6-60.
In the operation of the rotary
drilling rig, what factors work
together to prevent the walls of
the drill hole from collapsing
when the cut material is washed
to the surface by a mixture of
mud and water?
1.
2.
3.
4.
The filtering action of
the coarse material in
the settling pit
The weight and viscosity
and the plastering action
of the fluid on the wall
of the well hole
The action of suspended
local mud in the fluid and
the additional weight of the
fluid due to its content of
suspended clay
The suspension of cuttings
in the settling pit and the
spiraling of the fluid against
the wall of the drill hole
6-61.
What is considered the normal
quantity of water needed to
support an 8 hour shift of
rotary well-drilling?
1.
100 to 500 gallons
2.
500 to 750 gallons
3.
750 to 1,000 gallons
4.
1,000 to 4,000 gallons
6-62.
What type of drill bit is used for
drilling through a moderately hard
surface formation with a rotary
rig?
1.
Pilot
2.
Roller
3.
Fishtail
4.
Three way
6-63.
After the well hole has been
drilled the length of the kelly,
what accessory is placed to keep
the well from caving in from the
surface?
1. Turntable
2.
Surface casing
3.
Drill collar
4.
Set of slips
6-64.
What depth is the top-head drive
rotary well-drilling rig capable
of rotary drilling?
1.
900 feet
2.
1,000 feet
3.
1,250 feet
4.
1,500 feet
6-65.
On the ITWD, what is the purpose
of the split centralizer?
1.
To break and make drill
pipe connections
2.
To support the drill
string during handling
3.
To aid in setting casings
4.
All of the above
6-66.
What material is used to lubricate
the top-head spindle sub threads?
1.
Drilling lubricant
2.
Petroleum jelly
3.
Pipe dope
4.
Fish oil
6-67.
When performing down-hole-drilling
operations, how is the oil flow
checked?
1.
2.
3.
4.
Inspecting the oil pattern
on a piece of card board that
is placed under the spindle
Checking the amount of oil
on the cuttings
Placing your hand under the
hammer and inspecting the
amount of oil discharged
Disconnecting the flushing
hose and inspecting the amount
of oil discharged from the
hose
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