马朗凹陷是三塘湖盆地的一个二级构造带，侏罗系是盆地内主要含油层位。
Malang Depression is a secondary structural belt of Santanghu basin, Jurassic Series is the main oil and gas reservoir of the basin.
该凹陷分为5个二级构造带，沉积地层以第三系为主，主要烃源岩为始新统平湖组煤系。
The sag can be divided into 5 secondary tectonic belts, the main sedimentary formation is Tertiary and the main source rock is Pinghu coal measures of Eocene.
济阳坳陷“古潜山”圈闭体系按二级构造带可划分为高潜山油气藏体系、中潜山油气藏体系和低潜山油气藏体系。
"Buried hill" trap system of Jiyang depression can be divided into high, medium and low reservoir system of buried hill according to secondary structure.
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