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Oil Well Casing Head Spools Quiz

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Questions and Answers

What is the purpose of a production casing?

To enlarge the wellbore by drilling it again with a special bit
To keep cracks open in the formation after fracture treatment
To store the kelly while tripping
To complete the well by running production tubing and accessories (correct)

What is the main function of a propping agent?

To keep cracks open in the formation after fracture treatment (correct)
To store the kelly while tripping
To stabilise the bit and remove dog legs
To enlarge the wellbore by drilling it again with a special bit

What is the purpose of a protective casing?

To store the kelly while tripping
To pass the drilling line through sheaves onto the hoisting drum
A short section of pipe used to space out casing or tubing
An intermediate string of casing to case off troublesome zones (correct)

What does p.s.i. stand for?

Pounds per square inch, a unit for expressing pressure (C) Signup and view all the answers

What is a pup joint mainly used for?

To space out casing or tubing to reach correct landing depths (D) Signup and view all the answers

What is a rathole used for in drilling operations?

Used for storing the kelly while tripping (A) Signup and view all the answers

What does reactive torque refer to in drilling operations?

The tendency of a drillstring to turn in the opposite direction from that of the bit (B) Signup and view all the answers

What does it mean to ream in drilling?

To enlarge a wellbore by drilling it again with a special bit (D) Signup and view all the answers

What is the main purpose of a relief well?

Intersecting a well that is blowing out to control it (B) Signup and view all the answers

What is a reeve used for in drilling operations?

Passing the drilling line through sheaves onto the hoisting drum (A) Signup and view all the answers