Compositions – Leather or fur treating
Patent
1990-06-28
1991-08-13
Stoll, Robert L.
Compositions
Leather or fur treating
252 8551, E21B 4327
Patent
active
050394347
ABSTRACT:
Subterranean formations are treated with acid, by a method comprising the steps of: (1) forming an acidizing composition by mixing an aqueous acid component with at least one water-soluble organosilicon compound; and (2) injecting the composition into the formation. Suitable organosilicon compounds include water-soluble organosilanes and organosilanes which hydrolyze to form water-soluble silanols. By using the organosilicon compound, movement of formation fine particles is inhibited and swelling of clays by aqueous fluids is reduced, thus tending to maintain formation permeability.
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Allen et al., Production Operations, vol. 2, Well Completions, Workover, and Stimulation, Third Edition, Oil & Gas Consultants International, Inc., Tulsa, OK. (1989), pp. 145-147 and 152.
Hewgill Gregory S.
Kalfayan Leonard J.
Watkins David R.
Franks Robert A.
Frieman Shlomo R.
Geist Gary L.
Stoll Robert L.
Union Oil Company of California
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