FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

Drilling fluid essential functions include all of the following EXCEPT:

Seal wall of the borehole to reduce fluid loss

Cool and clean the drill bit

Support the wall of the borehole to prevent caving

Pushes cuttings to t he bottom of the drilling hole

All of the above

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

Casing in wells constructed to obtain water from an unconsolidated rock formation (such as gravel, sand, or shells) shall extend at least ______ ft into the top of the water-bearing formation

1

3

5

7

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 following can be used for flow discharge control for artesian well:

Valved pipe connections

Watertight pump connections

Receiving tank

Flowing well pitless adaptor, packer

All of the above