FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

For water well drilling, a weight of about _____ lb per gallon is desirable:

2

5

8

9

The action of the surge plunger can cause _____ to plaster over the screen surface

Rock

Clay

Sand

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

What are reasons a well screen might be pulled

Removal of encrusting of materials on the screen that cannot be removed from chemical treatment

Corrosion of the screen allowing sand to enter water

Abandonment of the well and retrieval of parts

All of the above

The size of the grout space to be provided when drilling the well usually depends upon the method of _________

Drilling

Boring

Mixing

Grouting