Characters of distribution and influencing factors about the reservoir pressure in Qinshui Coalfield

Qinshui Coalfield is one of the hotspot of CBM development in China at present.The low reservoir pressure limits the development of CBM.The character of distribuction and influencing factors about the reservoir pressure are analysed in this paper, at the same time, the paper points out the main reasons that cause the low reservoir pressure, which are the simple hydrogeological condition and low pressure in the place.