Abstract: Crosslinkable-polymer compositions that comprise a chitosan-based compound and a phenol source, and associated methods, are provided. Various methods of use are also provided. In one embodiment, the methods comprise providing a crosslinkable-polymer composition comprising an aqueous fluid, a chitosan-based compound, a chitosan-reacting polymer, and a phenol source; introducing the crosslinkable-polymer composition into the portion of the subterranean formation; and allowing the crosslinkable-polymer composition to form a crosslinked gel in the portion of the subterranean formation.
Type:
Grant
Filed:
November 3, 2006
Date of Patent:
September 25, 2012
Assignee:
Halliburton Energy Services, Inc.
Inventors:
B. Raghava Reddy, Julio E. Vasquez, Larry S. Eoff, Eldon Dwyann Dalrymple