High viscosity alcohol gel for shallow wells

Details High viscosity alcohol gel for shallow wells High viscosity alcohol gel for shallow wells

E - Fixed Constructions

21

B

E21B 43/27 (2006.01) C09K 8/68 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2119682

A fracturing fluid composition is described for use in fracturing low temperature underground formations, such as oil or gas wells. It includes at least one anhydrous aliphatic alcohol, a modified guar gum polymer, and as a complexor, a sodium perborate salt. A gel breaker is also provided, including sodium perborate which acts over a time period to degrade the guar gum cross linked polymer and thereby reduce the viscosity of the gel, to aid in the removal thereof from a well.

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