碳钢在含沙油田水中腐蚀-磨损交互作用研究

中国腐蚀与防护学报

2000, Vol. 20

Issue (5): 281-286

研究报告

本期目录 | 过刊浏览

碳钢在含沙油田水中腐蚀-磨损交互作用研究

翁永基;李相怡

北京石油大学

A STUDY ON SYNERGISM BETWEEN EROSION AND CORROSION OF CARBON STEEL IN SANDY OILFIELD BRINES

Yongyi Weng;

北京石油大学

全文: PDF(178 KB)

摘要: 用自制的旋转试片摩擦电化学装置,参照油气生产过程,研究含沙油水田中碳钢的腐蚀-磨损.试验结果发现,交互作用强度很大,并在适中腐蚀性和磨损条件时处于极值.本研究条件下交互作用和纯腐蚀的两者对数值呈良好线性关系.

关键词 ：碳钢, 油田水, 腐蚀-磨损

Abstract：The erosion-corrosion of carbon steels in sandy oilfield brines has been investigated under controlled conditions (0-2.7m/s of flow velocity and 0-30%(v/v)of sand contents ) that were analogous to oil& gas production by means of newly designed tribo-electrochemical apparatus with rotating coupons.The four items,i.e.total wear rate VT,the pure erosion wear rate VE,the corrosion wear rate in absence of erosion VC and the corrosion wear rate in presence of erosion were determined in identity units .The first two items were measured by weight loss method and the last two measured by electrochemical methods.Based on these dta the components of synergism VS.the added corrosion value △C caused by wear and the added wear value △E caused by corrosion were calculated.After enough experimental data were analyzed,it was found that the percentage of the synergism was very large and was the maximum (more than 85%)in a range of middle VC and middle VE.In present test condition the synergism VS had good linear relationship with pure corrosion Vc on a log-log scale. The added erosion △E was the dominant part of VS and had linear relationship with VS.In addition,△E also had linear relatonship with pure corroson VC on a log-log scale.

Key words： carbon steel oifield brine erosion-corrosion

收稿日期: 1999-09-07

ZTFLH:

TG172.2

通讯作者: 翁永基

Corresponding author: Yongyi Weng

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引用本文:

翁永基; 李相怡 . 碳钢在含沙油田水中腐蚀-磨损交互作用研究[J]. 中国腐蚀与防护学报, 2000, 20(5): 281-286 .
Yongyi Weng. A STUDY ON SYNERGISM BETWEEN EROSION AND CORROSION OF CARBON STEEL IN SANDY OILFIELD BRINES. J Chin Soc Corr Pro, 2000, 20(5): 281-286 .

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2000/V20/I5/281

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