Measurements of Non-Wetting Phase Trapping Applied to Carbon Dioxide Storage
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We measure the trapped non-wetting phase saturation as a function of the initial saturation in sand packs. The application of the work is for carbon dioxide (CO2) storage in aquifers where capillary trapping is a rapid and effective mechanism to render injected CO2 immobile. We used analogue fluids at ambient conditions. The trapped saturation initially rises linearly with initial saturation to a value of 0.11 for oil/water systems and 0.14 for gas/water systems. There then follows a region where the residual saturation is constant with further increases in initial saturation.
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Al-Mansoori, S.; Iglauer, Stefan; Pentland, C.; Blunt, M. (2009)We measure the trapped saturations of oil and gas as a function of initial saturation in water-wet sand packs. We start with a water-saturated column and inject octane (oil), while water and oil are produced from the ...
Amaechi, B.; Iglauer, Stefan; Pentland, C.; Bijeljic, B.; Blunt, M. (2014)The trapped saturations of oil and gas are measured as functions of initial oil and gas saturation in water-wet sand packs. Analogue fluids—water, octane and air—are used at ambient conditions. Starting with a sand-pack ...
Al-Mansoori, S.; Iglauer, Stefan; Pentland, C.; Blunt, M. (2009)We perform a series of experiments in water-wet sand packs to measure the trapped saturations of oil and gas as a function of initial saturation. We start with brine-saturated columns and inject octane (oil) to reach ...