Method for fracturing subterranean formations

Details Method for fracturing subterranean formations Method for fracturing subterranean formations

E - Fixed Constructions

21

B

31/26

E21B 43/26 (2006.01) C09K 8/68 (2006.01)

Patent

CA 1241830

METHOD FOR FRACTURING SUBTERRANEAN FORMATIONS Abstract of the Disclosure The present invention relates to a thermally stable crosslinked gel fracturing fluid for use in the treatment of subterranean formations penetrated by a well bore. The fracturing fluid comprises an aqueous liquid, a gelling agent comprising a selected modified cellulose ether, a crosslinking agent and any additional additives that may be present. The fracturing fluid is thermally stable under shear at temperatures in excess of about 200°F.

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