Data-driven optimization for fine water injection in a mature oil field

JIA Deli,LIU He,ZHANG Jiqun,GONG Bin,PEI Xiaohan,WANG Quanbin,YANG Qinghai

Fig. 5. Schematic decision tree (the indicators of flood effectiveness are evaluated to be very good, good, medium, bad, and very bad; injection adjustment is diagnosed to be increasing, decreasing, and maintaining injection).