In Wangzhuan Oilfield, there existed serious sensitivity in Es1 silty sandstone, it caused low efficient production for long time.
王庄油田沙一段粉细砂岩因敏感性严重，导致该油藏长期处于低效开发状态。
By studying sequence stratigraphy systematically, the high resolution sequence stratigraphic framework of Es1 in Hongxing area is established.
通过系统的层序地层学研究，建立了红星地区古近系沙一段的高精度层序地层格架。
Temperature, salty environment, reducing environment and some other control factors on biogas forming, accumulation and preservation of the Es1 in Yangxin Subsag are analyzed.
分析了地层温度、咸化环境和还原环境等因素对阳信洼陷沙一段生物气生成、聚集和保存的控制作用。
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