收稿日期: 2011-08-29
修回日期: 2011-10-21
网络出版日期: 2011-12-10
基金资助
国家科技重大专项“高压低渗气层水平井钻井保护技术”(编号:2011ZX05022-004-02)资助.
Study on Formation Damage and Fractal Feature of Pore Structure
Received date: 2011-08-29
Revised date: 2011-10-21
Online published: 2011-12-10
谢晓永,郭新江,蒋祖军,孟英峰,康毅力 . 储层孔隙结构分形特征与损害研究[J]. 天然气地球科学, 2011 , 22(6) : 1128 -1132 . DOI: 10.11764/j.issn.1672-1926.2011.06.1128
The pore structure characteristics which tested by bubble pressure method,including many internal and external factors of formation damage,can reflect the flowing distribution of connected throats. We use fractal dimension to describe the pore structure and study on the relationship between fractal dimension and formation damage through experiments. The results show that the greater the fractal dimension,the higher water blocking damage and stress sensitivity.
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