用地球物理测井资料预测煤层气含量——基于斜率关联度—随机森林方法的工作案例

郭建宏, 张占松, 张超谟, 周雪晴, 肖航, 秦瑞宝, 余杰

The exploration of predicting CBM content by geophysical logging data: A case study based on slope correlation random forest method

GUO Jian-Hong, ZHANG Zhan-Song, ZHANG Chao-Mo, ZHOU Xue-Qing, XIAO Hang, QIN Rui-Bao, YU Jie

表1 3号煤层测井响应范围

Table 1 Logging response range of No.3 Coal Seam

参数 测试气量/ (m3·t-1) 自然伽马/ API 自然电位/ mV 补偿密度/ (g·cm-3) 声波时差/ (μs·m-1) 补偿中子/ (V·V-1) 深电阻率/ (Ω·m) 浅电阻率/ (Ω·m) 范围 5.91~26.07 30.4~109.4 26~134 1.19~1.89 384~489 0.41~0.56 165~33766 470~18355 平均值 18.83 55.3 82 1.39 419 0.49 4845 4428