Based on the analysis of the reservoir types, the formation mechanism of the reservoir in different period has been discussed.And the lithological reservoir has been studied as a important part.

• 在分析了研究区油气藏类型的基础上,探讨了各时期油气藏的成藏机理,并着重研究了车镇凹陷岩性油气藏的成藏机理。