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METHOD OF MONITORING CARBON DIOXIDE LEAKAGE IN CARBON CAPTURE AND STORAGE RESERVOIRS
METHOD OF MONITORING CARBON DIOXIDE LEAKAGE IN CARBON CAPTURE AND STORAGE RESERVOIRS
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机译：监测碳捕获和储存库中二氧化碳泄漏的方法
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摘要
The method of monitoring carbon dioxide leakage in carbon capture and storage reservoirs estimates porosity and water saturation in a porous medium, such as brine-saturated shale, as is common in carbon capture and storage reservoirs, based upon measured electrical conductivity and seismic P-wave velocity. The estimated porosity and water saturation may be used for monitoring carbon dioxide leakage from a carbon dioxide reservoir to the overlying cap rock of the region. Measured electrical conductivity and seismic P-wave velocity data are used by the present method to estimate the porosity and water saturation in the cap rock. If a decrease in water saturation in the cap rock is found, this indicates that carbon dioxide may be leaking up from the carbon dioxide reservoir. An alert signal is then generated to indicate that there may be a carbon dioxide leak.
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