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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
44cdd8fd-a3e7-40f6-8c24-0bf7416ecbdf
The 6ft telescope size of screen should fit in a ______ standard pipe.
8 in
6 in
12 in
10 in
What is the purpose of a seal on a gravel pack
Close the annular space between the top of the extension pipe and the inside of the well casing installed in the upper portion of the well
Prevent upward movement of the gravel when the well is pumped
To allow the flow of gravel into the annular space when well is in use
Both A & B
When removing wells screens of 16 inch diameter or larger a _______ is used at the lower end of the pulling pipe instead rather than sacking
Fork
Spear
Steel disk
End pipe
The size of the grout space to be provided when drilling the well usually depends upon the method of _________
Drilling
Boring
Mixing
Grouting
Vertical seepage can occur readily outside when ______ is left unsealed in the ground near the surface
Borehole
Casing
Creviced rock
Wellhead
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