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小回沟井田煤层对比中标志层特征研究

         

摘要

为研究山西小回沟井田内6层可采煤层的层号以及层位空间分布赋存规律,从岩性标志层、测井曲线特征、煤层层间距、煤质特征、煤层结构及顶底板岩性等方面简要阐述了各对比方面的特点,综合对比研究了井田内煤层层位和厚度情况.结果表明:小回沟井田内的2、8和9号煤层为全区稳定可采煤层层位和厚度均稳定,对比结果可靠;井田内的03、6号煤层大部可采,5号煤层局部可采的,这3层煤层位较稳定,厚度基本稳定,对比结果基本可靠.%In order to study the seam numbers of the six mineable seams in Xiaohuigou Minefield and the distribution deposition law of the seam location space,from the lithological symbol layer,the logging curve features,the seam spacing of the seams,the coal quality features,the seam structure,the roof and floor lithology and other aspects,each compassion method features were briefly stated and the comprehensive compassion study was conducted on the layer location and thickness of the seams in the minefield.The results showed that No.2,No.8 and No.9 seams in Xiaohuigou Minefield were the stable and mineable seams in the full area,the layer location and thickness were stable and the compassion results were reliable.The most part of No.3 and No.6 seams within the minefield were mineable and No.5 seam would be mineable partially.The layer location of the three seams was table,the thickness of the three seams was stable basically and the compassion results were reliable basically.

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