惠民凹陷商河地区沙一段发育多层碳酸盐岩沉积。
Many layers of carbonate rock deposition existed in the first member of Shahejie formation in Shanghe area of Huimin sag.
从构造及沉积背景出发，分析了惠民凹陷西部沙四段油气的成藏条件。
According to tectonic and sedimentary characteristics, the petroleum reservoir forming conditions of the fourth member of Shahe-jie Formation in the west Huimin Depression are discussed.
惠民凹陷沙三段沉积时期存在南部和北部两大物源体系。
Both the southern and northern provenance systems in Huimin depression existed during the depositional period of Es3.
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