| 浅析天然气汇管开裂原因与预防 |
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| 引用本文： | 白金亮. 浅析天然气汇管开裂原因与预防[J]. 石油工业技术监督, 2012, 28(1): 16-17 |
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| 作者姓名： | 白金亮 |
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| 作者单位： | 中国石油长庆油田分公司技术监测中心,陕西西安,710021 |
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| 摘 要： | 通过对天然气汇管截面应力场的探讨,分析了汇管表面裂纹产生的原因并提出了相应预防措施。得出长庆油田第一采气厂出现表面裂纹的7台管汇是由于焊接和热处理工艺不当使残余应力过大所致。
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| 关 键 词： | 汇管 表面裂纹 原因分析 预防措施 |
An Analysis on Causes and Precautions for the Cracks of Natural Gas Manifolds |
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| Bai Jinliang. An Analysis on Causes and Precautions for the Cracks of Natural Gas Manifolds[J]. Technology Supervision In Petroleum Industry, 2012, 28(1): 16-17 |
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| Authors: | Bai Jinliang |
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| Affiliation: | Bai Jinliang |
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| Abstract: | Based on the discussion on the stress field of natural gas manifold section,an analysis is carried out about the causes of cracks appearance on the surface of manifold,together with some presentation of some corresponding preventive measures.It is concluded that 7 manifolds with surfacial cracks appearing in No.1 oil gas factory of changqing oilfields are due to the mcorrect technology of welding and heat treatment,whith makes the left stress too big. |
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| Keywords: | manifold/pipeline surface crack cause analysis preventive measures |
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