Process for recovery of oil of energy reservoirs of oil and water in underground structure of surface active agent

摘要

An aqueous based liquid for use in the recovery of oil from subterranean oil reservoirs comprises a fluorochemical surfactant possessing an oleophobic-hydrophobic fluoroaliphatic group, a hydrophilic group and an oleophilic group, optionally in conjugation with a conventional enhanced oil recovery surfactant.