FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2

What are reasons a well screen might be pulled

Removal of encrusting of materials on the screen that cannot be removed from chemical treatment

Corrosion of the screen allowing sand to enter water

Abandonment of the well and retrieval of parts

All of the above

What should be removed after the casing has been sunk to the depth at which the bottom of the screen is be set:

Drill bit

Pliers

Sand

Groundwater

Exploratory drilling may be done for (2) two reasons:

Ground water study of an area

Preliminary prior to well disgn/construction

Neither A or B

Both A & B

Drilling fluid may have many essential functions to include:

Removed cuttings from the bottom of the hole

Suspend cuttings when circulation has stopped

Cool and clean the drill bit

All of the above

Wells constructed for the purpose of monitoring for the presence of vapors associated with regulated tanks does not need a locking cap

True

False

WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ2