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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1
0b4513f4-0ace-4764-83cb-2084fd35cc1b
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
In the case of gravel-packed wells in which the casing and screens have not been removed and abandoning the well:
Neat cement shall be injected into the well
Bentonite slurry grout shall be injected into the well
A or B
None of the above
Exploratory drilling may be done for (2) two reasons:
Ground water study of an area
Preliminary prior to well disgn/construction
Neither A or B
Both A & B
The well identification plate must be permanently placed:
Above ground portion of the well casing
On the wall of the well house
Surface grout pad
A or B
When a threadless sampling tap is installed the flowing elements shall be required:
Should be turned upward
Should be turned downward
Shall be minimum of 12 inches above land surface
B & C
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