Patent Number: 6,166,103

Title: Aqueous gelable compositions with delayed gelling times

Abstract: An aqueous gelable composition containing an organic, water soluble polymer cross-linkable with a multivalent cation and a retarded cross-linking system consisting essentially of chromium trichloride and monosodium glutamate and a method for reducing the permeability of the subterranean formation using the composition.

Inventors: Lai; Quintin J. (Anchorage, AK), Scott; E. Mark (Plano, TX)

Assignee: Atlantic Richfield Company

International Classification: C09K 8/50 (20060101); C09K 8/512 (20060101); C09K 007/02 ()

Expiration Date: 12/26/2017