Quick Test

Test Your Knowledge

1

Porosity depends on:

Size and shape of the grains
Natural packing
Present or absence of vugs and fractures
All of the above
2

Are the drawdown and build up responses equivalent?

Sometimes yes, sometimes no
Yes, always
No, never
None of the above
3

Which represent the storage capacity of a rock?

Porosity
Permeability
Formation volume factor
Compressibility factor
4

Which of the following might indicate potential formation fluid influx?

Minor lost circulation.
An increase in pump pressure, decrease in pump strokes.
An increase in mud flow, mud volume, and a decrease in pump pressure.
Reduced drilling rates.
5

For a reservoir with Pr = 2000 psi, Pb = 1200 psi and test point is q = 343 bbl/day, Pwf = 1560 psi. Find the liquid rate if Pwf = 1800 psi using vogel.

290 bbl/day
432 bblday
410 bbl/day
156 bbl/day