Odueyungbo: Thermal treatment system for spent hydroprocessing catalyst. Chevron U, Steven R Ellinwood, June 25, 2013: US08470252 (5 worldwide citation)

A process to upgrade heavy oil and convert the heavy oil into lower boiling hydrocarbon products is provided. The process employs a catalyst slurry comprising catalyst particles with an average particle size ranging from 1 to 20 microns. In the upgrade process, spent slurry catalyst in heavy oil is ...


57
Michael B Davis, John J Dugan, James D Eagan, Adrianus Welmers: Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery. Exxon Research and Engineering Company, Joseph J Allocca, James H Takemoto, May 27, 1997: US05632867 (5 worldwide citation)

In a solvent recovery plant including a recovery or distillation tower from which solvent product is recovered overhead, an isothermal separator, preferably a cyclone, is used to separate liquid phase contaminant (i.e. oil in a lubricating oil extraction process) in overhead product and to feed the ...


58
Richard D Kuerston, Ronald E Brown: Crude oil processing apparatus for heavy oil extraction. Phillips Petroleum Company, Laney Dougherty Hessin & Beavers, February 23, 1993: US05188709 (5 worldwide citation)

The present invention provides an apparatus for preparing and treating a heavy oil extraction solvent. A solvent fraction is separated from a crude oil and combined with a slip stream of rerun solvent taken from an extraction process solvent recycle system. The solvent fraction and rerun solvent are ...


59
Maurice R Commanday: Apparatus and method to control extraction of lubricating oil. William W Haefliger, December 11, 1990: US04976235 (5 worldwide citation)

An apparatus for extracting lubricating oil from an engine crankcase sump via an oil level dipstick tube associated with the engine and extending to near the bottom of the sump, comprising an oil extraction tube extending downwardly in the dipstick tube for extracting oil from the sump; means sealin ...


60
Steve Conquorgood, Lowy Gunnewiek, Bob Reid, Emil Nenniger, John Nenniger: Method and apparatus for testing heavy oil production processes. N SOLV Corporation, Vidas Arrett & Steinkraus P A, April 7, 2009: US07514041 (5 worldwide citation)

There is disclosed a method of testing oil extraction processes including the steps of: 1) placing a sample to be tested in a sample holder which has a configurable temperature profile; 2) placing the sample holder in a pressure vessel; 3) increasing the pressure in the pressure vessel to simulate a ...



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