基于多因素化学计量驱动的 H2S/CO2 共存深井环境中 P110S 钢寿命预测模型

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Corrosion Science Pub Date : 2024-09-24 DOI:10.1016/j.corsci.2024.112475

Hao Xue , Qiuying Gao , Yang Zhao , Xuanpeng Li , Ji Chen , Tao Zhang , Fuhui Wang

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引用次数: 0

摘要

提出了一种用于预测 P110S 钢在 H₂S/CO₂ 共存的深井环境中寿命的机理化学计量学模型。该模型是通过考虑均匀腐蚀和点蚀之间的相互作用机制而建立的，然后使用包含温度/压力、流速、应力的多因素化学计量驱动对模型进行了修改。最后，利用有限元设计和直流电位降测量对凹坑到裂缝的转变进行建模，完成了寿命预测过程。该模型预测了不同井深下 2.28-5.25 年的寿命，这一结果与现场数据进行了验证，表明了模型的准确性。本文提供的知识范例将有助于腐蚀预测。

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A life prediction model for P110S steel in deep-well environments with H2S/CO2 coexistence based on multi-factor chemometric drive

A mechanistic-chemometrics model for life prediction of P110S steel in deep-well environments with H₂S/CO₂ coexistence was proposed. The model was developed by considering the interaction mechanism between uniform and pitting corrosion, then modified using a multi-factor chemometric drive incorporating temperature/pressure, flow velocity, stress. Finally, the pit-to-crack transition was modeled using finite element design and direct current potential drop measurements, completing the life prediction process. The model predicts a lifespan of 2.28–5.25 years at different well depths, and this result was validated with on-site data, indicating the model’s accuracy. The knowledge paradigm provided herein will assist in corrosion prediction.

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.