Comparative analysis of shale pore size characterization methods

被引：13
|
作者：
Yang, Xiaoguang [1 ,2 ]
Guo, Shaobin [1 ,2 ]
机构：
[1] China Univ Geosci Beijing, Sch Energy Resources, Beijing, Peoples R China
[2] Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing, Peoples R China
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2020年 / 38卷 / 14期
关键词：
gas adsorption; high-pressure mercury intrusion; nuclear magnetic resonance; pore size distribution; shale pore; AREA;
D O I：
10.1080/10916466.2020.1780258
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The pore size distribution of four shale samples were characterized by and compared between CO(2)adsorption, N(2)adsorption, MIP and NMR. The results show that CO(2)adsorption has an absolute advantage for characterization of pores smaller than 2 nm. N(2)adsorption is reliable for 2-50 nm pore characterization and is superior to NMR in the 2-10 nm range. NMR has advantages for 10-100 nm pore characterization, and MIP has advantages for characterization of pores larger than 100 nm. NMR offers the widest range of observations, and order of the maximum resolution of these methods is CO(2)adsorption > N(2)adsorption > NMR > MIP.
引用
收藏
页码：793 / 799
页数：7
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