E玻璃纤维在模拟油气田环境中的腐蚀性能

复合材料科学与工程 ›› 2013, Vol. 0 ›› Issue (8): 21-26.

E玻璃纤维在模拟油气田环境中的腐蚀性能

毛学强¹, 李厚补^2*, 张文波¹, 戚东涛²

1.中国石油塔里木油田公司,库尔勒 841000;
2.中国石油集团石油管工程技术研究院,西安 710065

收稿日期:2013-02-03 出版日期:2013-11-28 发布日期:2022-03-22
通讯作者: 李厚补(1981-),男,博士,工程师,主要从事油气田用非金属与复合材料研究,lihoubu@cnpc.com.cn。
作者简介:毛学强(1971-),男,本科,工程师,主要从事油田化学防腐研究。本文作者还有聂敬忠¹。
基金资助:
中石油塔里木油田分公司技术合作开发项目(201012090136)

CORROSION OF E-GLASS FIBER IN SIMULATED OILFIELD ENVIRONMENTS

MAO Xue-qiang¹, LI Hou-bu², ZHANG Wen-bo¹, QI Dong-tao²

1. PetroChina Tarim Oilfield Company, Korla 841000, China;
2. CNPC Tubular Goods Research Institute, Xi'an 710065, China

Received:2013-02-03 Online:2013-11-28 Published:2022-03-22

摘要/Abstract

摘要： 为探讨E玻璃纤维在油气田环境中的耐腐蚀性能,利用高温高压釜设备,考察了纤维在包含CO₂、H2_S气体和Cl^-溶液的模拟油气田环境中的腐蚀行为。采用SEM、IR、XPS和EDS分析了E玻璃纤维腐蚀前后的形貌、表面结构和元素含量,结合重量和拉伸强度变化,揭示了E玻璃纤维在模拟油气田环境中的腐蚀机理。结果表明: E玻璃纤维在油气田模拟酸性环境腐蚀后拉伸强度降低,其腐蚀机理为离子交换机理,该机理不仅受酸浓度影响,还与复杂离子和不溶性盐的生成有关; E玻璃纤维表面阳离子的浸析打乱了玻璃网络的连续性,破坏了纤维的玻璃结构,导致纤维强度降低。

关键词: 玻璃纤维, 腐蚀, 油气田环境, 离子交换

Abstract: In order to have a better understanding of corrosion behaviors and mechanisms of E-glass fibers in oilfield environments, two different oilfield atmospheres including CO₂, H₂S and Cl^- were firstly given. After different simulated corrosion tests, morphologies of E-glass fibers were gathered using SEM. Chemical bonding status and elemental analysis were systematically investigated by XPS, IR and EDS. The results reveal that corrosion of E-glass fibers in simulated oilfield acidic media is primarily attributed to ion exchange mechanism, which is not only controlled by acid concentration, but also dominate by formation of complex ions or insoluble salts. The depletion of cations on E-glass fiber surface can disrupt the continuity of glass network, thus disturb the glass structure, therefore reducing the strength of fibers.

Key words: glass fiber, corrosion, oilfield environments, ion exchange

中图分类号:

TB332
TE83

毛学强, 李厚补, 张文波, 戚东涛. E玻璃纤维在模拟油气田环境中的腐蚀性能[J]. 复合材料科学与工程, 2013, 0(8): 21-26.

MAO Xue-qiang, LI Hou-bu, ZHANG Wen-bo, QI Dong-tao. CORROSION OF E-GLASS FIBER IN SIMULATED OILFIELD ENVIRONMENTS[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(8): 21-26.

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