张培河
ZHANG Pei-he (Xi′an Branch

• 1:煤炭科学研究总院西安分院 陕西西安710054

摘要(Abstract)：

以鄂尔多斯盆地侏罗系为例,分析了低变质煤的煤层气地质特征、保存条件、主要储层参数的分布特征以及煤层气资源状况。鄂尔多斯盆地侏罗系煤的变质程度低,煤层发育层数多、厚度大,水文地质条件有利,煤层气资源条件优越。与美国粉河盆地对比,鄂尔多斯盆地侏罗系煤层气具有一定的开发潜力。中国低变质煤分布广泛,煤炭及煤层气资源量巨大,煤层气地质条件优越。但其勘探程度较低,应进一步加大勘探力度。
The low rank coal CBM geology,including reserve condition,reservoir parameters and resource,is discussed in a case of Jurassic formations in Ordos Basin.Through this study it is indicated that the Jurassic formations' coals in Ordos Basin are characterized by low rank,more coal bed targets,big thickness,favorable hydrological condition and resource.Contrasted with the CBM geological setting in Powder River basin in America,the Jurassic formations in Ordos Basin has certain development potential.It is known that the low rank coal CBM development is successful in America,and in China there is the extensive low rank coal distribution,the vast coal and CBM resource,the favorable geological condition.Therefore it is necessary to put more strengh to explore CBM reservoirs in Ordos Basin.

关键词(KeyWords)： 低煤级;煤层气;开发潜力;鄂尔多斯盆地
low rank coal;CBM;development potential;Ordos Basin

Abstract:

Keywords:

基金项目(Foundation): “十五”国家重大科技攻关项目“中国煤层气富集成藏规律与勘探开发有利地区优选研究”(2001BA605A-07-01);; “973”国这重点基础研究发展规划项目“中国煤层气成藏机制及经济开采基础研究”(2002CB11700)资助

作者(Author): 张培河
ZHANG Pei-he (Xi′an Branch

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