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目前中国正处于煤层气开发大发展前期,迫切需要对中国煤层气资源,特别是作为基本单元的含气带资源状况与地质条件进行分析和评价。在对中国煤层气资源特点进行简要分析的基础上,再选择资源密度、煤层气资源量、含气量这3个参数作为煤层气含气带评价排序的分析指标,在评价排序中首先对指标进行处理,给出了不同指标性质的指标处理函数,并设计了限值约束条件;然后采用矩阵综合决策方法(加权平均法)对划定的56个含气带进行综合评价和排序,最后给出了关于煤层气含气带应优先考虑的重点区域的建议:根据资源状况排序分析,最好的资源条件基本分布在冀鲁豫皖和晋陕蒙含气区内。
At present, China is in the early stage of development of coalbed methane development. It is urgent to analyze and evaluate the CBM resources in China, especially the gas resources and geological conditions as the basic unit. On the basis of a brief analysis of the characteristics of CBM resources in China, three parameters of resource density, CBM resources and gas content are selected as the analysis indexes of CBM evaluation and ranking. In the evaluation ranking, Then the index processing functions of different indexes are given, and the constraint conditions of the limits are designed. Then the comprehensive evaluation and sorting of the 56 gas-bearing belts are carried out by using matrix comprehensive decision method (weighted average method) According to the rank order of resource status, the best resource conditions are basically distributed in the gas-bearing areas of Hebei, Shandong, Henan and Shanxi provinces.