东营凹陷梁北地区沙二段油气成藏特征

Oil-Gas Reservoir Forming Characteristics of the Second Section of Shahejie Formation in Liangbei Area of Dongying Sag.

房新娜¹,苏永进¹,蒋有录²,陈炳申³

Fang Xinna , Su Yingjin, Jiang Youlu, et al

1.胜利石油管理局石油学校,2. 石油大学,华东,3.胜利油田有限公司纯梁采油厂

Petroleum School , Shengli Petroleum Administration Bureau, SINOPEC, Shandong 257098 , P. R. China

梁北地区沙二段油气藏具有不同于其它相邻地区的成藏特征。在分析梁北地区沙二段油气藏成藏条件的基础上,提出本区沙二段主要油气藏类型为反向屋脊断块遮挡油气藏和断层—岩性复合油藏,且沙二上、沙二下油气成藏特征不相同的观点,总结了该地区沙二段油气成藏模式。

Pools of the second section of Shahejie Formation in Liangbei region have the different forming characteristics in comparison with the other neighboring regions. On the basis of analyzing pools formation conditions ,the paper brings out the main pools’ types in this area ,are contrary fault screened and fault-lithology compounded ;the pools formation character of the upper in the second section of Shahejie Formation are different from the ones of the lower. Finally , it sums the forming patterns of pools formation.