FlexiQuiz - WELL CONTRACTORS CERTIFICATION RULES

When abandoning a well constructed in consolidated rock formations or that penetrate zones of consolidated rock may be filled with:

Styrofoam

Grout, sand or gravel

Drill cuttings

B & C

All of the above

Water supply wells may be cased to a depth less than 20 feet, if:

the only or best source of drinking water in the area exists between a depth of 10 and 20 feet below the surface of the land

using this source of water in the area is in the best interest of the public

None of the above

A & B

What must take place when a well is temporarily abandoned

Seal off well

Cap the well

Both A & B

None of the above

When an unconsolidated form is used for a well and it must be abandoned how should grout be introduced into the well to ensure proper fill:

Gravity fed through the opening

Using water to increase flow of grout

Introduce grout through a pipe extending to the bottom of the well that can be raised as the well is filled

None of the above

Calculate the well volume where: V = ( (3.14*(D)(D))/4) * d; D=2in; d=70ft

304.56 cubic feet

879.64 cubic feet

219.91 cubic feet

1219.91 cubic feet