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Supercritical CO2 Permeability in Rock: An Experiment Study

Conference paper

Abstract

Carbon capture and storage projects have traditionally targeted deep sedimentary basins where CO2 is maintained as supercritical state (scCO2). In order to study the permeability of scCO2, a series of tests were conducted by independent research and development of the instrument with related environment variables, including temperature, confining pressure, injection pressure and different types of rocks. Through normalization of the experiment data, the results showed that the permeability of scCO2 increased with the increment of temperature and injection pressure, but with the reduction of confining pressure and effective stress. Besides, silt rock was more sensitive for temperature, while was less sensitive for confining pressure than sandstone. The conclusions summarized above possess instructional significance and referenced value for the siting selection of geological storage.

Keywords

ScCO2 Permeability Temperature Confining pressure Inlet pressure 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  1. 1.Tongji UniversityShanghaiChina

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