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[1]刘沛华,陈刚,李志潇.基于光电子能谱的高含水输油管道内壁腐蚀减薄试验分析[J].中国安全生产科学技术,2016,12(6):116-122.[doi:10.11731/j.issn.1673-193x.2016.06.021]
 LIU Peihua,CHEN Gang,LI Zhixiao.Experimental analysis on internal wall corrosion thinning phenomenon of oil transmission pipelines with high water cut based on photoelectron spectroscopy[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(6):116-122.[doi:10.11731/j.issn.1673-193x.2016.06.021]
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基于光电子能谱的高含水输油管道内壁腐蚀减薄试验分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
12
期数:
2016年6期
页码:
116-122
栏目:
现代职业安全卫生管理与技术
出版日期:
2016-06-30

文章信息/Info

Title:
Experimental analysis on internal wall corrosion thinning phenomenon of oil transmission pipelines with high water cut based on photoelectron spectroscopy
作者:
刘沛华12陈刚3李志潇4
(1.长庆油田分公司 油气工艺研究院,陕西 西安 710018;2.低渗透油气田勘探开发国家工程实验室,陕西 西安 710018; 3.长庆油田分公司 安全环保处,陕西 西安 710018;4.长庆油田分公司 第十采油厂, 陕西 庆阳 745000)
Author(s):
LIU Peihua12 CHEN Gang3 LI Zhixiao4
(1. Research Institute of Oil and Gas Technology of Changqing Oilfield Company, Xi'an Shanxi 710018, China; 2. National Engineering Laboratory for Exploration and Development of Low-permeability Oil and Gas Field, Xi'an Shanxi 710018, China;3. Department of Safety and Environmental Protection of Changqing Oilfield Company, Xi'an Shanxi 710018, China; 4. Oil Production Plant No.10 of Changqing Oilfield Company, Qingyang Shanxi 745000, China)
关键词:
X光电能谱高含水输油管道腐蚀减薄溶解氧腐蚀氯离子腐蚀边缘腐蚀状态
Keywords:
X-ray photoelectron spectroscopy high water cut oil transmission pipeline corrosion thinning dissolved oxygen corrosion chloride ion corrosion edge corrosion state
分类号:
X944.4
DOI:
10.11731/j.issn.1673-193x.2016.06.021
文献标志码:
A
摘要:
鄂尔多斯盆地高含水输油管道内壁腐蚀减薄现象普遍,腐蚀穿孔频次逐年上升,管道安全防护管理成为难题。为了识别输油管道内壁腐蚀减薄原因,作者在分析含水率、地层水水型、溶解氧对管道内腐蚀影响的基础上选择特征试验管段,基于X射线光电子能谱技术开展管道内壁厚度变化、金相组织、腐蚀产物特性、边缘腐蚀状态研究。结果表明:高含水输油管道内壁腐蚀减薄类型为Cl+O2+H2O环境下的垢下腐蚀,以溶解氧(O2)腐蚀为主,氯离子(Cl-)腐蚀为辅;内壁腐蚀减薄原因为原油含水率过高、水中氯离子含量过高、水中含有溶解氧和介质流速偏低。
Abstract:
The internal wall corrosion thinning phenomenon has been more common and the frequency of corrosion perforation increased year by year for oil transmission pipelines with high water cut in the Ordos Basin, resulting in the high challenge for safety protection and management of pipelines. In order to identify the causes of internal wall corrosion thinning for oil transmission pipelines, the characteristic test pipeline section was selected based on analyzing the influence of water content, formation water types and dissolved oxygen on internal corrosion of pipeline. The research on the variation in thickness, metallographic structure, characteristics of corrosion products and edge corrosion state for internal wall of oil transmission pipelines were conducted based on the X-ray photoelectron spectroscopy technology. The results showed that the internal wall corrosion thinning type of oil transmission pipelines with high water cut is the under-deposit corrosion under the Cl+O2+H2O environment, which is mainly dissolved oxygen (O2) corrosion, complementing with chloride ion (Cl-) corrosion. The causes of internal wall corrosion thinning include too high water content in crude oil, too high chloride ion content in water, dissolved oxygen in water and lower flow velocity of medium in oil transmission pipelines.

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更新日期/Last Update: 2016-06-30