Slickwater fracturing fluid

摘要

Described is a slickwater fracturing fluid containing base water having up to 300,000 ppm total dissolved solids; a viscosifier; a scale inhibitor; and a surfactant composition. The surfactant composition contains at least one dibasic ester, at least one non-ionic surfactant, at least one terpene or terpene derivative and optionally at least one polyalkylene glycol.

主权项

1. A slickwater fracturing fluid comprising:
base water comprising up to 300,000 ppm total dissolved solids; a viscosifier; a scale inhibitor; and a surfactant composition, the surfactant composition comprising:
at least one dibasic ester having a structural formula: wherein R1 and R3 are each independently selected from (C1-20)alkyl, (C3-10)cycloalkyl, aryl, (C1-12)alkylaryl and aryl(C1-12)alkyl; and R2 is —(CH2)p—, wherein p is an integer from 2 to 7, and wherein the —(CH2)p— group is optionally substituted with from 1 to 3 (C1-3)alkyl groups,at least one non-ionic surfactant,at least one terpene or terpene derivative, andoptionally at least one polyalkylene glycol.