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3 南川工区五峰组最小主应力预测和单井FMI结果

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

井名 深度/m 单井计算水平最小 主应力/MPa 三维预测水平最小 主应力/MPa 误差值/MPa 误差百分比/% W1 2966~2996 62 57.929 -4.07143 6.57 W2 3441.2~3471.2 64 62.929 -1.07143 1.67 W3 3722~3752 67 72.786 5.78571 8.64 W4 3374.1~3404.1 68.1 65.000 -3.10000 4.55 W5 2668.5~2698.5 50.91 50.486 -0.42429 0.83 W6 2771.5~2801.5 53.3 55.714 2.41429 4.53