| 海底天然气管道不停产改线方案研究 |
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| 引用本文： | 马洪新,潘悦然.海底天然气管道不停产改线方案研究[J].中国海洋平台,2012,27(1):13-16. |
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| 作者姓名： | 马洪新 潘悦然 |
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| 作者单位： | 1. 海洋石油工程股份有限公司,天津,300452
2. 天津大学,天津,300072 |
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| 摘 要： | 本文以国内一条为天然气发电厂供气的外输天然气管道为例，介绍了海底天然气管道不停产改线方案，其重点和难点在于水下带压开孔封堵和新建管线水下试压、清管、干燥和惰化等水下作业。
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| 关 键 词： | 海底管道 试压 天然气 |
Relocation of Subsea Pipeline by Hot Tapping |
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| MA Hong-xin
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PAN Yue-ran.Relocation of Subsea Pipeline by Hot Tapping[J].China offshore Platform,2012,27(1):13-16. |
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| Authors: | MA Hong-xin PAN Yue-ran |
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| Affiliation: | China Offshore Oil Engineering Company, Tianjin 300452, China; Tianjin University, Tianjin 300072, China |
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| Abstract: | This paper takes one gas power plant export line for example, introducing how to relocate the subsea gas line without shut down. The key problem is hot tapping and hydro- static test, pigging, dewatering and deactivation under water. |
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| Keywords: | subsea pipelines hydrostatic test ~ natural gas |
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