1
Kerry D Savage: Method of heating an oil shale formation. Texaco, Robert A Kulason, Ronald G Gillespie, June 25, 1985: US04524826 (255 worldwide citation)

A method of heating an oil shale formation to produce shale oil includes radiating RF energy into the oil shale formation for a predetermined first time interval from a first borehole which penetrates said oil shale formation. Shale oil is produced when available during said first time interval from ...


2
Donald J Dowling, Harold A Palmer: Method and apparatus for combating encroachment by in situ treated formations. Texaco, Robert A Kulason, James J O Loughlin, Henry C Dearborn, March 18, 1986: US04576231 (244 worldwide citation)

A method and apparatus is applicable to in situ heating of oil shale or tar sand. The heating is by radio frequency that is applied down hole by a central conductor that extends beyond a coaxial shielding conductor to form the antenna or applicator. Encroachment by the heated formation is overcome b ...


3
Gunter Pusch, Karl Heinz Gaida: Method of recovering petroleum and bitumen from subterranean reservoirs. Deutsche Texaco Aktiengesellschaft, Carl G Ries, Robert A Kulason, Charles L Bauer, February 24, 1981: US04252191 (243 worldwide citation)

A method of recovering petroleum from an underground reservoir by employing an in-situ combustion at a pressure of at least 120 bar by the simultaneous injection of oxygen and water whereby the temperature is controlled in the range of 450.degree.-550.degree. C.


4
Kerry D Savage, Hans J Paap: Hydrocarbon stratum retorting means and method. Texaco, Robert A Kulason, James J O Loughlin, Ronald G Gillespie, June 3, 1986: US04592423 (229 worldwide citation)

The system and the method of the present invention for the in-situ retorting of a hydrocarbon stratum, having a borehole traversing it, with electrical energy at a radio frequency (hereinafter referred to as rf energy) includes apparatus for conducting the rf energy from an rf energy source down a b ...


5
Eike Rietsch: Method for determining the extent of subsurface reaction involving acoustic signals. Deutsche Texaco Aktiengesellschaft, Carl G Ries, Robert A Kulason, Ronald G Gillespie, June 28, 1983: US04390973 (171 worldwide citation)

A method determines the extent of subsurface reactions in which random acoustic signals are radiated from a whole area covered by the reaction or from a boundary region, hereafter termed reaction front, between largely undisturbed rocks and those already covered by the reaction. The signals are reco ...


6
Wann Sheng Huang, Sze Foo Chien: Method and apparatus for producing viscous hydrocarbons from a subterranean formation. Texaco, Robert A Kulason, James J O Loughlin, Robert B Burns, March 25, 1986: US04577691 (137 worldwide citation)

Method and apparatus for thermally stimulating bitumen and other viscous hydrocarbon products from a subterranean formation in which the product is held. A plurality of wells are formed in the layer, which wells extend from the surface into a generally horizontal direction through the productive sub ...


7
Theodore E Nalesnik: Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same. Texaco, Robert A Kulason, James J O Loughlin, Robert B Burns, September 5, 1989: US04863623 (106 worldwide citation)

An additive composition comprising a graft and amine-derivatized copolymer prepared from ethylene and at least one C.sub.3 -C.sub.10 alpha-monoolefin and, optionally, a polyene selected from non-conjugated dienes and trienes comprising from about 15 to 80 mole percent of ethylene, from about 20 to 8 ...


8
Peter G P Ang, Anthony F Sammells: Means and method for reducing carbon dioxide to provide a product. Texaco, Robert A Kulason, Ronald G Gillepsie, June 18, 1985: US04523981 (87 worldwide citation)

A process for reducing carbon dioxide to at least one useful product includes two redox couple electrolyte solutions separated by a first membrane having photosensitizers. The carbon dioxide to be reduced is separated from one of the redox couple electrolyte solutions by another membrane having a ca ...


9
Yick Mow Shum, Wann Sheng Huang: Method for steam injection in steeply dipping formations. Texaco, Carl G Ries, Robert A Kulason, Jack H Park, April 7, 1981: US04260018 (80 worldwide citation)

Steam breakthrough at the updip outcrop of a steeply dipping heavy oil reservoir is prevented by the injection of a hot water bank above the point at which the steam is injected into the heavy oil reservoir.


10
Mordechai Pasternak: Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent. Texaco, Robert A Kulason, James J O Loughlin, Carl G Seutter, April 7, 1992: US05102551 (79 worldwide citation)

Charge containing dewaxed oil and dewaxing solvent (typically methyl ethyl ketone and toluene) is treated to separate dewaxing solvent by use of a separating elastomer membrane barrier of a polysiloxane which has been cross-linked as with toluene diisocyanate, adipoyl dichloride, a dialkoxy silane, ...