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泌阳凹陷白云岩发育于深凹区核二段及核三段上亚段 ,形成于浅湖相和较深湖相环境 ,岩石类型以泥质白云岩、铁白云岩为主 ,成岩过程中发生了压实、溶解、充填及成岩破裂等作用 ,形成了以溶蚀孔洞为主的储集空间 ,与多种类型的裂缝相配置 ,构成互为连通的孔洞缝网络体系 ,形成白云岩油气藏的主要储集层。白云岩沉积规模较大 ,且油源丰富 ,具有较大的勘探潜力。
The dolomite in Biyang sag is developed in the upper member of the second member and the third member of the Upper Member of the Third Member in the deep depression, and is formed in shallow lacustrine facies and deeper lacustrine facies. The types of rocks in the Biyang Depression are dominated by dolomitic dolomite and iron dolomite. During diagenesis Compaction, dissolution, filling and diagenesis occurred, forming a reservoir mainly dominated by dissolved pores, which was arranged with various types of fractures to form a network of interconnected pore networks that formed dolomite reservoirs The main reservoir. Dolomite sedimentary larger scale, and rich in oil, with greater exploration potential.