使用真实石油样品对浸入刺激乳液中的 X52 和 X80 钢进行腐蚀测试

Q1 Earth and Planetary Sciences Petroleum Research Pub Date : 2024-06-01 DOI:10.1016/j.ptlrs.2024.01.002
L.M. Quej-Ake, J.L. Alamilla, A. Contreras
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引用次数: 0

摘要

本研究旨在评估 X52 和 X80 钢/含有冷凝烃和油田产水的实际石油界面的内部腐蚀过程,这些界面在 45 °C、不同流体动力学条件、1 小时和 24 小时内受到 50/50 体积比混合物的刺激乳化。电化学阻抗光谱和极化曲线监测表明,X80 钢/油田采出水界面比暴露在油田采出水中的 X52 钢更容易受到腐蚀。使用磁力搅拌器 600 rpm + 旋转盘电极 600 rpm 的组合转速降低了 X52 钢的腐蚀率。碳氢化合物+油田采出水和碳氢化合物+去离子水制成的刺激乳液在 24 小时内提高了 X80 钢的腐蚀速率(分别为 0.34 毫米/年和 0.43 毫米/年),促进了侵蚀和点腐蚀的形成。这些类型的腐蚀主要取决于碳氢化合物、油田采出水、暴露时间和研究碳氢化合物的水动力系统的物理化学特性。
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Corrosion testing of X52 and X80 steels immersed in stimulated emulsions using a real petroleum sample

The aim of this study is to evaluate the internal corrosion process on X52 and X80 steels/real petroleum interfaces containing condensed hydrocarbon plus oilfield-produced water, which were subjected to stimulated emulsions using 50/50 vol ratio mixtures at 45 °C, different hydrodynamic conditions, 1 h, and 24 h. A washing process by using deionized water was proposed to simulate and identify the corrosiveness of the hydrocarbon phase after 24 h of exposure time. The characterization by electrochemical impedance spectroscopy and the monitoring of the polarization curves indicated that X80 steel/oilfield-produced water interfaces were more susceptible to corrosion than X52 steel exposed to oilfield-produced water. The combined speed rotation of 600 rpm using a magnetic stirrer + 600 rpm using a rotating disk electrode decreased the corrosion rate on X52 steel. The stimulated emulsions made of hydrocarbon + oilfield-produced water and hydrocarbon + deionized water at 24 h increased the corrosion rate on X80 steel (0.34 mm/year and 0.43 mm/year, respectively), promoting the formation of erosion and pitting corrosion. These types of corrosion depended mainly on the physicochemical properties of the hydrocarbon, oilfield-produced water, exposure times, and hydrodynamic systems in which the hydrocarbon was studied.

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来源期刊
Petroleum Research
Petroleum Research Earth and Planetary Sciences-Geology
CiteScore
7.10
自引率
0.00%
发文量
90
审稿时长
35 weeks
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