刘杰,秦成岗,张忠涛,刘道理,王秀玲,徐徽,屈亮,徐乐意
LIU Jie, QIN Cheng-gang, ZHANG Zhong-tao, LIU Dao-li, WANG Xiu-ling, XU Hui, QU Liang, XU Le-yi
摘要:
番禺地区B目标主要目的层是发育在SQ21.0层序陆架坡折带上的低位楔三角洲砂体,其单层厚度薄\,横向变化快。针对该区地震资料分辨率低、砂体尖灭边界较难落实的问题,从具有典型沉积特征的地震剖面入手,建立地质地球物理模型,并通过模型参数的正演,探讨了砂体顶部钙质高速层以及不同泥岩隔层厚度下的砂体尖灭响应特征;在此基础上应用属性分析和叠前同步反演等技术对砂体尖灭线进行了精细描述;最后结合实际资料和钻探结果的检验,进一步证实了该技术组合的有效性。
中图分类号:
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