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Classification of Adsorption Isotherm Curves for Shale Based
In the study of shale gas reservoirs, the characteristics of pore structure can be determined according to the shape of the adsorption isotherm curve. When applying conventional classifications known as the Brunauer-Deming-Deming-Teller (BDDT), de Boer, and International Union of Pure and Applied Chemistry (IUPAC) classification to categorize adsorption isotherm curves for shale, these classifications can’t accurately demonstrate pore structure in different shale reservoirs. Based on the characteristics of pore structure in shale, we chose pore shape, pore size, and pore-throat sorting as parameters to study changes in adsorption isotherm curves due to different grades of these three parameters. We then generated 27 types of adsorption isotherm curves to match the corresponding characteristics of the pore structure in shale. This new classification method is applied to categorize 101 adsorption isotherm curves measured by shale samples and analyzes the characteristics of pore structure. In a comparison of analysis results from other methods, this new classification method is justified to be more practical.
Standard price:
10.00
Discounted price:
1.00
Your price:
10.00
You could save:
90.0%
Quantity:
Quantity is required.
Quantity must be a positive whole number.
Author(s):
Yuanyuan Tian, Qing Chen, Changhui Yan, Hucheng Deng, and Yanqing He
Company(s):
Chengdu University of Technology
Year:
2020
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