Abundant gas resources are accumalated in the shallow strata above 1500m depth of Subei Basin. Zhouzhuang and Xiqiao gas field have been found in Yancheng Formation of Neogene.

• 苏北盆地深度小于1500m的浅层天然气资源丰富,已在新近系盐城组发现周庄气田和溪桥气田,在古近系阜宁组发现刘庄气田。