Hydraulic fracturing process using a polymer gel

Details Hydraulic fracturing process using a polymer gel Hydraulic fracturing process using a polymer gel

E - Fixed Constructions

21

B

31/21

E21B 43/26 (2006.01) C09K 8/68 (2006.01) E21B 43/22 (2006.01)

Patent

CA 1301444

Docket 860004-A ABSTRACT HYDRAULIC FRACTURING PROCESS USING A POLYMER GEL A subterranean hydrocarbon-bearing formation is hydraulically fractured using a crosslinked polymer gel as a fracturing fluid. The gel comprises a high molecular weight, water-soluble, carboxylate-containing polymer and a chromic carboxylate complex crosslinking agent. The gel components are premixed at the surface and injected into a wellbore in fluid communication with the forma- tion at a pressure sufficient to hydraulically fracture the forma- tion.

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