Surfactants for hydrocarbon recovery
First Claim
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1. A composition comprising an aqueous well fluid, at least one nonionic acetylenic alcoholic surfactant, and at least one fluoroaliphatic surfactant.
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Abstract
This invention provides compositions comprising an aqueous well fluid and at least one nonionic acetylenic alcoholic surfactant. The compositions may further comprise at least one fluoroaliphatic surfactant. Methods for recovery of aqueous well fluids involving the use of at least one nonionic acetylenic alcoholic surfactant are also provided, and these methods may further comprise the use of at least one fluoroaliphatic surfactant.
38 Citations
17 Claims
- 1. A composition comprising an aqueous well fluid, at least one nonionic acetylenic alcoholic surfactant, and at least one fluoroaliphatic surfactant.
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2. (canceled)
- 7. In a method for treating a hydrocarbon well for water blocking and/or gas banking, the improvement which comprises providing to said well at least one nonionic acetylenic alcoholic surfactant and at least one fluoroaliphatic surfactant.
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8. (canceled)
- 12. In a method comprising recovering aqueous well fluid from a well, the improvement which comprises providing to said aqueous well fluid at least one nonionic acetylenic alcoholic surfactant and at least one fluoroaliphatic surfactant.
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13. (canceled)
Specification