Theodore R Blevins: Arrangement of wells for producing subsurface viscous petroleum. Chevron Research Company, J A Buchanan Jr, R L Freeland Jr, G W Wasson, December 1, 1981: US04303126 (202 worldwide citation)

A method is disclosed for recovering viscous crudes from petroleum-containing formation, such as tar sand deposits, which are too deep to mine economically but not deep enough, or geologically not structured properly, to successfully hydraulically fracture for well to well production. The method con ...

Patrick H Hess: Method for delaying the setting of an acid-settable liquid in a terrestrial zone. Chevron Research Company, J A Buchanan Jr, John Stoner Jr, W Keith Turner, April 5, 1977: US04015995 (64 worldwide citation)

In an improved method for the treatment of a permeable formation or zone adjacent to the bore of an oil well, the setting time of an acid-settable liquid is predictably delayed by use of a novel catalyst system. The method provides an effective means for controlling the reduction of the permeability ...

Donald S Santilli, Stacey I Zones: Selective conversion of methanol to low molecular weight olefins over high silica SSZ-13 zeolite. Chevron Research Company, J A Buchanan Jr, S R La Paglia, January 29, 1985: US04496786 (39 worldwide citation)

A process for the conversion of methanol to olefins by contacting an methanol-containing feedstock with an SSZ-13 under methanol conversion conditions.

Coral L DePriester: Hull heating system for an arctic offshore production structure. Chevron Research Company, J A Buchanan Jr, R H Evans, June 22, 1982: US04335980 (37 worldwide citation)

A hull heating system for an offshore production structure for use in arctic waters wherein the heat from the produced fluids is used to maintain the temperature of the outer surface of the structure above the melting temperature of the ice adjacent the structure.

Stanley O Hutchison, Paul V Oldershaw, James E Hansen: Well servicing rig. Chevron Research Company, J A Buchanan Jr, E J Keeling, May 27, 1986: US04591006 (33 worldwide citation)

A fully mobil and totally contained well servicing and drilling rig is disclosed having equipment on the rig for automatically handling well elements (pipe, tubing and rods) going into and coming out of a well. The rig provides well element storage racks, cranes for moving well elements onto and off ...

Robert L Hudson: Polypropylene blend compositions. Chevron Research, J A Buchanan Jr, T G DeJonghe, L S Squires, October 20, 1981: US04296022 (33 worldwide citation)

A blend of different polypropylene resins which is particularly useful in melt-spinning fine denier yarns. The blend can be melt-extruded into pellets having better spinning properties for melt-spinning fine denier yarns than the individual resins.

Malcolm Scott Singer: N-alkyl or alkoxy-N-substituted hydrocarbyl urea. Chevron Research Company, J A Buchanan Jr, T G DeJonghe, Raymond Owyang, September 5, 1978: US04111683 (31 worldwide citation)

Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkyl or alkoxy, R.sup.3 is ##STR2## wherein a is 0 or 1, R.sup.4 is hydrogen or CW'.sub.3, the W' b ...

Ronald A Schneider: Process for the manufacture of maleic anhydride using high surface area catalyst. Chevron Research Company, J A Buchanan Jr, John Stoner Jr, W Keith Turner, April 12, 1977: US04017521 (30 worldwide citation)

An improved vanadium-phosphorus mixed oxide is prepared by a unique method employing an organic medium. The substantial intrinsic surface area and the microcrystalline structure of the new oxide result in advantageous activity and selectivity effects in the catalysed vapor phase oxidation of n-butan ...

David Cheong King Chan: 3-(N-acyl-N-arylamino) lactones. Chevron Research Company, J A Buchanan Jr, Dix A Newell, Raymond Owyang, January 20, 1976: US03933860 (27 worldwide citation)

3-(N-acyl-N-arylamino)-.gamma.-lactones, .delta.-lactones, .gamma.-lactams and .delta.-lactams have fungicidal activity.

Shih Tung Liu: Erwinia herbicola strain that inhibits pathogenic plant bacteria. Chevron Research Company, J A Buchanan Jr, T G DeJonghe, February 11, 1986: US04569841 (26 worldwide citation)

A strain of Erwinia herbicola identified as EHO-10 has been found to have a broad spectrum of inhibitory activity against pathogenic bacteria. Pathogenic bacteria inhibited by EHO-10 includes those from the following genera: Agrobacterium, Corynebacterium, Erwinia, Pseudomonas, and Xanthomonas. EHO- ...