石油勘探与开发 >

2020 , Vol. 47 >Issue 6: 1149 - 1158

DOI: https://doi.org/10.11698/PED.2020.06.08

油气勘探

地震波形指示反演方法及其应用

  • 陈彦虎 ,
  • 毕建军 ,
  • 邱小斌 ,
  • 陈有兵 ,
  • 杨辉 ,
  • 曹佳佳 ,
  • 邸永香 ,
  • 赵海山 ,
  • 李志向
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  • 1.北京中恒利华石油技术研究所,北京 100102;
    2.中国矿业大学（北京）,北京 100083
陈彦虎（1982-）,男,河北保定人,博士,北京中恒利华石油技术研究所高级工程师,主要从事地震储集层预测方法研究。地址：北京市朝阳区望京融科中心A座901室,邮政编码：100102。E-mail：32568750@qq.com

收稿日期: 2020-03-21

  修回日期: 2020-11-04

  网络出版日期: 2020-11-27

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A method of seismic meme inversion and its application

  • CHEN Yanhu ,
  • BI Jianjun ,
  • QIU Xiaobin ,
  • CHEN Youbing ,
  • YANG Hui ,
  • CAO Jiajia ,
  • DI Yongxiang ,
  • ZHAO Haishan ,
  • LI Zhixiang
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  • 1. PEGETE Group Inc, Beijing 100101, China;
    2. China University of Mining and Technology (Beijing), Beijing 100083, China

Received date: 2020-03-21

  Revised date: 2020-11-04

  Online published: 2020-11-27

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摘要

针对陆相盆地储集层厚度小、横向变化大,而实际生产对地震分辨率精度要求越来越高的情况,在分析地震沉积学技术特点的基础上,提出了地震波形指示反演方法。该方法通过地震波形动态聚类分析,建立地震波形结构与高频测井曲线结构的映射关系,提高了反演结果的纵向分辨率和横向分辨率;通过构建不同地震相类型的贝叶斯反演框架,实现了真正意义上的相控反演。正演模型验证结果表明,地震波形指示反演可以实现3 m厚度的薄互层精细预测,证明了方法的合理性和反演结果的高精度。大庆长垣应用实例表明,地震波形指示反演对薄互层的识别精度可达2 m,反演结果与钻井的吻合率超过80%。地震波形指示反演能够提高储集层预测精度,为陆相盆地薄互层识别提供了借鉴和参考。图12参22

关键词： 地震反演; 地震波形指示反演; 相控反演; 储集层预测; 大庆长垣; 薄互层

本文引用格式

陈彦虎 , 毕建军 , 邱小斌 , 陈有兵 , 杨辉 , 曹佳佳 , 邸永香 , 赵海山 , 李志向 . 地震波形指示反演方法及其应用[J]. 石油勘探与开发, 2020 , 47(6) : 1149 -1158 . DOI: 10.11698/PED.2020.06.08

Abstract

Under the condition of thin interbeds with great lateral changes in terrestrial basins, a seismic meme inversion method is established based on the analysis of seismic sedimentology technology. The relationship between seismic waveform and high-frequency well logs is established through dynamic clustering of seismic waveform to improve the vertical and horizontal resolution of inversion results; meanwhile, by constructing the Bayesian inversion framework of different seismic facies, the real facies controlled inversion is realized. The forward model verification results show that the seismic meme inversion can realize precise prediction of 3 m thick thin interbeds, proving the rationality and high precision of the method. The application in the Daqing placanticline shows that the seismic meme inversion could identify 2 m thick thin interbeds, and the coincidence rates of inversion results and drilling data were more than 80%. The seismic meme inversion method can improve the accuracy of reservoir prediction and provides a useful mean for thin interbeds prediction in terrestrial basins.

Key words： seismic inversion; seismic waveform inversion; facies controlled inversion; reservoir prediction; Daqing placanticline; thin interbeds

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