李巍,胡智焕,李欣,孙浩,WANG Andy,田新亮,张卫东.新型双船起重拆除平台试验研究[J].海洋工程,2020,38(1):30~41
新型双船起重拆除平台试验研究
Development of an experimental system for the twin-lift decommissioning operation
  
DOI:10.16483/j.issn.1005-9865.2020.01.004
中文关键词:  动力定位  双船协同  拆除平台  半潜船  海上平台  浮托安装
英文关键词:dynamic positioning  twin vessel cooperation  platform decommissioning  semi-submerged vessel  offshore platform  floating installation
基金项目:工信部深水半潜式支持平台研发专项经费资助(工信部联装函[2016]546号)
作者单位E-mail
李巍 海洋工程国家重点试验室(上海交通大学)上海 200240
高新船舶与深海开发装备协同创新中心上海 200240 
sjtu_leo@sjtu.edu.cn 
胡智焕 上海交通大学 自动化系上海 200240  
李欣 海洋工程国家重点试验室(上海交通大学)上海 200240
高新船舶与深海开发装备协同创新中心上海 200240 
lixin@sjtu.edu.cn 
孙浩 中远海运特种运输股份有限公司广东 广州 600428  
WANG Andy DNV GL Oil & Gas上海 200336  
田新亮 海洋工程国家重点试验室(上海交通大学)上海 200240
高新船舶与深海开发装备协同创新中心上海 200240 
 
张卫东 上海交通大学 自动化系上海 200240  
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中文摘要:
      拆除大型海上结构物是一项非常复杂且充满挑战的工程。现提出一种新型海上平台拆除方案,该方案利用三条半潜船来代替具有重型起重装置的单一船舶,通过两艘相同的半潜船将平台上层建筑托起,随后运至第三艘半潜船上完成平台拆除。在风浪流作用下,半潜船和平台的所处方位和运动姿态一直处于动态变化中,这对船舶调节压载的稳定性以及双船运动的同步性提出了要求。为了确保该方案的高效性和安全性,设计了一套完整的模型试验装置,包括船舶模型、平台拆卸辅助设备、六自由度运动采集与分析系统、控制系统、无线通讯系统以及测量系统。开展了相应的水池试验,试验结果验证了双船起重拆除平台方案中双船协同运输这一关键环节的可行性和安全性。
英文摘要:
      Removal of a large offshore structure is a highly complex exercise that poses significant safety challenges. An innovative concept has been developed to remove large and heavy structures with a single lift, utilizing three semi-submerged vessels. Such a twin-lift solution for decommissioning involves an operation of lifting of a topside structure, which is carried on two semi-submerged vessels to the third semi-submerged vessel. Although the method appears simple, it requires adequate stability using ballast tank, and synchronized motion of moving vessels, especially under environmental disturbances. In order to ensure efficiency and safety, it is vital to perform a wave tank test for such a twin-lift decommissioning solution. In this paper, we present the implementation of a model test of twin-lift decommissioning operation. A complete set of experimental equipment was developed for the twin-lift decommissioning operation, including vessel models, decommissioning aids, 6 Degree of freedom (DOF) motion capture and analysis system, control system, wireless communication system and monitoring system. And experimental results of twin vessel cooperation are presented. The test results verify the feasibility and safety of the key aspects of the twin-lift decommissioning operation.
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