NivaarExam PrepOfficial exam papers ↗

24-Pet-A2 Petroleum Reservoir Fluids: December 2018

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

  1. Question 1 Reservoir Fluid Fundamentals and Definitions
  2. Question 2 CO 2 -Saturated Formation Water — Mass Fraction and Water FVF
  3. Question 3 Dry Gas Reservoir — Z-Factor, Density, In-Place Volume and Moles
  4. Question 4 Two-Phase PVT Cell — n-Decane / Ethane Flash
  5. Question 5 Isothermal Gas Compressibility from the Z-Factor Chart
  6. Question 6 Schematic Black-Oil PVT Property Trends vs. Pressure
  7. Question 7 Laboratory PVT Data — Formation Volume Factor and Solution GOR

Start with Question 1 →

17-Pet-A2 — Petroleum Reservoir Fluids · National Exams, December 2018 · 3 hours, closed book, Casio/Sharp approved calculators only · a formula sheet is provided; FIVE (5) questions constitute a complete exam paper (the first five as submitted are marked); all questions equal value, all parts of a multipart question equal weight; oilfield-unit questions must be answered in field units.

Reference texts: Craft, B.C. & Hawkins, M.F., Applied Petroleum Reservoir Engineering, 3rd ed. (Ch. 1–2, PVT properties, reservoir/well-stream classification); Lyons, W.C. (ed.), Standard Handbook of Petroleum and Natural Gas Engineering, 3rd ed. (Standing–Katz Z-factor correlation, gas properties); McCain, W.D., The Properties of Petroleum Fluids, 3rd ed. (phase behaviour, black-oil PVT laboratory data); Ahmed, T., Reservoir Engineering Handbook, 5th ed. (material balance, pseudo-critical property correlations, gas/oil PVT relations); Danesh, A., PVT and Phase Behaviour of Petroleum Reservoir Fluids (equilibrium K-value flash calculations, Gibbs' phase rule).