地应力地震预测及其在南川页岩气开发中的应用

刘昊娟

The application of in-situ stress prediction based on seismic data to shale gas development:A case study of Nanchuan(south Sichuan) area

LIU Hao-Juan

表2 南川工区五峰组最大主应力预测和单井FMI结果

Table 2 FMI interpretation results and 3D prediction of horizontal maximum principal stress in O3w of Nanchuan area

井名 深度/m 单井计算水平最大 主应力/MPa 三维预测水平最大 主应力/MPa 差异值/MPa 差异百分比/% W1 2966~2996 68 63.893 -4.107 6.039 W2 3441.2~3471.2 77 74.093 -2.907 3.775 W3 3722~3752 74 74.227 0.227 0.306 W4 3374.1~3404.1 75.2 72.427 -2.773 3.688 W5 2668.5~2698.5 56.76 57.360 0.600 1.057 W6 2771.5~2801.5 62.3 63.893 1.593 2.558