Name:________________________________
PETE 311 – RESERVOIR PETROPHYSICS – Dr. Maggard
QUIZ #1 – 2/1/06 (answer one 30-point question and (only) enough additional
questions to total 100 points)
1. Define “petrophysics.” (20 pts)
2. Define “porosity” using equations and words. (20 pts)
3. Define “effective porosity” using equations and words. (30 pts)
4. In highly cemented materials and most carbonates, effective porosity is
equal to total porosity. T____ F ____(20 pts)
5. Which of the follow is least likely to be a reservoir rock (10 pts)
a.
b.
c.
d.
Igneous rock
Sandstone
Limestone
Dolomite
6. Sketch a sandstone thin section and label the framework, matrix, cement
and pores. (30 pts)
7. Explain the difference between engineering and geologic usage of
“matrix.” (30 pts)
8. Name 2 factors that affect the primary porosity of clastic sediments.
(20 pts)
9. Discuss the pros and cons of using sidewall cores vs. whole cores for
reservoir characterization. (30 pts)