基于多因素的煤储层气水两相非稳态流入动态评价方法及应用

张鹏,王相春,封从军,郑力会,张妍,孙萌思

Evaluation method and application of gas-water two-phase unsteady inflow performance of coal reservoir based on multiple factors

Peng ZHANG,Xiangchun WANG,Congjun FENG,Lihui ZHENG,Yan ZHANG,Mengsi SUN

表1 不同渗透率储层的a1、a2、a3值

Table 1 a1, a2and a3 values of reservoirs with different permeability

渗透率/（10-3 μm2） a1 a2 a3 K≥50 3 1.8 45 K=10~50 3.5 2 40 K=1~10 4.5 3 35 K=0.5~1 5 2 33 K=0.1~0.5 5 2 25 K≤0.1 7 2 15