1
A A Gregoli, Uriel M Oko, Frederic Leder: Process for converting heavy crudes, tars, and bitumens to lighter products in the presence of brine at supercritical conditions. Cities Service Oil and Gas Corporation, John Wade Carpenter, April 4, 1989: US04818370 (267 worldwide citation)

A majority amount of a heavy hydrocarbon crude is reacted with a minor amount of brine, at supercritical temperature and pressure for the brine, for a predetermined period of time in order to upgrade and convert the heavy hydrocarbon crude into a lighter hydrocarbon crude of higher API gravity. The ...


2
Richard A Mueller, David L Laughry: Apparatus and process for selectively expanding to join one tube into another tube. Cities Service Oil and Gas Corporation, John W Carpenter, August 11, 1987: US04685191 (93 worldwide citation)

An apparatus and process for expanding a tube at selective points about its circumference to join another tube. After a segment of a first tube is inserted into a second tube having an end sleeve segment with a larger diameter and wall thickness than the first tube, compression and subsequent radial ...


3
Burton B Sandiford, Roger C Zillmer: Gel and process for preventing loss of circulation, and combination process for enhanced recovery. Cities Service Oil and Gas Corporation, F Eugene Logan, William N Patrick, February 17, 1987: US04643255 (36 worldwide citation)

A rapid setting gel-forming composition is provided comprising a first substance selected from the group consisting of a polyvinyl alcohol, a polyvinyl alcohol copolymer, and mixtures thereof, and aldehyde, and water, which is useful in preventing the loss of circulation fluids in well drilling, com ...


4
Matthew L Marrocco: Gel for retarding water flow. Cities Service Oil and Gas Corporation, F Eugene Logan, William N Patrick, February 12, 1985: US04498540 (25 worldwide citation)

A polyvinyl alcohol-aldehyde gel having a high water content and low degree of crosslinking is provided which has improved stability. The gel can be used to retard the flow of water in subterranean formation encountered in hydrocarbon production. One embodiment of the invention provides a method of ...


5
Burton B Sandiford: Gel and method for reducing steam channeling. Cities Service Oil and Gas Corporation, F Eugene Logan, William N Patrick, May 19, 1987: US04665986 (24 worldwide citation)

A gel-forming composition is provided comprising a PVA based substance selected from the group consisting of a polyvinyl alcohol, a polyvinyl alcohol copolymer, and mixtures thereof, an aldehyde operable for crosslinking with the PVA based substance, and water. The gel-forming composition is useful ...


6
Burton B Sandiford, Roger C Zillmer: Gel and process for preventing carbon dioxide break through. Cities Service Oil and Gas Corporation, F Eugene Logan, June 16, 1987: US04673038 (22 worldwide citation)

A gel-forming composition is provided comprising a first substance selected from the group consisting of a polyvinyl alcohols, polyvinyl alcohol copolymers, and mixtures thereof, a second substance selected from the group consisting of aldehydes, aldehyde generating substances, acetals, acetal gener ...


7
Burton B Sandiford, Roger C Zillmer: Process for retarding fluid flow. Cities Service Oil and Gas Corporation, F Eugene Logan, January 10, 1989: US04796700 (15 worldwide citation)

A gel-forming composition is provided comprising a first substance selected from the group consisting of a polyvinyl alcohol, a polyvinyl alcohol copolymer, and mixtures thereof, glutaraldehyde, and water, and which does not require a separately provided acidic catalyst to crosslink and form a gel. ...


8
Raymond J Jasinski: Corrosion probe and method for measuring corrosion rates. Cities Service Oil and Gas Corporation, John W Carpenter, June 21, 1988: US04752360 (15 worldwide citation)

A corrosion probe having in combination at least one first, at least one second, and at least one third electrode. A dielectric is positioned between the electrodes, and the dielectric has a structure defining an ionically conductive surface. An apparatus for measuring the corrosion rates of metals, ...


9
Raymond J Jasinski: Corrosion probe and method for measuring corrosion rates. Cities Service Oil and Gas Corporation, John W Carpenter, September 5, 1989: US04863572 (12 worldwide citation)

A corrosion probe having in combination at least one first, at least one second, and at least one third electrode. A dielectric is positioned between the electrodes, and the dielectric has a structure defining an ionically conductive surface. An apparatus for measuring the corrosion rates of metals, ...


10
Raymond J Jasinski: Corrosion probe and method for measuring corrosion rates. Cities Service Oil and Gas Corporation, John W Carpenter, June 20, 1989: US04840719 (11 worldwide citation)

A corrosion probe having in combination at least one first, at least one second, and at least one third electrode. A dielectric is positioned between the electrodes, and the dielectric has a structure defining an ionically conductive surface. An apparatus for measuring the corrosion rates of metals, ...



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