WATERFLOOD OIL RECOVERY PROCESS USING INTERNAL OLEFIN SULFONATE SURFACTANT

摘要

WATERFLOOD OIL RECOVERY PROCESSUSING INTERNAL OLEFIN SULFONATE SURFACTANTAbstract of the DisclosureThe present invention relates to a process wherein an aqueoussurfactant system containing a primary surfactant which is an internalolefin sulfonate surfactant having a water solubility which concentratesthe surfactant at the oil/water interface and is an effective oil dis-placing fluid.