FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What can speed up the operation of the bail down methods of well screening:

More force

Add extra weight

Drill a pilot hole through the formation

None of the above

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

2

5

8

9

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

What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:

Drill bit

Pliers

Sand

Groundwater

The well head shall be equipped with a screened vent to allow for the pressure changes within the well unless:

A suction lift pump is used

A single-piped jet pump is used

Artesian flow conditions are encountered

All of the above

None of the above