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24-Pet-A3 Fundamental Reservoir Engineering: December 2015

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Reservoir Engineering Concepts
  2. Question 2 Steady-State Core Flood — Effective and Relative Permeabilities
  3. Question 3 Transient Radial Flow — Bottom-Hole Pressure After 2 Days
  4. Question 4 Volumetric Dry-Gas Reservoir — p/Z Material Balance
  5. Question 5 Pseudo-Steady-State Inflow — Flowing Wellbore Pressure
  6. Question 6 Undersaturated Oil Material Balance — Cumulative Production to Bubble Point
  7. Question 7 Capillary Pressure — Depth of 40% Water Saturation

Start with Question 1 →

98-Pet-A3 — Fundamental Reservoir Engineering · National Exams, December 2015 · 3 hours, closed book, non-communicating calculator only · five (5) questions constitute a complete exam paper (the first five as they appear in the answer book are marked), all questions equal value, all parts of a multipart question equal weight. All seven questions are solved below for completeness.

Reference texts: Ahmed, T., Reservoir Engineering Handbook, 5th ed. (Darcy's law and relative permeability, transient well testing, p/Z and oil material balance, capillary pressure); Craft, B.C. & Hawkins, M.F., Applied Petroleum Reservoir Engineering, 3rd ed. (reservoir drive mechanisms, pseudo-steady-state inflow); Lyons, W.C. (ed.), Standard Handbook of Petroleum and Natural Gas Engineering, 3rd ed. (Standing–Katz Z-factor correlation, Dranchuk–Abu-Kassem fit); McCain, W.D., The Properties of Petroleum Fluids, 3rd ed. (capillary pressure and relative permeability laboratory data).