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US 11,891,568 B2Granted
Surfactants for oil and gas production
AssigneeAdvanSix Resins & Chemicals LLC
InventorEdward Asirvatham
Life of this patent
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Abstract
Surfactants for use in formulations and processes suitable for hydrocarbon recovery. These formulations, include formulations suitable for fracking, enhancing oil and or gas recovery, and the recovery and or production of bio-based oils.
Claims12
A formulation for the recovery of hydrocarbons, comprising:
- at least one surfactant of Formula I,
- wherein R1 is C1-C6 alkyl substituted with sulfonate, R2 is C1-C6 alkyl, and n is 5, and the terminal nitrogen is further substituted with R3, wherein R3 is C1-C6 alkyl;
- and
- an aqueous phase.
1 more element
A method of recovering a hydrocarbon comprising the steps of:
- introducing a foamed fluid composition within an oil or gas well and performing an operation with the foamed fluid composition wherein the foamed fluid composition comprises:
- a base fluid comprising an oil-based or a water-based fluid;
- a gas;
- at least one surfactant of Formula I,
- wherein R1 is C1-C6 alkyl substituted with sulfonate, R2 is C1-C6 alkyl, and n is 5, and the terminal nitrogen is further substituted with R3, wherein R3 is C1-C6 alkyl.
2 more elements
Dependencies are inferred from the claim text.