FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

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 a repair is performed on a well the following must be adhered to:

Wellhead must remain at least 12 inches above surface

The grout removed must be replaced

All materials used in repair must be approved

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

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

Rock

Clay

Sand

None of the above

Chlorine shall be placed in the well in sufficient quantities to produce a chlorine residual of at least:

200ppm

500ppm

50ppm

100 ppm