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研究了测井资料及各种盖层测井参数，总结出了浊积岩地层常见的几类盖层的电性特征。利用灰色关联分析和盖层封闭机理，将每类盖层的各种参数有机地结合起来，对盖层封闭能力进行定量评价。并将该方法用于研究辽河西部凹陷冷４３块浊积岩盖层封闭能力，在实际应用中对油田的生产实践起了指导作用，取得了很好的应用效果。
Log data and various logging parameters are studied, and the electrical characteristics of several types of caprocks commonly found in turbidite strata are summarized. Based on the gray relational analysis and the capping mechanism, the various parameters of each capping layer are organically combined to quantitatively evaluate the capping ability. The method is used to study the sealing ability of cold 43 cap rocks in the western part of Liaohe depression. It has played a guiding role in the practice of oilfield production and has achieved good application results.