FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION STANDARDS QUIZ1

What are important points for gravel packing:

Method that does not separate materials

Uniform grade of gravel pack

Sizing that similar within 2

All of the above

When a repair is performed on a well the following must be adhered to:

Wellhead must remain at least 12 inches above surface

The grout removed must be replaced

All materials used in repair must be approved

All of the above

Well point systems are typically used under the following conditions

Water table is within a few feet of the ground surface

Pumping from wells is with suction lift

Water bearing sand must exist at depths of 20-50 ft

All of the above

A drive shoe that is attached to the lower end of the string of casing prevents damage to the bottom of the:

Borehole

Casing

Drillbit

None of the above

In order to assure that grout will provide a complete seal it should be placed________

Filled at various times when convenient

Filled with all types of grout

One continuous operation

None of the above