Which of the following is NOT a primary function of drilling fluids?
A. Cuttings removal
B. Frac proppant
C. Lubrication and cooling
D. Weil control
Which of the following methods is MOST likely to hydrostatically balance a well kick with only one circulation?
A. Concurrent
B. Driller’s
C. Toolpusher’s
D. Wait and weight
9.
Critical rotary speed longitudinally (rpm*) is calculated by rpm* = 258,000/L, where L is the total length of the drill string (ft). Which of the following is a multiple of rpm* at which secondary and higher harmonie vibrations will occur?
10.
Which of the following is NOT a colloidal polymer?
A. Xantham gum
B. Starch
C. Sodium carboxy methyl cellulose
D. Hydroxyethyl cellulose
11.
Which of the following is a major consideration for cuttings transport in horizontal wells?
A. Annulus size
B. Drilling Ratę
C. Eccentricity
D. Rotary speed
12.
Which of the following is NOT a routine roller cone bearing package description?
A. Friction-ball-friction
B. Friction-ball-roller
C. Roller-ball-friction
D. Roller-ball-roller