In order to study the origin of the natural gas, this paper conducts a series of thermal simulation, finds that carbonate sulfate and chlorate can increase the hydrocarbon gas yield.

• 为了查明民丰地区深层天然气成因，采用高压釜封闭体系实验模拟了高成熟盐湖相烃源岩的天然气生成过程。