Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data

doi:10.1007/s12204-013-1395-0

上海交通大学学报（英文版） ›› 2013, Vol. 18 ›› Issue (3): 284-288.doi: 10.1007/s12204-013-1395-0

Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data

GUO Qiang1* (郭强), LIANG Zhi-wei2 (梁志伟), LIAO Zheng-biao3 (廖正彪)

(1. Shanghai Jiaotong University Hike (Group) Co. Ltd., Shanghai 200240, China; 2. Guangzhou Salvage Bureau of the Ministry of Transport, Guangzhou 510260, China; 3. Tianjin Cement Industry Design and Research Institute Co. Ltd., Tianjin 300400, China)

出版日期:2013-06-28 发布日期:2013-08-12
通讯作者: GUO Qiang (郭强) E-mail:guoqiang5000year@163.com

Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data

GUO Qiang1* (郭强), LIANG Zhi-wei2 (梁志伟), LIAO Zheng-biao3 (廖正彪)

(1. Shanghai Jiaotong University Hike (Group) Co. Ltd., Shanghai 200240, China; 2. Guangzhou Salvage Bureau of the Ministry of Transport, Guangzhou 510260, China; 3. Tianjin Cement Industry Design and Research Institute Co. Ltd., Tianjin 300400, China)

Online:2013-06-28 Published:2013-08-12
Contact: GUO Qiang (郭强) E-mail:guoqiang5000year@163.com

摘要/Abstract

摘要： This article firstly proposes two problems related to geological structure inversion with acoustic computed tomography (CT): the results surveyed are different from true stratum layers; the existing acoustic CT inversion methods are based on wave’s travel route and velocity analysis, which is short of comprehensive analysis of the revealed geological data. Then, it puts forward the method of applying the borehole data to revise acoustic CT investigation result through controlling the boundary velocity. This method comprehensively uses acoustic data and borehole data to invert the rock masses’ shear wave speed. Comparing to calculating the rock mass’ wave speed with acoustic data alone, it makes full use of the information, and the results obtained are closer to real stratum. Finally, it applies the method to engineering project and the results gotten with the method are more accurate, which shows the reliability and accuracy of the method.

关键词: borehole acoustic computed tomography (CT), borehole data, velocity correction, minimum path algorithm

Abstract: This article firstly proposes two problems related to geological structure inversion with acoustic computed tomography (CT): the results surveyed are different from true stratum layers; the existing acoustic CT inversion methods are based on wave’s travel route and velocity analysis, which is short of comprehensive analysis of the revealed geological data. Then, it puts forward the method of applying the borehole data to revise acoustic CT investigation result through controlling the boundary velocity. This method comprehensively uses acoustic data and borehole data to invert the rock masses’ shear wave speed. Comparing to calculating the rock mass’ wave speed with acoustic data alone, it makes full use of the information, and the results obtained are closer to real stratum. Finally, it applies the method to engineering project and the results gotten with the method are more accurate, which shows the reliability and accuracy of the method.

Key words: borehole acoustic computed tomography (CT), borehole data, velocity correction, minimum path algorithm

中图分类号:

TV 221

GUO Qiang1* (郭强), LIANG Zhi-wei2 (梁志伟), LIAO Zheng-biao3 (廖正彪). Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data[J]. 上海交通大学学报（英文版）, 2013, 18(3): 284-288.

GUO Qiang1* (郭强), LIANG Zhi-wei2 (梁志伟), LIAO Zheng-biao3 (廖正彪). Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data[J]. Journal of shanghai Jiaotong University (Science), 2013, 18(3): 284-288.

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Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data

Research on Geological Structure Inversion Method with Acoustic Computed Tomography and Borehole Data

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