SES-2000浅地层剖面仪在福建LNG海底管道检测中的应用  

APPLICATION OF SES-2000 SUB-BOTTOM PROFILER TO DETECTION OF LNG SUBMARINE PIPELINES IN THE OFFSHORE FUJIAN PROVINCE

作　　者：宋永东 杨慧良[2] 栾振东[1,3] 王冰[1] 连超[3] 阎军[1] SONG Yongdong;YANG Huiliang;LUAN Zhendong;WANG Bing;LIAN Chao;YAN Jun(Key Laboratory of Marine Geology and Environment,Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China;Qingdao Institute of Marine Geologyical,China Geological Survey,Qingdao 266071,China;Center of Deep Sea Research,Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China)

机构地区：[1]中国科学院海洋研究所海洋地质与环境重点实验室,青岛266071 [2]中国地质调查局青岛海洋地质研究所,青岛266071 [3]中国科学院海洋研究所深海极端环境与生命过程研究中心,青岛266071

出　　处：《海洋地质前沿》2020年第5期73-77,共5页Marine Geology Frontiers

基　　金：中国科学院战略性先导科技专项(A类)“近海与海岸信息集成与演示”(XDA19060201)。

摘　　要：利用声学浅地层剖面仪对海底管道在海底的赋存状态检测是确保海底输油气管道安全运行的重要措施之一。介绍了新型参量阵浅地层剖面仪SES-2000的基本原理及其特点,通过对福建湄洲湾LNG海底管道检测实际应用,有效识别出了埋藏、裸露和悬空等3类海底管道赋存状态,尤其对沙包回填治理后的管道埋深能有效探测识别。检测结果表明,该设备具有高分辨率和强穿透的特点,稳定性好,能获取高品质的管道检测数据,应用效果良好。获取的基础数据为海底管道日常维护提供了科学依据和技术支持。In order to ensure the safety of submarine oil and gas pipelines,it is importantto knowthe status of submarine pipelines with time.SES-2000 acoustic sub-bottom profiler is selected as the tool for a case study in Meizhou Bay of Fujian province.In this paper,we briefly introduced the principles and features of the sub-bottom profiler,and presented the results of the study case.Buried,exposed and suspended submarine pipelines are effectively identified,and especially the pipe system after sand bag back filling is effectively detected.The application results suggest that SES-2000 sub-bottom profiler has high resolution and strong penetration.It may effectively acquire high-quality pipeline data for application and provide scientific evidences and technical supports for the maintenance of submarine pipelines.

关 键 词：SES-2000浅地层剖面仪 海底管道检测 埋藏状态 湄洲湾 

分 类 号：P756.2[天文地球—海洋科学]