岩性油气藏 ›› 2022, Vol. 34 ›› Issue (4): 1321.doi: 10.12108/yxyqc.20220402
周东红, 谭辉煌, 张生强
ZHOU Donghong, TAN Huihuang, ZHANG Shengqiang
摘要: 渤海油田浅层新近系复合河道砂体为重要储层。通过莱北地区垦利6-1亿吨级油田的井-震联合资料,开展道集优化处理,提高叠前道集保幅性,并进行了薄互层砂体地震精细描述及流体检测研究。研究结果表明:①低频约束的时频空间域AVO校正方法有效提升了研究区叠前道集的AVO保幅性。②三维砂地比约束的分频迭代随机反演技术实现了研究区新近系复合砂体叠置关系的精细刻画和储层厚度的准确计算。③三元约束流体检测技术可削弱非烃异常影响,增强地震流体异常与构造高低信息的匹配度,大幅提高了研究区地震流体检测的吻合率,从而提高了岩性油气藏勘探的成功率。
中图分类号:
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