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煤层气藏与常规天然气藏相比，在成藏条件、高产富集规律、开采方式等方面都有其独特性。中国石油开展煤层气勘探及相关研究工作10余年，通过对目标区优选及前期抽排试验，证实沁水煤层气田资源丰富。本文就该煤层气田地理环境、资源概况、基本地质特征、开发工艺技术、开发方案优选以及市场需求等进行了论述；通过对沁水煤层气田樊庄区块进行经济评价，得出结论：樊庄区块具有良好的开发前景及经济效益。

Economic Evaluation of Coal-bed Gas Development in Fanzhuang Block,Qinshui Coal-bed Gas Field

Comparing with conventional gas reservoirs,coal-bed gas reservoirs have special features on reservoir-forming conditions,enrichment law,and recovering way,etc. CNPC has conducted coal-bed gas exploration and relative research work for more than 10 years. With optimization of prospects and early production tests,it is proved Qinshui coal-bed gas field has rich resource. The article describes the geographic environment,the resource situation,the basic geological features,the recovering techniques,and the development program optimizing of the coal-bed gas field,and the market demand,etc. By the economic evaluation of Fanzhuan block,Qinshui coal-bed gas field,it is verified Fanzhuan block has bright development future and attractive economic benefit.