| 深水海底管道的直缝埋弧焊钢管特点及DWTT性能影响因素分析 |
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| 引用本文： | 梁羽,张文斌,陈裕彬,王国杰,全红雷,常世君.深水海底管道的直缝埋弧焊钢管特点及DWTT性能影响因素分析[J].新技术新工艺,2014(4):102-105. |
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| 作者姓名： | 梁羽 张文斌 陈裕彬 王国杰 全红雷 常世君 |
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| 作者单位： | 中海石油（中国）有限公司南海深水天然气开发项目组,广东深圳518000 |
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| 摘 要： | 分析了深水海底管道计的技术特点,并就深水海底管道的较大壁厚、直缝埋弧焊钢管的变形率以及微观组织的均匀性,对落锤撕裂试验(drop weight teat test,简称DWTT)止裂性能的影响进行了分析,认为采取减小有效晶粒尺寸和降低夹杂物含量等措施,均有利于提高深水海底管道DWTT的断裂韧度。
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| 关 键 词： | 深水 海底管线 DWTT 变形率 |
Deep Water Straight Seam DWTT Performance Characteristics and Influencing Factors Analysis of Submerged Arc Welded Pipe Subsea Pipeline |
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| LIANG Yu,ZHANG Wenbin,CHEN Yubin,WANG Guojie,QUAN Honglei,CHANG Shijun.Deep Water Straight Seam DWTT Performance Characteristics and Influencing Factors Analysis of Submerged Arc Welded Pipe Subsea Pipeline[J].New Technology & New Process,2014(4):102-105. |
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| Authors: | LIANG Yu ZHANG Wenbin CHEN Yubin WANG Guojie QUAN Honglei CHANG Shijun |
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| Affiliation: | (China Sea Deepwater Gas Development Project Team, CNOOC (China) Co. , Ltd. Shenzhen 518000,China) |
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| Abstract: | The paper analyses the effect on DWTT performance considered to take effective grain proved fracture toughness DWTT the technical characteristics of design to submarine pipeline in deep water, and analyses of larger wall thickness, deformation rate of SAWL pipe, microstructure uniformity. It is size decreases, reducing the inclusion content and other measures are conducive to im- deepwater sub sea pipelines. |
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| Keywords: | deep water submarine pipeline DWTT deformation rate |
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