基于灰色系统与测井方法的煤层气含量预测及应用

郭建宏, 张占松, 张超谟, 陈芷若, 张鹏浩, 汤潇, 秦瑞宝, 余杰

Prediction and application of coalbed methane content based on gray system and logging method

GUO Jian-Hong, ZHANG Zhan-Song, ZHANG Chao-Mo, CHEN Zhi-Ruo, ZHANG Peng-Hao, TANG Xiao, QIN Rui-bao, YU Jie

表4 测试含气量与灰色预测含气量的关系

Table 4 The relationship between testing gas content and grey prediction gas content

样品号 测试含气量/(m3·t-1) 预测含气量/(m3·t-1) 绝对误差/(m3·t-1) 平均相对误差/% 26 15.34 16.68 1.34 8 27 19.33 17.29 2.04 10 28 17.98 16.98 1.00 5 29 17.76 18.21 0.45 2 30 16.56 17.14 0.58 3 31 13.10 14.58 1.48 11 32 19.57 18.49 1.08 5 33 13.76 15.48 1.72 12 34 12.69 13.81 1.12 8 35 10.29 10.60 0.31 3 36 12.54 12.75 0.21 1 37 13.54 13.58 0.04 0 38 17.17 16.55 0.62 3 39 13.24 12.81 0.43 3 40 16.24 16.20 0.04 0 平均值 0.83 4.9