Chapter 3: Fluid and Rock Properties
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Published:2017
"Fluid and Rock Properties", Low-Energy Processes for Unconventional Oil Recovery, Mohammad Reza Fassihi, Anthony R Kovscek
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This chapter presents an overview of fluid and rock properties relevant to unconventional oil production. Heavy-oil production differs from, say, waterflood, in that interphase heat and mass transfer are frequently employed in efforts to reduce heavy-oil viscosity or to alter rock properties such as relative permeability to be more favorable to heavy-oil flow. In a waterflood, virtually every drop of oil produced is pushed out of pore space by water. In contrast, steam injection, for instance, also incorporates heat transfer by thermal diffusivity into rock volumes not swept by steam. Oil may be recovered that was never directly contacted by steam. Similarly, processes employing solvents for viscosity reduction may rely on diffusion and dispersion to enable mixing of the solvent and oil.
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