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松辽盆地中浅层多属于河流—三角洲、湖泊沉积体系,英86井区P13油层组属于三角洲前缘沉积,其沉积砂体的特征及构造控制了油气分布的规律。通过对P13油层组的地层、构造、沉积微相、储层等特征研究,预测了P13油层组有利含油气区,总结了油气富集的关键因素和油气分布规律。
The middle and shallow layers of the Songliao Basin mostly belong to river-delta and lacustrine sedimentary systems. The P13 reservoir in the Ying 86 well belongs to the delta front deposit. The characteristics and structure of the sedimentary sand body control the laws of oil and gas distribution. Based on the study of the stratigraphy, structure, sedimentary microfacies and reservoirs in the P13 reservoir, the favorable oil and gas zones in the P13 reservoir are predicted, and the key factors of oil and gas accumulation and the laws of oil and gas distribution are summarized.