Patent · US Active

High temperature fracturing fluids and methods

US8309498B2 · kind B2 · utility

64Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2009
Grant dateNov 13, 2012
Priority date
Expiry dateAug 21, 2030

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/16
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Of the many methods and compositions provided by this invention, one method a method of treating a subterranean formation, comprising: providing a treatment fluid comprising: an aqueous base fluid and a reaction product of a gelling agent comprising a copolymer or salt thereof comprising N-[tris(hydroxymethyl)methyl]acrylamide, 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof, and acrylamide; and a crosslinking agent; and introducing the treatment fluid into a subterranean formation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.