Characterization of Brazilian tight gas sandstones relating permeability and Angstrom-to micron-scale pore structures
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- 作者：Mayka Schmitta ; maykadole@yahoo.com.br" class="auth_mail" title="E-mail the corresponding author ; Celso Peres Fernandesa ; Fabiano G. Wolfb ; José ; A. Bellini da Cunha Netoa ; Christoffer P. Rahnera ; Viviane Sampaio Santiago dos Santosc
- 关键词：Tight gas sandstones ; Angstrom-to micron-scale pore structure characterization ; Pulse-decay permeability and stress-dependence ; Klinkenberg corrections ; Nitrogen gas adsorption and mercury intrusion capillary pressure combination
- 刊名：Journal of Natural Gas Science and Engineering
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：27
- 期：part_P2
- 页码：785-807
- 全文大小：7639 K
文摘
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Angstrom-to micron-scale pore structures characterization combining N2GA and MICP.
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Investigation of the implications of N2 adsorption and desorption branches in PSD results.
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Investigation of the BJH, D-H and DFT models and BET and Langmuir theories to achieve porosity and specific surface area.
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Dependency of effective stress and Klinkenberg slippage factors for PDP measurements.
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Estimation and validation of intrinsic permeability.