| 摘要 |
A wellbore treatment fluid is formed from an aqueous medium, a gas component, a viscosifying agent, and a surfactant. The surfactant is represented by the chemical formula: <?in-line-formulae description="In-line Formulae" end="lead"?>[R-(OCH<SUB>2</SUB>CH<SUB>2</SUB>)<SUB>m</SUB>-O<SUB>q</SUB>-YO<SUB>n</SUB>]<SUB>p</SUB>X<?in-line-formulae description="In-line Formulae" end="tail"?> wherein R is a linear alkyl, branched alkyl, alkyl cycloaliphatic, or alkyl aryl group; O is an oxygen atom; Y is either a sulfur or phosphorus atom; m is 1 or more; n is a integer ranging from 1 to 3; p is a integer ranging from 1 to 4; q is a integer ranging from 0 to 1; and X is a cation. The fluid may be used in treating a subterranean formation penetrating by a wellbore by introducing the fluid into the wellbore. The fluid may be used in fracturing a subterranean formation penetrated by a wellbore by introducing the fluid into the formation at a pressure equal to or greater than the fracture initiation pressure.
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