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Questions and Answers
What factor is the risk of failure related to in cement systems?
What factor is the risk of failure related to in cement systems?
- Formation fluid migration
- Ratio of cement tensile strength to Young’s modulus (correct)
- Cement density
- Presence of gas bubbles
How does the usage of flexible particles like rubber or thermoplastics affect cement flexibility?
How does the usage of flexible particles like rubber or thermoplastics affect cement flexibility?
- No impact on flexibility
- Decreases flexibility
- Improves flexibility (correct)
- Increases rigidity
Which type of gas migration occurs before the cement has set?
Which type of gas migration occurs before the cement has set?
- Delayed gas migration
- Immediate gas migration
- Short-term gas migration (correct)
- Long-term gas migration
What can uncontrolled gas migration during cementing lead to?
What can uncontrolled gas migration during cementing lead to?
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What is the best way to prevent long-term problems related to gas migration?
What is the best way to prevent long-term problems related to gas migration?
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What phenomenon is gas migration during cementing referred to as?
What phenomenon is gas migration during cementing referred to as?
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Which zones should gas migration prevention be particularly considered for?
Which zones should gas migration prevention be particularly considered for?
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What can the cost of remediating a gas migration problem far exceed?
What can the cost of remediating a gas migration problem far exceed?
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How can foamed cement enhance flexibility?
How can foamed cement enhance flexibility?
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What does the ratio of cement tensile strength to Young's modulus indicate about the cement's resistance to failure?
What does the ratio of cement tensile strength to Young's modulus indicate about the cement's resistance to failure?
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