These research results are a part of the National Key Foundation Research Development an d Plan ning Program of China(No.2002CB2ll702);National Natural Science Foundation of China(No.40272069)
The coalbed methane (CBM) resources in North China amounts up to 60% of total resources in China. North China is the most important CBM accumulation area in China. The coal beds of the Upper Paleozoic Taiyuan and Shan...