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?

    <p>Pounds per square inch, a unit for expressing pressure</p> Signup and view all the answers

    What is a pup joint mainly used for?

    <p>To space out casing or tubing to reach correct landing depths</p> Signup and view all the answers

    What is a rathole used for in drilling operations?

    <p>Used for storing the kelly while tripping</p> Signup and view all the answers

    What does reactive torque refer to in drilling operations?

    <p>The tendency of a drillstring to turn in the opposite direction from that of the bit</p> Signup and view all the answers

    What does it mean to ream in drilling?

    <p>To enlarge a wellbore by drilling it again with a special bit</p> Signup and view all the answers

    What is the main purpose of a relief well?

    <p>Intersecting a well that is blowing out to control it</p> Signup and view all the answers

    What is a reeve used for in drilling operations?

    <p>Passing the drilling line through sheaves onto the hoisting drum</p> Signup and view all the answers

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