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Questions and Answers
What is the primary purpose of the carrier pipe in the towing method of pipeline installation?
What is the primary purpose of the carrier pipe in the towing method of pipeline installation?
- To increase the tension during pipeline installation
- To increase the length of the pipeline that can be fabricated
- To reduce the number of support vessels required
- To provide a corrosion-free environment internally (correct)
What is the maximum installable pipe size using the S-Lay method?
What is the maximum installable pipe size using the S-Lay method?
- 32''OD
- 70''OD
- 60''OD (correct)
- 40''OD
What is the typical lay rate of the J-Lay method?
What is the typical lay rate of the J-Lay method?
- 1 - 1.5 km per day (correct)
- 2 - 3 km per day
- 5 km per day
- 3.5 km per day
What is a common insulation material used for subsea pipelines?
What is a common insulation material used for subsea pipelines?
What is the main advantage of the J-Lay method compared to S-Lay?
What is the main advantage of the J-Lay method compared to S-Lay?
What are the two limitations of the towing method?
What are the two limitations of the towing method?
What is the primary consideration while selecting a subsea pipeline route?
What is the primary consideration while selecting a subsea pipeline route?
What is the minimum required pipeline route curve radius (Rs) determined to prevent?
What is the minimum required pipeline route curve radius (Rs) determined to prevent?
What is the purpose of a pipeline route survey?
What is the purpose of a pipeline route survey?
What happens if the pipeline-soil friction resistance is too small?
What happens if the pipeline-soil friction resistance is too small?
What is the purpose of calculating the required minimum straight pipeline length (Ls)?
What is the purpose of calculating the required minimum straight pipeline length (Ls)?
Who is contracted to obtain site-specific information for the pipeline route survey?
Who is contracted to obtain site-specific information for the pipeline route survey?
What is the impact on the pipe lay rate if one station spends 10 minutes while others spend 5 minutes?
What is the impact on the pipe lay rate if one station spends 10 minutes while others spend 5 minutes?
What is the advantage of ReelLay pipe over S lay?
What is the advantage of ReelLay pipe over S lay?
What is the typical lay rate of ReelLay pipe?
What is the typical lay rate of ReelLay pipe?
Why are offshore pipelines trenched?
Why are offshore pipelines trenched?
What is a limitation of ReelLay pipe?
What is a limitation of ReelLay pipe?
What feature of J-lay allows it to weld multiple pipe joints?
What feature of J-lay allows it to weld multiple pipe joints?
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