Due to far away from the hydrocarbon source rock, oil-gas migration and building-up conditions became the main controlling factor of the formation trap reservoir forming.
由于距离烃源岩较远，油气运移聚集条件成为地层圈闭成藏的主要控制因素。
From the above aspects the research on reservoir forming conditions has been made. The result indicates that the conditions of reservoir, sealing and oil source are good.
从上述几个方面出发，对其成藏条件进行了深入细致的研究，结果表明，该区具备较好的储层、封堵及油源条件。
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.
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。
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