沁水盆地樊庄区块构造对煤层气富集的控制作用

Control Action of Structure in Fanzhuang Block of Qinshui Basin on Coal-bed Gas Field Enrichment

在对樊庄区块褶皱形成力学机制研究基础上,从煤层气藏构造演化史的角度,结合樊庄区块煤层气排采实际资料,建立了沁水盆地樊庄区块三种类型煤层气成藏模式,即原生型、调整型和改造型,其中改造型又可分为原生改造型和调整改造型,旨在研究沁水盆地樊庄区块构造对煤层气富集的控制作用,为认识局部微小构造对煤层气藏的控制作用提供参考。本区煤层气开发实践表明,不同成因的气藏宜采用相应的勘探开发策略。

Based on mechanical mechanism of fold formation in Fanzhuang block,Qinshui basin and from the viewpoint of the history of coal-bed gas field structure evolution and also combining with the actual data of coal-bed gas field mining in the block,three types of coal-bed gas field enrichment modes were established,i.e.primary type,revise type and reform type of which the reform type can be divided into primary reform type and revise reform type,aiming at the study of the control action of the structure in Fanzhuang block,Qinshui basin on coal-bed gas field enrichment.The practice of the coal-bed gas field exploitation in this area indicated that different gas reservoirs should be explored and exploited with different strategies,providing the reference for the study of control action of partial small structures on the coal-bed gas field reservoir.