111
Paul F Offermann: Methods and apparatus for detecting abnormalities in proximity effect heat-tracing circuits. Chevron Research Company, Edward J Keeling, January 14, 1986: US04564747 (8 worldwide citation)

Methods and apparatus for detecting abnormalities in proximity effect pipeline tracing circuits by coupling conductive elements carrying proximity effect circuit currents and having opposite polarities. These conductive elements are coupled to an additional conductive element which is in turn connec ...


112
Gary S Gassaway, William R Scott, Richard J Runge: Exploration system for enhancing the likelihood of predicting lithology of earth formations associated with deposits of ore, marker rock and/or economic minerals. Chevron Research Company, H D Messner, Edward J Keeling, February 8, 1983: US04373197 (8 worldwide citation)

The present invention provides for the accurate mapping of shallow crustal earth formations by means for refractive seismic waves to identify structure, elastic parameters and lithology of the strata undergoing survey to indicate deposits of ore, marker rock, economic minerals and the like. After a ...


113
Odd R Bryhn: Stabilizing clay soil with a mixture of hydroxy-aluminum and base. Chevron Research Company, Edward J Keeling, D A Newell, January 10, 1984: US04425167 (8 worldwide citation)

The present invention provides a method of stabilizing clay soil by mixing an effective amount of dry hydroxy-aluminum and dry base with the clay.


114
Richard B Feldman: Water detection subassembly and method of forming same, for computer processing centers. Chevron Research Company, H D Messner, Edward J Keeling, August 27, 1985: US04538141 (8 worldwide citation)

The present invention relates to a water detection subassembly and method for forming same, for use in association with water detection system operating within a digital computing center. The subassembly includes a perforated protective shield fitted about a fabric mesh supporting copper conductors ...


115
Tanh V Nguyen, C Brent Davenport, Christopher E Stevens, John C Reis, Ralph S Millhone: Steam injection profiling. Chevron Research Company, Edward J Keeling, Robert D Touslee, September 25, 1990: US04958684 (8 worldwide citation)

An improved method and apparatus for determining injection profiles in a steam injection well is disclosed. The mass flow rate of steam entering the well is measured. A well logging tool is then used to measure temperature and/or pressure profiles within the perforated zone of the well. A liquid pha ...


116
Tor Loken, Odd R Bryhn: Stabilizing clay soil with dry chemical mixtures. Chevron Research Company, Edward J Keeling, D A Newell, November 23, 1982: US04360599 (8 worldwide citation)

A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a dry mixture of chemicals comprising hydroxy-aluminum and a chemical selected from the group consisting of potassium chloride, potassium nitrate, potassium sulfate, ammonium chloride, ammonium nitrate, a ...


117
Thomas G Chin, Arthur Alston: Method and apparatus for measuring Reid Vapor Pressure. Chevron Research Company, Lewis S Gruber, Edward J Keeling, June 11, 1985: US04522056 (7 worldwide citation)

A method and apparatus for measuring Reid Vapor Pressure, as defined in the ASTM D-323 procedure, of liquid hydrocarbon materials wherein a sample of material is drawn from a sample can into a sample chamber containing a bellows and then to a measuring chamber. An expansion chamber, containing a bel ...


118
Marion G Reed: Method of improving premeability of fines-containing hydrocarbon formations by steam injection. Chevron Research and Technology Company, Edward J Keeling, Ernest A Schaal, October 22, 1991: US05058681 (7 worldwide citation)

A method is disclosed for improving the effectiveness of fluid transport in a fines-containing earthen formation and inhibiting permeability damage of that formation. Wet steam is generated from a feedwater that contains potassium chloride, enough anhydrous ammonia is added into the steam to produce ...


119
Steve L Vasicek, John H Duerksen: Method of flowing viscous hydrocarbons in a single well injection/production system. Chevron Research and Technology Company, Edward J Keeling, Robert D Touslee, David J Power, June 23, 1992: US05123485 (7 worldwide citation)

A method of heating produced fluid in a wellbore having multiple tubing strings. In the portion of the wellbore above the dual-string packer a portion of hot injection fluid is selectively flowed from the injection tubing string into the casing annulus where the production tubing is heated, and the ...


120
Marion G Reed: Stabilizing clay soil with hydroxy-aluminum solution. Chevron Research Company, D A Newell, Edward J Keeling, March 22, 1983: US04377419 (7 worldwide citation)

A method of stabilizing clay soil comprising admixing the clay soil with an effective amount of a solution of hydroxy-aluminum having a concentration of at least 4 molar.