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勘探区煤系地层主要含煤地层是下老山亚段和王潘里段。下老山亚段岩煤层稳定,结构简单,物性反映良好,区域地层物性变化不大,分层定厚依据充分。王潘里段则相反,地层复杂,煤层多而薄,不稳定,物性反映不好。我们在前人工作的基础上,充分发挥现有地质测井资料的作用,对本勘探区测井曲线细致进行了对比,找到了一些规律,兹将我们的体会作如下介绍。
The main coal-bearing strata of the coal measure strata in the exploration area are Xia Laoshan section and Wang Panli section. The Lower Ranshan sub-grade rock has stable rock formation, simple structure and good physical properties. The physical property of the strata does not change much and the stratified thickness is based on a sufficient level. On the contrary, the Wang Pryuan section has complicated stratums, multiple thin and unstable seams, and poor physical properties. Based on our predecessors’ work, we have given full play to the role of the existing geologic logging data and compared the well logging curves in this exploration area carefully to find some rules. We will introduce our experience as follows.