Use of oil-based gel-breaker/inhibitor compounds with polymer ge

Details Use of oil-based gel-breaker/inhibitor compounds with polymer ge Use of oil-based gel-breaker/inhibitor compounds with polymer ge

1999-02-09

2000-10-17

Tucker, Philip

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

507266, 507903, 507921, 166295, 523130, C09K 300, E21B 3313

Patent

active

061332046

ABSTRACT:
A gel-breaking/gel-inhibiting composition containing at least one carboxylic acid or salt thereof is dispersed in a hydrophobic carrier fluid to break down a cross-linked polymer gel or inhibit the gelation of a polymer gel used in plugging in permeable subterranean formations containing oil-bearing zones and water-bearing zones. The composition may be used to selectively restore permeability to oil-bearing zones in formations containing a cross-linked polymer gel or to inhibit gelation in an oil-bearing zone by injection into the oil-bearing zone prior to or after treatment of the formation containing the oil-bearing zone with an aqueous polymer solution.

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