2009
DOI: 10.1016/j.egypro.2009.02.138
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Caprock and overburden processes in geological CO2 storage: An experimental study on sealing efficiency and mineral alterations

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Cited by 50 publications
(36 citation statements)
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“…The decrease in the proportion of clay and carbonate materials resulted in an increase in porosity of the rocks. Similar observations were made by Bertier et al (2006), Credoz et al (2009), Wigand et al (2008 and Wollenweber et al (2009).…”
Section: Discussionsupporting
confidence: 76%
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“…The decrease in the proportion of clay and carbonate materials resulted in an increase in porosity of the rocks. Similar observations were made by Bertier et al (2006), Credoz et al (2009), Wigand et al (2008 and Wollenweber et al (2009).…”
Section: Discussionsupporting
confidence: 76%
“…There were also considerable, different variations in permeability values of sandstone samples and an increase in the mean pore diameters in the case of sandstones which were observed in the results of Rimmelé et al (2009) Nightingale et al (2009), Rimmelé et al (2009), Wollenweber et al (2009 and Xiao et al (2009). After the experiment, almost all the samples contained halite that had crystallised from brine, partly as a result of drying out of the drill core samples saturated with the brine solution.…”
Section: Discussionmentioning
confidence: 73%
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“…Similar results of long term experiments were obtained by other authors, e.g. Fischer et al (2010), Liu et al (2012), Rimmelé et al (2009), Wollenweber et al (2009. This phenomenon is a result of the nature of the rocks as well as partly associated with the relatively low pressure and low temperature of the experiment.…”
Section: Discussionsupporting
confidence: 80%
“…Other tests are necessary to understand the gaseous and supercritical CO 2 effect on the threshold capillary pressure of caprocks. Another important effect to be borne in mind is the modification of rock properties by contact with CO 2 , as shown in [18]. This work reports a significant reduction of the sealing efficiency of samples by repeated CO 2 breakthrough experiments.…”
Section: Threshold Capillary Pressure Estimation From Hpmimentioning
confidence: 72%