岩性油气藏 ›› 2019, Vol. 31 ›› Issue (2): 7582.doi: 10.12108/yxyqc.20190209
刘为, 杨希冰, 张秀苹, 段亮, 邵远, 郝德峰
LIU Wei, YANG Xibing, ZHANG Xiuping, DUAN Liang, SHAO Yuan, HAO Defeng
摘要: 重力流沉积体系已成为南海西部重点勘探领域。为系统开展莺歌海盆地东部黄流组重力流沉积体系成因及控制因素研究,利用钻井、测井、地震资料,通过位移-距离法、3Dmove古构造恢复等技术方法,对盆地东部中新世黄流组坡折类型、物源供给通道、盆地沉降等方面进行了综合研究。结果表明,盆地东部边缘走滑转换带大型沟谷发育,控制了主物源注入通道;挠曲坡折处坡度加大促发了重力流形成;大规模海平面下降与凹陷内异常沉降作用耦合控制了低位域重力流砂体分布;盆内底辟活动改变了微古地貌格局,从而影响了重力流沉积卸载位置。该成果认识为LD10-F井厚层砂岩气藏发现提供了理论支持。
中图分类号:
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