Imaging of Rock Pores by X-ray Computed Tomography

被引：0
|
作者：
Nakashima, Yoshito [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Tokyo, Japan
来源：
JOURNAL OF GEOGRAPHY-CHIGAKU ZASSHI | 2005年 / 114卷 / 06期
关键词：
permeability; pore; porosity; porous rock; tortuosity; X-ray computed tomography (CT);
D O I：
暂无
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Three-dimensional measurements of the complex shapes of pores in porous rocks are essential for quantitative discussions of material transport in strata. X-ray computed tomography (CT) visualizes the three-dimensional distribution of X-ray linear absorption coefficients of rock samples, and is a useful non-destructive technique for measuring pore shape. Some examples of the application of X-ray CT to rock pore imaging are shown to facilitate petrophysical CT studies in Japan. The 3-dimensional pore images were obtained for sandy sediment, rhyolitic/andesitic lavas, and sandstone. Pore connectivity analysis and tortuosity estimate were demonstrated using sandstone image data.
引用
收藏
页码：1032 / 1043
页数：12
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