Inter-well interferences and their influencing factors during water flooding in fractured-vuggy carbonate reservoirs

WANG Jing,ZHAO Wei,LIU Huiqing,LIU Fangna,ZHANG Tuozheng,DOU Liangbin,YANG Xinling,LI Bo

Table 1 Experimental schemes for inter-well interference characteristics of fractured-vuggy reservoirs.

No. Quartz sand size/mm Cave location Cave volume/mL 1 0.850-1.700 (High permeability) No cave 0.425-0.850 (Low permeability) No cave 2 0.850-1.700 (High permeability) Middle 200 0.425-0.850 (Low permeability) No cave 3 0.850-1.700 (High permeability) No cave 0.425-0.850 (Low permeability) Middle 200 4 0.850-1.700 Middle 200 0.850-1.700 No cave 5 0.850-1.700 (High permeability) Close to the injection side 200 0.425-0.850 (Low permeability) No cave 6 0.850-1.700 (High permeability) Close to the exit side 200 0.425-0.850 (Low permeability) No cave 7 0.850-1.700 (High permeability) Middle 100 0.425-0.850 (Low permeability) No cave 8 0.850-1.700 (High permeability) Middle 50 0.425-0.850 (Low permeability) No cave 9 0.850-1.700 (High permeability) Middle 200 0.180-0.425 (Low permeability) No cave