Electrical responses and classification of complex water-flooded layers in carbonate reservoirs: A case study of Zananor Oilfield, Kazakhstan

WANG Fei,BIAN Huiyuan,ZHAO Lun,YU Jun,TAN Chengqian

Table 3 Classification standard for water flooding levels of different types of carbonate reservoirs.

Reservoir type Water cut /% Oil layer Weakly water-flooded Moderately water-flooded Strongly water-flooded Porous fw≤5% 5%<fw≤20% 20%<fw≤50% fw>50% Fractured Porous-fractured Composite fw≤5% 5%<fw≤10% 10%<fw≤50% fw>50%