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5 GM(0,7)模型基于不同样本数预测深层煤层气含量结果
|
Table 5 GM(0,7) model predicts the deep CBM content based on different sample numbers
|
|
| 建模个数 | 不同深度点对应的气含量预测值/(m3·t-1) | 绝对误差
/(m3·t-1) | 平均相对误差
/% | | 1 238.67 m | 1 240.82 m | 1 347.34 m | 1 348.54 m | 1 349.44 m | | 6 | 16.48 | 19.35 | 23.53 | 22.18 | 20.39 | 2.67 | 14.9 | | 8 | 14.75 | 17.63 | 21.63 | 20.04 | 19.2 | 1.77 | 10.0 | | 10 | 13.35 | 15.37 | 21.25 | 18.07 | 20.40 | 1.56 | 8.7 | | 12 | 15.95 | 16.94 | 21.93 | 19.70 | 21.2 | 1.64 | 8.9 | | 14 | 16.98 | 17.42 | 21.90 | 20.04 | 21.3 | 1.62 | 8.8 | | 16 | 15.84 | 15.92 | 21.34 | 18.72 | 19.41 | 0.96 | 5.3 | | 18 | 16.78 | 16.38 | 21.44 | 18.66 | 18.87 | 0.87 | 4.5 | | 20 | 17.03 | 16.65 | 21.54 | 19.06 | 19.53 | 0.84 | 4.6 | | 气含量 | 17.26 | 16.20 | 19.35 | 17.76 | 19.57 | | |
|
|
|