Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
17-Pet-A7 — Secondary and Enhanced Recovery · National Exams, May 2018 · 3 hours, closed-book exam, approved calculator + one double-sided aid sheet permitted · four questions, all required (the exam's own NOTES state "four (4) questions constitute a complete exam paper").
Reference texts: Green, D.W. & Willhite, G.P., Enhanced Oil Recovery, SPE Textbook Series Vol. 6 (wettability, relative permeability, waterflooding/Buckley-Leverett-Welge, miscible flooding, gravity/viscous displacement stability); Lake, L.W., Enhanced Oil Recovery, 1st ed. (fractional flow, miscible displacement theory, ternary-diagram phase behavior); Whitson, C.H. & Brulé, M.R., Phase Behavior, SPE Monograph Vol. 20 (CO2/hydrocarbon ternary systems, multi-contact miscibility).
