Using cyclic alternating water injection to enhance oil recovery for carbonate reservoirs developed by linear horizontal well pattern

LI Yong,ZHAO Limin,WANG Shu,SUN Liang,ZHANG Wenqi,YANG Yang,HU Dandan,CHEN Yihang

Table 1 Basic geological parameters of 3 typical blocks.

Block Reservoir thickness/m Average permeability/10-3 μm2 Permeability range M1 18.19 149 102.41 M2 18.95 84 208.28 M3 17.53 10 168.54