Cementing Risks and Failures in Oil Wells
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Questions and Answers

What is the objective of a cement sheath analysis?

  • To differentiate between a liquid and a gas
  • To confirm the casing has been successfully placed (correct)
  • To identify sonic coupling
  • To analyze borehole collapse

    • Which material provides casing support in the annulus?

  • Barite or hematite
  • Non-permeable material
  • Sand or borehole collapse (correct)
  • Set cement

    • What is required for hydraulic isolation in cementing?

  • Sonic coupling
  • Formation isolation
  • Ultra-low to non-permeable material (correct)
  • 100% annular fill of solid material

    • What is the purpose of bond logs in cementing?

    <p>Identifying sonic coupling (D)</p> Signup and view all the answers

    In cement sheath evaluation, what distinguishes a solid from a liquid?

    <p>Evaluation device (B)</p> Signup and view all the answers

    Which material is essential for providing casing support according to the text?

    <p>Barite (A)</p> Signup and view all the answers

    What is the ultimate goal of cement sheath evaluation?

    <p>Formation isolation identification (D)</p> Signup and view all the answers

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