Shanxi Formation is a set of paralic continental deposit,of which,fluvial,swamp and lacustrine facies alternatively presented regularly.

山西组为一套近海型的陆沉积,其中河流、沼泽及湖有规律交替。

In the paralic zone .there are ample oil and gas resources, moreover, it is the important mothball area and reliver of oil and gas industry to increase reserves and enhance output.

为滩浅海的滨海带,具有丰富的油气资源,是目前油气工业增储上产的重要后备区和接替区。