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Subsea pipelines used as transportation of crude oil. It takes an as laid survey of subsea pipelines to ensure the crude oil transportation. The maintenance of pipelines should be done periodically, to avoid cracking pipe. One of the causes cracking pipeline is due to free span as a result of ocean...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/19875 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Subsea pipelines used as transportation of crude oil. It takes an as laid survey of subsea pipelines to ensure the crude oil transportation. The maintenance of pipelines should be done periodically, to avoid cracking pipe. One of the causes cracking pipeline is due to free span as a result of ocean dynamics such as sand wave, scouring and rock beams. This study is aimed to determine free span pipelines using scanning profiler and side scan sonar in describing the situation and condition of pipelines. The method to determine a condition of pipelines is using free span analysis based on DNV RP-F 105 with free span data as a result scanning profiler and side scan sonar processing. The processing results indicate 28 free spans of pipe along the 6.5km with 10 highrisk condition and 18 others with the safe condition. The high-risk condition of pipelines is recommended to modified. |
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