浅析首山一井二_1煤层厚度变化规律及影响因素

Simple Explanation on Changeable Law and Influential Factors of Thickness of Ⅱ_1 Coal－ bed in Shoushan No.1 Well

研究了平顶山煤田首山一井勘探区内二 1煤层发育、结构及分岔的情况，分析了二 1煤层厚度变化特点，探讨了影响二 1煤层厚度变化的主要原因是沉积环境所致。

This paper has reviewed the development and structure and split ofⅡ 1 coal－ bed in prospecting area of Shoushan No.1 well of Pingdingshan coalfield, and analysed changeable properties ofⅡ 2 coal－ bed thickness, and considered that main reason of changes may be sedimentary environment.