| 格拉管道防腐层再次检漏补漏实践 |
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| 引用本文： | 姚志祥.格拉管道防腐层再次检漏补漏实践[J].油气储运,1996,15(10):28-31. |
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| 作者姓名： | 姚志祥 |
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| 作者单位： | 中国人民解放军59243部队 |
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| 摘 要： | 格尔木至拉萨成品油管道已运行２０ａ，由于自然环境恶劣，地质条件复杂及人为破坏，致使管道防腐层损坏严重。
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| 关 键 词： | 成品油 管道泄漏 检查 防腐 施工 |
The Second Leak Inspection and Repairing for Golmud-Lhasa Pipeline |
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| Yao Zhixang.The Second Leak Inspection and Repairing for Golmud-Lhasa Pipeline[J].Oil & Gas Storage and Transportation,1996,15(10):28-31. |
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| Authors: | Yao Zhixang |
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| Institution: | Yao Zhixang |
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| Abstract: | Having being in operation for 20 years, Golmud-Lhasa Products Pipeline suffered from grievous coating damages due to unfavorable environment, complex geology and artifacial destructive activities. In a period of four years and at a cost of 1.08 million RMB, the second leak inspection and repairing over the 1, 080 km pipeline was made, and 14,236 leak points discovered, excavated and recoated per new specifications with construction method, techniques and expences as well as pipeline corrosion information described in detail. The following reasons for coating damages are introduced :(1)soaking with salty water, (2) wheathering, (3)repeatative rolling by construction machinery on Qinghai-Tibet Highway, and(4)poor coating quality. After leakage repairing, the pipeline performances were recovered, and scientific experiences provided for pipeline management and production planning. |
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| Keywords: | products pipeline leakage inspection corrosion control construction |
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