[1]刘长松,张强德.中原油田套管内腐蚀机理及腐蚀控制技术[J].石油钻采工艺,2007,29(5):107-110.[doi:10.3969/j.issn.1000-7393.2007.05.030]
　LIU Chang-song,ZHANG Qiangde.Inner corrosion mechanism of casing and its control technology in Zhongyuan Oilfield[J].Oil Drilling & Production Technology,2007,29(5):107-110.[doi:10.3969/j.issn.1000-7393.2007.05.030]
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中原油田套管内腐蚀机理及腐蚀控制技术
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
29卷
期数:
2007年5期
页码:
107-110
栏目:
技术之窗
出版日期:
2007-10-20

文章信息/Info

Title:
Inner corrosion mechanism of casing and its control technology in Zhongyuan Oilfield
作者:
刘长松;  张强德
中原油田公司油气技术管理部, 河南濮阳 457001
Author(s):
LIU Chang-song;  ZHANG Qiangde
Oil and Gas Management Department of Zhongyuan Oilfield Company, Puyang 457001, He’nan, China
关键词:
腐蚀; 套管; 硫酸盐还原菌; 控制技术
Keywords:
corrosion; casing; SRB; control technology
分类号:
TE983
DOI:
10.3969/j.issn.1000-7393.2007.05.030
摘要:
套管腐蚀问题严重制约着中原油田的发展。通过套管腐蚀调查与腐蚀机理研究发现,中原油田注水井套管普遍存在严重内腐蚀,SRB细菌是腐蚀的主要影响因素。油井套管内腐蚀较轻,其中HCO3-在油井套管内腐蚀因素中占主要地位。针对造成套管内外腐蚀的主要原因,研究了套管内腐蚀控制技术。对于油井套管内腐蚀,研制了GHJ高效油井缓蚀剂及固体缓蚀剂;对于注水井套管内腐蚀,研究了高pH值注入水定期洗井技术与环空保护液XHK-1、XHK-2。现场应用证明,套管腐蚀控制技术有效地减缓了油水井腐蚀速度,改善了油水井井况,取得了明显的社会和经济效益。
Abstract:
Corrosion of casing greatly restricts the development of Zhongyuan Oilfield.It is concluded that inner corrosion is serious in the water wells of the oilfield,as well as sulfate reducing bacteria(SRB) is the main factor of corrosion based on the investigation of casing corrosion and the research on corrosion mechanism.Inner corrosion of oil well casing is not very serious,of which HCO3-is the main factor that causes the corrosion.In view of the causes of internal and external corrosion of casing,the inner corrosion control technology is developed.Effective GHJ corrosion inhibitor of oil wells and solid corrosion inhibitor are developed to deal with the corrosion of oil wells casing.And the periodic technology of washing wells with high ph value injection water and two types of annulus protection fluid XHK-1 and XHK-2 are developed to deal with the inner corrosion of injection wells casing.On-site application shows that the control technology effectively slows down the carrion rate of oil-water wells and improves the conditions of oil-water wells.Great economic benefits and social results are obtained.

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备注/Memo

备注/Memo:
收稿日期:2007-06-06;改回日期:2007-08-08。
基金项目:该论文内容来自西安交通大学、中石油管材研究所、中原油田等单位所承担项目"油套管损伤综合治理技术",;陕西省自然科学基金(项目编号:2001C54);中国石油天然气总公司中青年创新基金(项目编号:2000CX-17)的联合资助。
作者简介:刘长松,1970年生。1993年毕业于西安石油学院采油工程专业,2005年获西安交通大学材料工程硕士学位,高级工程师。电话:0393-4822087,E-mail:lcsdyhzpeb
更新日期/Last Update: 1900-01-01