FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

Every artesian flowing well shall be constructed, equipped, and operated to prevent the uncontrolled discharge of groundwater

True

False

Driven wells can be installed only in soft formations free from ________

Water

Grass

Rocks

All of the above

Why is the “sand lock” method considered a good way to remove a well screen

It is an old method

Soil mechanics has demonstrated that clean sand can resist high stress

Most reliable for transmitting pulling force to the well screen

Both B & C

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

Regardless of the method of well construction and type of pump to be installed, the top of the casing should be terminated at least ______ inches above land surface

6 in

8 in

10 in

12 in