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Fall 2016
Steam-solvent coinjection, if properly implemented, can improve the bitumen recovery efficiency of steam-only injection methods, such as steam-assisted gravity drainage (SAGD). Previous studies have shown that steam-solvent coinjection can reduce residual oil saturation lower than that of SAGD....
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Spring 2014
Evaluation of steam-assisted gravity drainage (SAGD) performance that involves detailed compositional simulations is usually deterministic, cumbersome, expensive (manpower and time consuming), and not quite suitable for practical decision making and forecasting, particularly when dealing with...
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Numerical Investigation of Water Loss Mechanisms During Hydraulic Fracturing Flow-Back Operation in Tight Oil Reservoirs
DownloadSpring 2016
Multi-stage hydraulic fracturing is widely applied in tight reservoir exploitation. Production is enhanced significantly if hydraulic fractures can connect to regions with enhanced permeability due to the presence of micro (and induced) fractures. However, less than 50% of fracturing fluids are...
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Spring 2024
Solvent injection processes offer a promising alternative to steam-based techniques for heavy oil recovery. Multiple mass transfer mechanisms, including interphase mass transfer, diffusion, and convection, would affect the process efficiency and recovery performance. Understanding the mass...