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北碚区为重庆市煤层气资源富集的重点区域之一,但该区域煤层分布具有多层性。基于对该区域全区可采的三层煤进行采样分析,对比各煤层的煤岩特征、化学特征及含气性特征,综合评价了研究区煤层气煤储层层间非均质性。
Beibei District is one of the key areas for CBM resource enrichment in Chongqing, but the coal seam distribution in this area is multi-layered. Based on the sampling and analysis of the recoverable three layers of coal in this area, the coal-rock characteristics, chemical characteristics and gas-bearing characteristics of each coal seam are compared and the inter-layer heterogeneity of coalbed methane reservoirs is comprehensively evaluated.