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24-Pet-B4 Well Testing: December 2014

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

  1. Question 1 Defend “hydrocarbons are generated from an inorganic source”
  2. Question 2 Defend “hydrocarbons are generated from an organic source”
  3. Question 3 Four source-rock depositional settings
  4. Question 4 Hydrocarbon compound formulas and structures
  5. Question 5 Temperature–depth plot – oil and gas windows
  6. Question 6 Terminology
  7. Question 7 Primary migration mechanisms
  8. Question 8 Maximum hydrocarbon column height before shale breach
  9. Question 9 Migration pathways and top exploration targets, plan-view maps A and B
  10. Question 10 Terminology
  11. Question 11 Stratigraphic pinchout trap cross section
  12. Question 12 Six stratigraphic trap examples
  13. Question 13 Three major groups of structural traps
  14. Question 14 Simple anticline trap cross section
  15. Question 15 Salt dome cross section and associated trap types
  16. Question 16 Extensional basin cross section
  17. Question 17 NE–SW cross section, Western Canada Sedimentary Basin
  18. Question 18 Sedimentary basins and arches of Canada

Start with Question 1 →

EGBC National Exam — Petroleum Engineering, 2014-Dec. 3 hours duration; closed book. This sitting's own cover page reads “98-Pet-B4, Petroleum Geology” and every question is descriptive/interpretive petroleum geology (source rocks, generation, migration, traps, Canadian basin geography) – no well-test pressure-transient content anywhere. Five (5) of the paper's six 20-mark sections are marked (NOTES item 5); all six are solved in full below so this set also serves as a complete study reference. The paper is almost entirely qualitative (draw/describe/define/list), with one true numeric calculation (Q3-2, capillary seal-breach column height).

Reference texts: Selley, R.C. & Sonnenberg, S., Elements of Petroleum Geology, 3rd ed., Academic Press (source rocks, migration, traps); Tissot, B.P. & Welte, D.H., Petroleum Formation and Occurrence, 2nd ed., Springer (kerogen typing, oil/gas windows, primary migration); Boggs, S. Jr., Petrology of Sedimentary Rocks, 2nd ed., Cambridge (source-rock lithofacies); Allen, P.A. & Allen, J.R., Basin Analysis: Principles and Applications to Petroleum Play Assessment, 3rd ed., Wiley-Blackwell (extensional basins, structural styles); Biddle, K.T. & Wielchowsky, C.C., “Trap Types in Petroleum Basins,” AAPG Memoir 60, ch.12 (stratigraphic/structural/salt trap classification); Mossop, G.D. & Shetsen, I. (eds.), Geological Atlas of the Western Canada Sedimentary Basin, CSPG/Alberta Research Council, 1994 (WCSB stratigraphy and play types).