海拉尔盆地具有多煤阶煤分布。煤系源岩生、排烃数据反映 :最好的煤层是南上段 ,其次是大上段 ;最有利的煤系泥岩是铜钵庙组与南屯组。各凹陷煤系源岩生气量大小顺序为 :呼和湖凹陷 >贝尔凹陷 >乌尔逊凹陷 >呼伦湖凹陷。各凹陷煤系源岩生油量多少顺序为 :乌尔逊凹陷 >呼和湖凹陷 >贝尔凹陷 >呼伦湖凹陷。煤系源岩排油量大小顺序为 :乌尔逊凹陷、贝尔凹陷、呼和湖凹陷、呼伦湖凹陷。可见 ,乌尔逊凹陷、贝尔凹陷、呼和湖凹陷具有良好的煤成油气勘探前景 ,是海拉尔盆地寻找煤成气、煤成油资源不可忽视的有利地区 Hailaer Basin with coal rank distribution of coal. Coal-derived source rock production and hydrocarbon expulsion data reflect that the best coal seam is the upper part of the south, followed by the upper part, and the most favorable coal-measure mudstone is the Tongbomiao Formation and Nantun Formation. The sequence of gas genesis of source rock of each depression is Huhehu Sag> Beier Sag> Wuerxun Sag> Hulun Lake Sag. The sequence of oil production in the coal measures of the depression is Wuerxun depression> Huhehu depression> Beier sag> Hulun depressions. Coal-derived source rock oil discharge order of magnitude: Wuerxun depression, Bell depression, Huhehu depression, Hulun Lake depression. It can be seen that the Wuerxun depression, the Beier depression and the Huhehu depression have a good prospective prospect of coal-to-oil gas exploration, which is a favorable area that the Hailar Basin can search for coal-formed gas and coal-derived oil resources that can not be ignored