许松,
唐晓明,
苏远大,
庄春喜^,
中国石油大学(华东)地球科学与技术学院, 青岛 266580

基金项目: 国家自然科学基金（41474101，41474092，41604109）；国家重点基础研究发展计划973项目（2014CB239006）；山东省自然科学基金（ZR2014DL009）；中央高校基本科研业务费专项资金（16CX06040A）资助


详细信息

作者简介: 许松, 男, 1990年生, 博士生, 主要从事声波测井方法、资料处理及岩石物理等方面的研究工作.E-mail:xusongupc@sina.com

通讯作者: 庄春喜, 男, 1982年生, 实验师, 主要从事声波测井数据处理及软件开发.E-mail:zhuangchunxi@sina.com

中图分类号: P631

收稿日期:2018-01-16
修回日期:2018-10-10
上线日期:2018-12-05

Determining formation shear wave transverse isotropy jointly from borehole Stoneley-and flexural-wave data

XU Song,
TANG XiaoMing,
SU YuanDa,
ZHUANG ChunXi^,
School of Geosciences & Technology, China University of Petroleum, Qingdao 266580, China



More Information

Corresponding author: ZHUANG ChunXi,E-mail:zhuangchunxi@sina.com

MSC: P631

--> Received Date: 16 January 2018
Revised Date: 10 October 2018
Available Online: 05 December 2018


摘要
摘要:利用声波测井获取地层各向异性已成为储层油气评价的一项重要的课题.本文提出了一种单极和偶极振型联合反演地层各向异性的阵列声波处理方法，采用VTI（vertical transversely isotropic）介质斯通利波和弯曲波频散特征，分频段联合求取各向同性面内剪切模量，反演精度相比于传统方法得到了提高；研究了一种同时适用于单极和偶极声波测井的仪器标定方法，消除了仪器对井孔声传播的影响.通过对数值模拟数据的处理和现场测井数据的应用，验证了新方法的正确性和有效性.本文工作为利用阵列声波测井资料评价横观各向同性地层中横波速度的各向异性提供了有效的处理方法.
关键词: 各向异性/
阵列声波/
联合反演/
仪器标定/
处理方法

Abstract:It has been playing an increasing important role in the exploration and production of shale resources that how to evaluate seismic wave anisotropy using borehole measurements. We have developed a joint inversion method for multipole acoustic data processing to simultaneously determine formation shear wave transverse isotropy and vertical shear wave velocity (or C₄₄ and C₆₆). By jointly combining the Stoneley and flexural wave dispersion data of different frequency band, we finally improve accuracy of the inversion. Meanwhile, this study presents a multipole calibrating method of the tool compliance to eliminate the influence of acoustic logging tool. Further, the new technique was tested on synthetic waveform data and the field acoustic logging data. This study presents an effective technology for obtaining formation shear wave anisotropy.
Key words:Wave anisotropy/
Acoustic array/
Joint inversion/
Tool calibration/
Processing method



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