On the basis of different lithotype of coal and coal samples analysis, the ability for hydro-carbon generating and pie-cursor of bright type coal are better than that of dull type coal.

• 镜质组含量与生烃潜量具有明显的正相关关系，煤中丰富的镜质组是主要的成烃母质。不同煤岩成分和类型的研究结果表明，亮型煤生烃性能最好，母质最优；暗型煤生烃性能及母质较差。