abstract |
A subterranean treatment fluid comprising a degradable gemini surfactant composition described by the following formula: n n n n n n n n n n A and A′ are spacers that may be a hydrophobic group or a hydrophilic group. B is an ion and may contain a quaternary nitrogen, a sulfonate, or a phosphate. A, A′, B, B′, C, C, E and E′ may be an alkyl, an aryl, a sugar, an ester, an ether, and any combination thereof. D and D′ may be an aryl, a sugar, an ester, an ether, and any combination thereof. In some cases, A′, D′, and E′ may be optional. |