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WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2
a82d6617-a62a-4096-8bea-2fb6438149a9
Measurements within an accuracy of plus or minus one inch must be recorded when using the Pump Method
True
False
What two types of sand are recommended to be used for backfilling a hole to prevent slurry from penetrating more than 2-3 inches?
Plaster sand
Mortar sand
Play sand
Both A & B
When using the Pump Method for testing yield on a well how often should measurements be taken on water levels:
1 minute or less
5 minutes or less
10 minutes or less
None of the above
Why is the “sand lock” method considered a good way to remove a well screen
It is an old method
Soil mechanics has demonstrated that clean sand can resist high stress
Most reliable for transmitting pulling force to the well screen
Both B & C
What are two differences in drilling into soft formation versus rock?
Pipe or casing must follow the drill bit closely
Casing has to be driven
The drilling effect of the bit is a loosening/mixing action
All of the above
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