Chinese Standard: GB/T 23250-2009

The direct method of determining coalbed gas content in the mine

中国煤炭工业协会

本标准规定了井下直接测定煤层瓦斯含量的采样方法、解吸瓦斯量测定方法、损失瓦斯量补偿方法、残存瓦斯量测定方法及煤层瓦斯含量的计算方法。
本标准适用于煤矿井下利用解吸法直接测定煤层瓦斯含量。
本标准不适用于严重漏水钻孔、瓦斯喷出钻孔及岩芯瓦斯含量测定。

This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address