Tricky Questions and Well Control Equipment Quiz

Tricky Questions and Well Control Equipment

This interactive well control quiz contains 25 questions related to Tricky Questions and Well Control Equipment. Additionally, this content is based on both IWCF and IADC well control. Each question contains 3 possible answers and there is full explanation for each one.

Please take your time and think carefully before checking each answer in order to maximize your learning.

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19 Responses to Tricky Questions and Well Control Equipment Quiz

  1. Daoud says:

    Thank you very much for this valuable information.

  2. adel says:

    quest 1 ( !!!!)
    i think that bhp decrease (we get less mud height in annulus) , because if we left chocke open so casing pressure increase ( gas evacuaed expasion ) and than formation is flowing ;because bhp less than formation pressure.

  3. waheb says:

    quest 1 !!!!!
    i think bhp decrease because formation flowing when you let SICP increase:
    gas expansion result less mud height so reduce in annulus hydrostatic pressure and than bhp.

  4. Emma Egwu says:

    One of the question said TIW valve most be in open position on drill floor but u thick close, pls current the answer. Thanks.

  5. waheb says:

    good quiz ,very interesting
    regards

  6. Yousef Hasan says:

    Dear Team Support,

    Thank you so much for the great website and valuable information.
    I’m wondering if you can help me in downloading some great topics you provide via this website like: well control Quiz-basic & Tricky, well control equations e-book, red book of Halliburton .

    Thanks in advance and wish you all the best

  7. GLORY says:

    if perforation is done at two different pay zone in a well how is the production tubing connected

  8. sheeraz says:

    Thank you very much for this valuable information

  9. Padamsinha Bamane says:

    Dear,
    I am facing problem to solve question number 14 of Tricky Questions and Well Control Equipment
    14. Question
    While drilling observed total loss circulation, drilling is stopped and water is filled into the wellbore.
    Total volume fill is 60 bbl. Current depth = 9,000′MD/9,000′TVD (vertical well).
    Mud weight = 12.0 ppg and water weight = 8.6 ppg.
    Annular capacity between casing and drill pipe = 0.0455 bbl/ft.
    What is the pressure exerted at the loss zone?

    Point 1 – There is total mud loss, it means there is no mud in annulus.(Is it necessary to consider?)
    Point 2 – When we filled 60 bbls of water & we got returns.(Is it happened?)

    If above points no 1 is correct, then answer will be 590 psi
    (Height of 60 bbl water = 60 bbl ÷ 0.0455 = 1,319 ft. Hydrostatic pressure of water = 0.052 x 8.6 x 1,319 = 590 ps)

    If above points no 2 is correct, then answer will be 5383 psi.
    (Height of 60 bbl water = 60 bbl ÷ 0.0455 = 1,319 ft. Hydrostatic pressure of water = 0.052 x 8.6 x 1,319 = 590 psi
    Height of mud = 9,000 – 1,319 =7,681 ft. Hydrostatic pressure of mud = 0.052 x 12.0 x 7,681 = 4,793 psi
    Total hydrostatic pressure = 4,793 + 590 = 5,383 psi.)

    If total loss happened, Is it necessary to consider the annulus is empty?
    If it is not, then what would to the guaranty of mud height in hole is 7,681 ft.
    Dear sir can you please elaborate the answer or any modification in question.

    • Well Control Quiz Team says:

      Padamsinha Bamane,

      We assume the worst case that we fill the empty annulus until you see the return. Otherwise you will not be able to figure out the volume pumped. The question asks you about the total pressure exerting to the formation. Total pressure = summation of hydrostatic pressure of mud and water.

      Regards,
      Shyne

  10. ibrahem says:

    thanx

  11. andy Lynch says:

    very good exersise

  12. Muhammed Aslam says:

    plaze send me supervisor iwcf question .

  13. rimy oscar says:

    in the tricky questions ,specially in 16 exercise.when do you need to increase choke size regularly ,in what situation, operationally conditions and why.

  14. emmanuel obari says:

    I luv this

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