NivaarExam PrepOfficial exam papers ↗

24-Pet-B2 Oil and Gas Evaluation and Economics: Undated paper

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

  1. Question 1 Terminology
  2. Question 2 Phase Envelope of a Natural Gas Reservoir
  3. Question 3 Sour Gas Mixture Properties
  4. Question 4 Actual and Standard Gas Flow Rates
  5. Question 5 Horizontal Pipeline Gas Flow Rate
  6. Question 6 Two-Phase Flow Regime (Gregory–Aziz–Mandhane)
  7. Question 7 Original Gas in Place (Volumetric Method)

Start with Question 1 →

National Exams May 2019, 17-Pet-B2, Natural Gas Engineering — 3 hours, open book (non-communicating calculator permitted), 7 questions of equal (10-mark) value. NOTES item 5 states only the first five questions in the answer book are marked; all 7 are solved.

Reference texts: Katz et al., Handbook of Natural Gas Engineering; Lee & Wattenbarger, Gas Reservoir Engineering (SPE Textbook Series Vol. 5); Ahmed, Reservoir Engineering Handbook, 5th ed.; McCain, The Properties of Petroleum Fluids, 3rd ed.; Mohitpour et al., Pipeline Design and Construction, 3rd ed. (ASME Press); GPSA Engineering Data Book (component critical-property tables); Wichert & Aziz (1972), “Calculate Z's for Sour Gases,” Hydrocarbon Processing; Mandhane, Gregory & Aziz (1974), “A Flow Pattern Map for Gas-Liquid Flow in Horizontal Pipes,” Int. J. Multiphase Flow.