11
William H Silcox: Subsea energy power supply. Chevron Research Company, Ralph L Freeland Jr, Edward J Keeling, William J Egan III, June 20, 1978: US04095421 (64 worldwide citation)

A negative energy power supply which operates submerged equipment like a hydraulic actuator. A main component of the system is a submerged chamber held at substantially atmospheric pressure. It is connected to submerged equipment having intake and discharge ports controllable by remotely operated va ...


12
Jitendra M Avasthi: Method to create parallel vertical fractures in inclined wellbores. Chevron Research Company, Edward J Keeling, Robert D Touslee, December 18, 1990: US04977961 (60 worldwide citation)

A technique is disclosed for creating parallel vertical fractures from a horizontal or inclined wellbore. Magnitude and orientation of in situ stresses within the formation are determined, and a wellbore is drilled in the direction of the minimum horizontal in situ stress. The wellbore casing is the ...


13
Ralph Simon, Raymond L Schmidt: Apparatus for physical properties measurements at high temperatures and pressures. Chevron Research Company, G W Wasson, Edward J Keeling, Lewis S Gruber, January 17, 1984: US04425810 (49 worldwide citation)

An apparatus is disclosed for measuring physical properties of a sample material at controllable temperatures and pressures. The apparatus includes a sample cell for holding fluid and/or solid samples. The cell includes at least one optically transparent window permitting visual and electromagnetic ...


14
Bibhas R De, Paul L Donoho, David E Revus, Russell E Boyer: Microwave system for monitoring water content in a petroleum pipeline. Chevron Research Company, Edward J Keeling, February 20, 1990: US04902961 (39 worldwide citation)

A method and apparatus for determining the water content of crude oil in a pipeline is disclosed. The device consists of S-band tarnsmitting and receiving antennas, and X-band transmitting and receiving antennas. These are used to determine the complex dielectric constant of the fluid in a pipeline. ...


15
S O Hutchison: Concentric insulated tubing string. Chevron Research Company, G W Wasson, Edward J Keeling, L S Gruber, October 16, 1984: US04477106 (39 worldwide citation)

An improved insulated tubing string with insulated coupling formed of concentric tubing members insulated from each other to prevent heat from the inner tubing from being conducted to and through the outer tubing. The coupling joins the outer tubing of successive tubing assemblies to provide additio ...


16
David K Anderson, Marvin A Stewart: Apparatus for separating oil-water mixtures. Chevron Research Company, R L Freeland Jr, Edward J Keeling, December 20, 1977: US04064054 (38 worldwide citation)

A wash tank is provided for separating an oil-water mixture and utilizes a plurality of baffle sections to assist in separating oil and water. The baffle sections include solid perpendicular portions and sloping perforated portions arranged in a special configuration within the tank.


17
S O Hutchison: Concentric insulated tubing string. Chevron Research Company, G W Wasson, L S Gruber, Edward J Keeling, July 17, 1984: US04459731 (37 worldwide citation)

An improved insulated tubing string with insulated coupling formed of concentric tubing members insulated from each other to prevent heat from the inner tubing from being conducted to and through the outer tubing. The coupling joins the outer tubing of successive tubing assemblies to provide additio ...


18
John E Hodson, Michael D Chalmers: Method of separating oil, water, sand, and gas from produced fluids. Chevron Research Company, Edward J Keeling, August 14, 1990: US04948393 (37 worldwide citation)

The invention deals with separating production fluids into separate components of oil, water, sand and gas in first and second stage separators. Preheating of the production fluid prior to entry into the first stage separator is partially accomplished by direct mixing with hot processed water taken ...


19
David K Anderson, Marvin A Stewart: Slotted baffle for use in separating oil-water mixtures. Chevron Research Company, R L Freeland Jr, Edward J Keeling, January 2, 1979: US04132652 (35 worldwide citation)

An improved baffle for use in an oil-water separation tank including a perpendicular solid portion and an inclined slotted portion extending downwardly and inwardly in the direction of flow from the lower edge of the perpendicular solid portion, the slotted portion having at least three rows of down ...


20
Ki C Hong, Suzanne Griston, Joseph W Ault: Limited entry method for multiple zone, compressible fluid injection. Chevron Research Company, J A Rafter Jr, Edward J Keeling, February 3, 1987: US04640355 (34 worldwide citation)

The present invention is a method and apparatus for injecting compressible fluids into multiple zones of a hydrocarbon bearing formation, in particular injecting compressible fluid at a predetermined, constant rate into multiple zones through a single tubing string. Producing zones are packed off an ...