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套管腐蚀的预防及治理工艺技术
石油钻采工艺
1995年 17卷 第2期
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Title
PREVENTION AND CONTROL TECHNOLOGY OF CASING CORROSION
Authors
Huang Yulin
Dai Zufu
摘要
油水井套管腐蚀破损是油田开发中较普遍的问题,长庆油田套管腐蚀破损情况十分严重,因此,自1989年以来,即着手研究攻克这一技术难题。经过6年的实践与探索,目前已形成了四套共七种套管腐蚀破损的预防及治理工艺技术,较好地解决了复杂情况下的套管腐蚀问题。本文就四套七种预防治理工艺方法做了较详细介绍。
Abstract
Casing corrosion of oil and water wells is a common problem in oilfield development.Casing corrosion of Changqing oilfield is more complex than that of other oilfields at home and abroad.Therefore, we have made research on this difficult problem since 1979. So far, 4 sets of technology including 7 prevent and control techniques of casing corrosion have been taken shape,the casing corrosion problems at various complicated conditions are solved properly. Those techniques lay a foundation for the development of Changqing oilfield. This paper gives a minute introduction to those techniques.
关键词：
套管腐蚀;
套管损坏;
套管修理;
电化腐蚀;
阴极保护;
涂层;
隔水和采油两用套管柱;
套管补贴;
Keywords:
casing corrosion;
casing failure;
casing repair;
electrochemical corrosion;
cathodic protection;
coating;
combined casing column;
casing patching;
DOI
10.3969/j.issn.1000-7393.1995.02.017
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