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孤南洼陷石油地质条件复杂,制约勘探的关键是储层展布和油气成藏规律不清楚,以沙三中为目的层,加强层序与油气的关系、沉积特征及储层预测研究,明确储层的空间展布,继续寻找岩性圈闭,扩大含油气范围。根据储层岩性、物性、电性及地震响应特征对属性参数进行优选,结合沉积相进行储层预测,预测结果表明有利储集相带位于东南斜坡和西南斜坡。
The key geological problems in the Lunnan depression are the restricted reservoir exploration and the hydrocarbon accumulation laws. The purpose of this study is to elucidate the relationship between the sequence and oil and gas, sedimentary characteristics and reservoir prediction, Determine the spatial distribution of reservoirs, continue to search for lithologic traps and expand the hydrocarbon-bearing range. According to reservoir lithology, physical property, electrical property and seismic response characteristic, the attribute parameters are optimized and the reservoir facies is combined with sedimentary facies to predict the reservoir. The prediction results show that the favorable reservoir facies belt is located on the southeast slope and the southwest slope.