FlexiQuiz - WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM

In hydraulic rotary drilling, borehole is cut with a rotating bit while cuttings are removed with ____

Air hose

Additional drilling

Drilling fluid

None of the above

Haw is sacking used when removing a wells screen

Strips are fastened to the pulling pipe

Wired just above a coupling at the lower end of the pulling pipe

Wired just above a ring welded on the pipe

All of the above

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

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

What is the process called to eliminate the “skin effect” and loosen up sand around the screen

Clearance

Well development

Drilling

None of the above

WELL CONTRACTORS CERTIFICATION CONSTRUCTION EXAM