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利用钻井和地震资料,评价和预测了海拉尔盆地呼和湖凹陷煤层的空间分布规律、煤层厚度及煤的地质储量,研究了煤层的吸附性能,结合煤层含气量参数,预测了凹陷内的煤层气资源量约为7.43×1011m3,占整个海拉尔盆地煤层气资源量的68.83%。与美国已进行过成功煤层气勘探开发的含煤盆地对比表明,呼和湖凹陷的煤层气潜力值得重视。
Based on the drilling and seismic data, the spatial distribution of coal seams, the thickness of coal seams and the geological reserves of coal in Huhehu depression of Hailaer Basin were evaluated and predicted. The adsorption properties of coal seams were studied. Combined with the parameters of gas content in coal seams, the CBM Resource is about 7.43 × 1011m3, accounting for 68.83% of the total CBM resources in Hailaer Basin. The comparison with the coal-bearing basins in the United States that have been successful in exploration and development of coalbed methane shows that the potential of CBM in Huhehu depression deserves our attention.