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WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM
95c4f18e-1af1-404f-8a50-146c71e69bd5
If there is a concern of boulders at a certain site, it may be better to drill an _________
Test well
Exploratory hole
Excavation site
None of the above
What is the objective of the bail down method of well screening:
Whole assembly is sunk into formation
Less tools are needed
Remove sand from below the screen so the screen will settle down as sand is displaced
None of the above
When a well is used for dewatering, what is the required time frame the well must be permanently abandoned once dewatering has finished
5 days or less
10 days or less
30 days or less
60 days or less
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
A drive shoe that is attached to the lower end of the string of casing prevents damage to the bottom of the:
Borehole
Casing
Drillbit
None of the above
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