Patent Number: 7,131,492

Title: Divinyl sulfone crosslinking agents and methods of use in subterranean applications

Abstract: This invention relates to divinyl sulfone crosslinking agents, viscosified treatment fluids, and methods of using these compositions in applications wherein viscosified treatment fluids may be used. In one embodiment, this invention provides a method of treating a portion of a subterranean formation comprising: providing a viscosified treatment fluid that comprises an aqueous base fluid and a crosslinked gelling agent, the crosslinked gelling agent comprising at least one alkyl sulfone bridge, and treating the portion of the subterranean formation.

Inventors: Kriegel; Robert M. (Marietta, GA)

Assignee: Halliburton Energy Services, Inc.

International Classification: E21B 21/00 (20060101); C09K 8/02 (20060101); E21B 43/04 (20060101); E21B 43/22 (20060101); E21B 43/26 (20060101)

Expiration Date: 2019-11-07 0:00:00