
模拟油田溶液中 P110 钢 CO2 腐蚀的电化学行为及 ... - X-MOL
目的本文旨在通过动电位扫描和电化学阻抗谱(EIS)测量进一步研究模拟油田溶液对P110钢在不同温度下CO2腐蚀的行为和机理,特别是讨论腐蚀膜覆盖率的影响。
A Comparative Study of the Corrosion Behavior of P110 Casing
2024年2月28日 · Potentiodynamic polarization curves, electrochemical impedance spectroscopy (EIS), Mott–Schottky tests, and electrochemical noise (EN) tests were used to study the corrosion behavior of P110 casing steel in simulated concrete liquid and …
Electrochemical Impedance Spectroscopy (EIS) of P-110
Download scientific diagram | Electrochemical Impedance Spectroscopy (EIS) of P-110 steel in EDTA-Na4 solution at 25°C and 225 rpm. (a) EIS at OCP.
Electrochemical behavior of tensile stressed P110 steel in CO
2016年11月1日 · An investigation on the electrochemical behavior of P110 steel loaded with different tensile stresses in CO 2 corrosion environment was conducted using electrochemical measurement and surface analysis. The results show that both elastic tensile stress and plastic tensile stress enhance the surface thermodynamic activity of P110 steel.
井下含硫环空液中P110油管钢应力腐蚀开裂的电化学噪声特征
In this work, the SCC behavior of P110 low alloy steel in simulating sulphur-containing annular fluid (SAF) and the effect of S 2- concentration on the initiation and propagation of crack were investigated by slow stress rate test (SSRT), non-destructive electrochemical noise (ECN), SEM and EIS techniques.
Electrochemical behavior and mechanism of CO2 corrosion on P110 …
2011年9月13日 · This paper aims to further investigate the behavior and mechanism in simulated oilfield solution on CO 2 corrosion of P110 steel at various temperatures by potentiodynamic sweep and electrochemical impedance spectroscopy (EIS) measurements, especially discussing the influence of the coverage fraction of corrosion film.
TP110TS和P110钢在CO2注入井环空环境中应力腐蚀行为比较
2020年8月31日 · 利用U形弯试样浸泡实验和电化学测试技术研究了两种油套管钢在CO2注入井环空环境中的应力腐蚀开裂行为。 结果表明,TP110TS钢和P110钢在注入井环空环境 (大量CO2-微量H2S) 下存在一定的应力腐蚀敏感性,其应力腐蚀机制为阳极溶解和氢脆协同作用机制。 在CO2-H2S环境下,咪唑啉类缓蚀剂的浓度对TP110TS和P110油套管钢的应力腐蚀产生不同的影响,添加足量的缓蚀剂对P110钢的应力腐蚀行为产生较好的抑制效果;但当添加量不足时,缓 …
Electrochemical behavior and mechanism of CO2 corrosion on P110 …
Purpose – This paper aims to further investigate the behavior and mechanism in simulated oilfield solution on CO2 corrosion of P110 steel at various temperatures by potentiodynamic sweep and electrochemical impedance spectroscopy (EIS) measurements, especially discussing the influence of the coverage fraction of corrosion film.Design ...
Electrochemical impedance spectroscopy (EIS) measurements can provide insight into the corrosion mechanisms occurring at the interface. Therefore, to give a deeper investigation on the growth of the corrosion film and corrosion mechanism for the P110 steel in the CO2-saturated solution, the EIS measurements were performed in this section.
氨基安替比林衍生物作为 P110 钢在模拟酸化环境中的新型环保缓 …
摘要 本文使用失重、电化学阻抗谱 (EIS) 和动电位极化 (PDP) 等标准技术,在 15% 盐酸溶液中对 P110 钢上的氨基安替比林 (AAPs) 衍生物进行合成和缓蚀评估。