松辽盆地次生岩性圈闭包括岩性上倾尖灭圈闭、成岩圈闭、致密储层圈闭以及泥岩裂缝圈闭等类型。
Songliao Basin is a secondary lithologic trap including lithologic updip pinch out trap, diagenetic trap, tight reservoir trap and mud stone fracture trap.
高邮凹陷的隐蔽圈闭主要有四种类型，即断层岩性圈闭、透镜体圈闭、砂岩上倾尖灭圈闭和地层超覆圈闭。
There are four types of subtle traps in Gaoyou sag, Which is fault-lithologic trap, sandstone up pinchout trap, lens trap and stratigraphic onlap trap.
岩性尖灭线的识别与刻画，一直是隐蔽圈闭描述的难题。
The identification and characterization of lithologic pinch-out boundary is always a problem in the description of subtle traps.
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