HOW?
• An EOR system that is continuously added to waterflood injectors
• Causes dormant natural biology in the reservoir to grow
• Growth occurs at trapped oil
• Trapped oil is mobilized by Bio-Diversion in nearby water thief zones
• Strong biosurfactants are produced attrapped oil reducing IFT
Basic Candidate Selection Criteria
• Existing and effectivewaterflood
• >20 md perm
• >18’ API gravity crude
• <190’ F BHST
• <10% Salinity water