Stephen J Miller: Process for stabilizing lube base stocks derived from bright stock. Chevron Research Company, W K Turner, G D Haynes, V J Cavalieri, December 9, 1986: US04627908 (246 worldwide citation)

A process for stabilizing a lubricating oil base stock derived from a nitro-aromatic-containing hydrocracked bright stock, comprising a two-step stabilizing process utilizing hydrodenitrification followed by mild hydrofinishing.

Mridul Kumar: Oil production from diatomite formations by fracture steamdrive. Chevron Research and Technology Company, W K Turner, D J Power, April 26, 1994: US05305829 (234 worldwide citation)

A steam drive method for low permeability formations is described which utilizes a plurality of wellbores in an elongated pattern configuration. The wells initially undergo a cyclic steaming and production operation, wherein as each steaming cycle is initiated a fracture system is created having a h ...

Stacey I Zones: Zeolite SSZ-13 and its method of preparation. Chevron Research Company, S R LaPaglia, W K Turner, V J Cavalieri, October 1, 1985: US04544538 (120 worldwide citation)

A crystalline zeolite, SSZ-13, is prepared from organic nitrogen-containing cations derived from 1-adamantamine, 3-quinuclidinol, and 2-exo-aminonorbornane,

Max D Kelley: Process for pyrolyzing hydrocarbonaceous solids to recover volatile hydrocarbons. Chevron Research Company, S R La Paglia, W K Turner, Q T Dickinson, October 1, 1985: US04544478 (104 worldwide citation)

Hydrocarbonaceous solids are pyrolyzed in a process employing a series of alternate pyrolysis zones and combustion zones preferably arranged along an incline. In particular, low grade hydrocarbonaceous solids are employed to supplement combustion in these alternating combustion zones.

Waldeen C Buss, Leslie A Field, Richard C Robinson: Hydrocarbon conversion process. Chevron Research Company, S R LaPaglia, W K Turner, E A Schaal, June 26, 1984: US04456527 (102 worldwide citation)

A hydrocarbon conversion process is disclosed having a very high selectivity for dehydrocyclization. In one aspect of this process, a hydrocarbon feed is subjected to hydrotreating, then the hydrocarbon feed is passed through a sulfur removal system which reduces the sulfur concentration of the hydr ...

Paul L Donoho, Mitchell F Peterson, Hughie Ryder, William H Keeling: Seafloor seismic recorder. Chevron Research and Technology Company, W K Turner, M W Carson, February 23, 1993: US05189642 (82 worldwide citation)

A method and apparatus for recording acoustical and seismic signals at the ocean bottom with minimal noise. A seafloor seismic recorder couples geophones to the water bottom, stores the seismic data, and is retrievable. The device is comprised of a chassis, a ballast ring, an electronics control pac ...

James J Harrison, William R Ruhe Jr: Modified high molecular weight succinimides. Chevron Research and Technology Company a Division of Chevron U, E A Schaal, W K Turner, August 2, 1994: US05334321 (70 worldwide citation)

Alkenyl or alkyl succinimide additives which are the reaction product of a high molecular weight alkenyl- or alkyl-substituted succinic anhydride and a polyalkylene polyamine having an average of greater than 4 nitrogen atoms per mole, wherein the reaction product is post-treated with a cyclic carbo ...

Yumi Nakagawa: Zeolite SSZ-35. Chevron Research and Technology Company, W K Turner, R J Sheridan, May 31, 1994: US05316753 (68 worldwide citation)

The present invention relates to new crystalline zeolite SSZ-35 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using conformationally constrained aza-polycyclic ring system templating agents.

Stephen J Miller: Preparation of aluminosilicate zeolites. Chevron U, W K Turner, A W Klaassen, R J Sheridan, September 24, 1996: US05558851 (65 worldwide citation)

A method is disclosed for preparing a crystalline aluminosilicate zeolite from a reaction mixture containing only sufficient water so that the reaction mixture may be shaped if desired. In the method, the reaction mixture is heated at crystallization conditions and in the absence of an external liqu ...

Willard J Sevigny, Donald L Kuehne, Jeremy Cantor: Enhanced oil recovery method employing a high temperature brine tolerant foam-forming composition. Chevron Research and Technology Company a Division of Chevron U, E A Schaal, W K Turner, October 25, 1994: US05358045 (57 worldwide citation)

An enhanced oil recovery technique for recovering hydrocarbons from a reservoir during gas injection comprises the at least periodic injection of gas and a foam-forming composition into the reservoir. The foam-forming composition comprises water, an effective foam-forming amount of a C.sub.10-16 .al ...