重力流水道砂体孔隙演化特征与质量预测——以歧口凹陷歧南斜坡区沙一中亚段为例

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MU Liangang^①, ZHAO Liang^②, QU Yanling^②, WANG Na^①, ZHOU Fengchun^①, LIU Huifang^①