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Pore-To-Continuum Multiscale Modeling Of Two-Phase Flow In Porous Media, Qiang Sheng
Pore-To-Continuum Multiscale Modeling Of Two-Phase Flow In Porous Media, Qiang Sheng
LSU Doctoral Dissertations
Abstract Pore-scale network modeling using 3D X-ray computed tomographic images (digital rock technology) has become integral to both research and commercial simulations in recent years. While this technology provides tremendous insight into pore-scale behavior, computational methods for integrating the results into practical, continuum-scale models remain fairly primitive. The general approach is to run pore-scale models and continuum models sequentially, where macroscopic parameters are simulated using the pore-scale models and then used in the continuum models as if they have been obtained from laboratory experiments. While a sequential coupling approach is appealing in some cases, an inability to run the two …
Thermal, Compositional, And Salinity Effects On Wettability And Oil Recovery In A Dolomite Reservoir, Azadeh Kafili Kasmaei
Thermal, Compositional, And Salinity Effects On Wettability And Oil Recovery In A Dolomite Reservoir, Azadeh Kafili Kasmaei
LSU Master's Theses
Low salinity and composition effects in improving oil recovery in sandstone reservoirs are known. However, these effects have not been thoroughly studied for the carbonate reservoirs. Because of the lack of the clay minerals in the carbonate rocks, the mechanisms for the improved oil recovery with low salinity, brine composition, and temperature may not be the same as those for sandstones. This experimental study attempts to investigate the effects of low salinity, brine composition, and temperature on wettability and oil recovery in a dolomite reservoir. Also, it is attempted to confirm that wettability alteration is the main mechanism for improvement …