达啦戈纳煤矿258井田瓦斯地质分析

摘要

The paper analyzes gas geology of 258 mine field in Dalagena Colliery ,which is divided into three gas area:a low gas zone ,a possible high gas zone and a possible high gas outburst zone .%对达啦戈纳煤矿先期开采的258井田进行瓦斯地质分析，并初步划分258井田三个瓦斯区：一个低瓦斯区、一个可能高瓦斯区和高瓦斯可能突出区。