lithology distribution

基本解释

Gudao oilfield has so loose a lithology that the distribution of oil and water can't be identified by means of the conventional coring method.
孤岛油田岩性极为疏松，用常规钻井取心的办法不能较好地分析和认识油层的油水分布规律。
These plots reflect law of lithology distribution, and can be used to accuratelydiscern igneous rock types and to determine the lithology trend.
这两个图版有较强的岩类分布规律，能够精确鉴别火成岩岩类和了解岩类变化趋势。
According to the basic geological condition such as the coal cave data collected in-site and the strata lithology, the distribution rule and characters of the coal cave are analyzed.
本文先从基本地质条件入手，根据现场调查收集的煤洞资料及与地层岩性的关系，分析了煤洞的空间分布规律与特征。