多源测井数据预测煤层工业组分和发热量模型研究

余永鹏, 张广兵, 黄自军, 闫建波, 王嘉文, 杨彦成, 毛兴军

A prediction model of the industrial components and calorific values of coal seams based on multi-source log data

YU Yong-Peng, ZHANG Guang-Bing, HUANG Zi-Jun, YAN Jian-Bo, WANG Jia-Wen, YANG Yan-Cheng, MAO Xing-Jun

表1 研究区典型测井曲线幅值特征统计

Table 1 The statistical table of amplitude characteristics of typical logging curves in the study area

测井方法	自然伽马/API		短源距人工伽马/CPS		长源距人工伽马/CPS		三侧向视电阻率/(Ω·m)
对比内容	$\frac{最小值}{最大值}$	$\frac{均值}{方差}$	$\frac{最小值}{最大值}$	$\frac{均值}{方差}$	$\frac{最小值}{最大值}$	$\frac{均值}{方差}$	$\frac{最小值}{最大值}$	$\frac{均值}{方差}$
详查阶段	$\frac{3.97}{23.32}$	$\frac{10.05}{2.66}$	$\frac{13584}{19100}$	$\frac{17109.20}{1038.68}$	$\frac{4356}{10424.70}$	$\frac{9169.26}{680.22}$	$\frac{2.70}{7.19}$	$\frac{4.97}{0.60}$
勘探阶段	$\frac{3.56}{18.68}$	$\frac{10.08}{2.03}$	$\frac{3186}{9226}$	$\frac{8094.60}{733.03}$	$\frac{6043}{8679}$	$\frac{7266.61}{524.10}$	$\frac{3.25}{7.85}$	$\frac{5.14}{0.82}$