FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

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

While using the Air Rotary Drill you should measure and record the amount of water being injected into the well during drilling operations

True

False

What are ways the grout can be forced into a space when gravity may not be practical:

Pump

Air pressure

Water pressure

All of the above

When might spacing between wells in well point system be less than 25ft

Large boulders in soil

Fine sand formations

Excess tree roots

None of the above

Vertical seepage can occur readily outside when ______ is left unsealed in the ground near the surface

Borehole

Casing

Creviced rock

Wellhead