Question 1

Select a correct name of the part shown in the figure.

Accepted Answer

Kick off point

Answer

Vertical part

Answer

End of curve

Answer

Horizontal section

Question 2

Select an advantage of horizontal well compared with vertical well

Accepted Answer

Improving productivity in shallow reservoir

Answer

Escalating the gas/water coning problems

Answer

Decreasing the drainage area

Answer

The cost of horizontal drilling is cheaper than that of vertical drilling

Question 3

How much higher is the cost of horizontal drilling than that of the same length of vertical drilling?

Accepted Answer

1.5 to 2.5 times higher

Answer

Almost same

Answer

3.5 to 4.5 times higher

Answer

2.5 to 3.5 times higher

Question 4

How can the drill bit be rotated in the horizontal drilling?

Accepted Answer

by the downhole mud motor

Answer

by the mental power of drilling engineers

Answer

by the turn table

Answer

by the electric motor

Question 5

How can the drilling direction be changed in the horizontal drilling?

Accepted Answer

by installing the bent sub between the drilling pipe and downhole motor

Answer

by using the soft drilling pipes

Answer

by using curved drilling pipes

Answer

by using the telepathy

Question 6

How can the cutting force be supplied to the drill bit in the horizontal drilling?

Accepted Answer

by using the heavy weight drill pipes

Answer

by using the principles of lever

Answer

by injecting water at high pressure

Answer

by installing the springs in the drilling pipes

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