FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

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

When beginning to use the Air Lift Method to evaluate well yield, the first measurement that should be taken:

Static Water Level

Air Pressure

Drawdown Level

Soil Depth

A Well Contractor Identification Plate should contain the following information:

Well contractor information and contractor number

Depth of well

Casing depth (ft) and inside diameter (in)

All of the above

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 size well screens are better pulled using a pipe of smaller diameter locked inside the screen by means of a sand joint

2 inches

4 inches

6 inches

Both B & C