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← ScienceWhich outcome occurs when a supercritical fluid migrates through porous rock in enhanced oil recovery?
A)Reduced interfacial surface tension occurs✓
B)Increased rock matrix permeability happens
C)Asphaltene precipitation always dominates
D)Viscous fingering instabilities will diminish
💡 Explanation
Reduced interfacial surface tension happens because supercritical CO2 displaces oil via **miscible displacement**, increasing oil mobility; therefore, enhanced oil recovery becomes efficient, rather than asphaltene precipitation or permeability increase, each occurring under separate geochemical conditions.
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