FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

The mineral content in the Mountain region and most of the Piedmont is generally less than total dissolved solids of 100 mg/l (milligrams per liter)

True

False

In the case of gravel-packed wells in which the casing and screens have not been removed and abandoning the well:

Neat cement shall be injected into the well

Bentonite slurry grout shall be injected into the well

A or B

None of the above

What are two differences in drilling into soft formation versus rock?

Pipe or casing must follow the drill bit closely

Casing has to be driven

The drilling effect of the bit is a loosening/mixing action

All of the above

Neat cement grout shall consist of a mixture of not more than ______gallons of clear, potable water to _____94 pound bag of Portland cement

10 gal, 2 bags

6 gal, 1 bag

8 gal, 3 bags

22 gal, 4 bags

What is the purpose of a seal on a gravel pack

Close the annular space between the top of the extension pipe and the inside of the well casing installed in the upper portion of the well

Prevent upward movement of the gravel when the well is pumped

To allow the flow of gravel into the annular space when well is in use

Both A & B