高矿化水环境下除油器内强制电流阴极保护技术应用

宋刚, 高秋英, 曾文广, 刘强, 刘强

doi:10.16577/j.issn.1001-1560.2022.0233

材料保护 >

2022 , Vol. 55 >Issue 8: 178 - 182

DOI: https://doi.org/10.16577/j.issn.1001-1560.2022.0233

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高矿化水环境下除油器内强制电流阴极保护技术应用

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(1. 中国石油化工集团公司生产经营管理部，北京 100728；2. 中国石油化工股份有限公司西北油田分公司，新疆乌鲁木齐 830011；3. 中国石油化工集团公司碳酸盐岩缝洞型油藏提高采收率重点实验室，新疆乌鲁木齐 830011；4. 安科工程技术研究院(北京)有限公司，北京 102209)

高秋英(1980-)，副研究员，硕士研究生，主要从事油田腐蚀与防护技术研究工作，电话：0991-3161043，E - mail: gaoqy.xbsj@sinopec.com

收稿日期: 2022-02-26

修回日期: 2022-03-22

录用日期: 2022-04-12

网络出版日期: 2023-12-17

基金资助

国家重大专项“塔里木盆地碳酸盐岩油气田提高采收率关键技术示范工程”(2016ZX05053)；中国石化重点项目课题“站内设备腐蚀评估与防护技术研究”(319016 - 5)资助

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Application of Forced Current Cathodic Protection Technology in Oil Remover under Highly Mineralized Water Environment

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(1. Production and Operation Management Department of China Petroleum and Chemical Corporation, Beijing 100728, China;2. Northwest Company of China Petroleum and Chemical Corporation, Urumqi 830011, China;3. Key Laboratory of Enhanced Oil Recovery in Carbonate Fractured - Vuggy Reservoirs, SINOPEC, Urumqi 830011, China;4. Safetech Research Institute Co., Ltd., Beijing 102209, China)

Received date: 2022-02-26

Revised date: 2022-03-22

Accepted date: 2022-04-12

Online published: 2023-12-17

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摘要

塔河油田污水处理系统介质工况复杂苛刻，除油器采用强制电流阴极保护技术可以有效控制站场腐蚀、延长使用寿命及提高除油效率。利用理论和实践相结合的研究方法，结合国内外标准规范，从设计、施工、评价3方面出发，提出了强制电流参数的计算方式、辅助阳极块的选取、恒电位仪的选取，介绍了辅助阳极块安装位置和安装形式，总结了施工质量控制关键点和要求，分析探讨了强制电流阴极保护技术现场应用情况，从应用前必要性分析、现场参数确定、效果评价3个层次分析其在塔河油田的适用性。事实证明：现场应用后有效控制了污水处理系统设备腐蚀问题，保障了油气处理系统的安全和稳定运行。

关键词： 油田; 强制电流阴极保护; 除油器

本文引用格式

宋刚, 高秋英, 曾文广, 刘强, 刘强 . 高矿化水环境下除油器内强制电流阴极保护技术应用[J]. 材料保护, 2022 , 55(8) : 178 -182 . DOI: 10.16577/j.issn.1001-1560.2022.0233

Abstract

The working condition of medium in the Tahe Oilfield sewage treatment system is complicated and harsh, and the forced current cathodic protection technology can effectively control the station corrosion, prolong the service life and improve the oil removal efficiency. Based on the research method of combining theory with practice and taking into account the relevant domestic and foreign standards and codes, the calculation method of the forced current parameters, the selection of the auxiliary anode block and the selection of the potentiostat were put forward from the aspects of design, construction and evaluation. The installation position and form of the auxiliary anode block were introduced, the key points and requirements of the construction quality control were summarized, and the field application of the forced current cathodic protection technology was analyzed and discussed. Besides, its applicability in Tahe Oilfield was analyzed from three levels: pre - application necessity analysis, field parameter determination and effect evaluation. It was proved that after applying the above - mentioned technology, the corrosion problem of sewage treatment system was effectively controlled, the safe and stable operation of the oil and gas processing system was ensured.

Key words： oil field; forced current cathodic protection; oil remover

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