基于鸡西盆地JMC1井的煤层气储层特征分析

    Analysis of Coalbed Methane Reservoir Characteristics Based on JMC1 Well of Jixi Basin

    • 摘要: 以鸡西盆地梨树矿区JMC1井14煤为研究对象,分析了储层特征及其相互关系,结合煤储层特征对煤层气开发的影响提出了适合14煤煤层气开发的建议。研究结果表明:JMC1井14煤具煤体结构完整、含气量较高、中厚层、储层压力高等特征,中渗及煤体结构完整使得该煤具有注水压裂的充要条件;适合将14煤与上部煤层进行合层套管射孔压裂,与下伏22煤进行分压合采。

       

      Abstract: Taking 14 coal in JMC1 well in Jixi basin Lishu Mining Area as the research object, by anlyzing the reservoir characteristics and their mutual relations, the reservoir characteristics are studied in order to propose development suggestions for 14 coal and coalbed methane. The results show that 14 coal in JMC1 well has the characteristics of complete coal structure, medium bed, higher gas content, high reservoir pressure, etc. Fracturing technology is available in the well because of the characteristics of the medium permeability and complete coal structure. It is suitable to carry out well-case perforating fracturing of 14 coal seam with the upper coal reservoir and separate pressure production with underlying 22 coal seam.

       

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