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延长油田近年来在三叠系延长组长10层不断获得新发现,该层位已成为后期增储上产的重要接替层位之一。作者精确编制了长10层顶面构造图,研究构造对油藏的控制作用;根据岩石类型、岩石结构、测井资料等综合判识沉积环境,划分沉积相类型并研究其空间展布;绘制了砂体展布图并对展布特征进行了分析;分析了储层岩石类型、孔隙类型、物性特征和油藏特征;通过上述研究分析,可对后期勘探具有一定的指导意义。
In recent years, the Yanchang Oilfield has continuously obtained new discoveries in the 10th member of the Yanchang Formation in the Triassic. This layer has become one of the important successional layers for increasing production and increasing reserves in the later period. Based on the rock type, rock structure and well logging data, the author comprehensively computes the top tectonic map of 10 long layers and studies the tectonic controls on the reservoir. The authors comprehensively identify the sedimentary environment and classify the sedimentary facies and study their spatial distribution. The distribution of sand body is analyzed and the characteristics of the distribution are analyzed. The rock type, pore type, physical property and reservoir characteristics of reservoir are analyzed. Through the above analysis, it is of guiding significance for later exploration.