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Author:
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Year:
Volume:
Issue:
ruo dan xing ge xiang yi xing he guan bo
Author(s):
a.n.norris
Pages:
82
Year:
1994
Issue:
3
Journal:
Progress in Exploration Geophysics
Keyword:
弹性各向异性
;
横向各向同性地层
;
等效各向同性
;
各向异性地层
;
反演方法
;
弹性常数
;
弹性特性
;
切变模量
;
参数相关
;
角度倾斜
;
Abstract:
<正> 弱各向异性地层中的管波速度能用一个等效各向同性地层的有效切变模量表示。当综合表达沿钻孔轴向的SH波和拟SV波的速度时,能获得一个简单的反演方法来决定与钻孔轴向成某一已知角度倾斜的横向各向同性地层的五种弹性常数中的三种。其次,能从沿钻孔轴向的qp波速度的表达中估算第四种组合弹性模量。本文基于两种各向异性参数相关假设讨论了测定横向各向同性地层所有五种弹性特性的可能性。
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