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Application of Side-scan Sonar and Sub-bottom Profiler in Locating Fracture Positions of Submarine Pipelines
Pages: 79-82
Year: Issue:  1
Journal: Hydrographic Surveying and Charting

Keyword:  side-scan sonarsub-bottom profilersubmarine pipelinesfractureabnormal characteristicslocation;
Abstract: 结合侧扫声纳和浅地层剖面仪能够探测出海底管道附近异常,路由区浅层地质灾害以及海底管道位置等特点,通过实例探讨了侧扫声纳和浅地层剖面仪在海底管道断裂位置定位中的应用.船锚、浅层气等外力作用,导致海底油气管道断裂,使用侧扫声纳和浅地层剖面仪探测的方法,综合分析海水中的气体屏蔽现象、海底面的地貌异常特征、海底管道的平面位置及埋深变化、地层剖面的反射空白等异常特征,快速准确定位海底油气管道断裂位置.
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