国外高酸性气田低流速管线腐蚀现状与防腐蚀措施
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- 英文论文题名：Corrosion and Inhibition of Low-velocity Pipelines for Sour Gas Field in Foreign Countries
- 论文作者：吴贵阳 ; 闫静 ; 蓝琼 ; 莫林 ; 王月 ; 刘志德 ; 谢旭龙
- 英文论文作者：WU Gui-yang ; YAN Jing ; LAN Qiong ; MO Lin ; WANG Yue ; LIU Zhi-de ; XIE Xu-Long ; Research Institute of Natural Gas Technology ; PetroChina Southwest Oil&Gasfield Co. ; Chuanzhong Oil Gas Mining
- 年：2014
- 作者机构：中国石油西南油气田分公司天然气研究院;中国石油西南油气田分公司川中油气矿;
- 论文关键词：高酸性气田 ; 低流速管线 ; 腐蚀与防护
- 英文论文关键词：sour gas field ; low-velocity pipeline ; corrosion and inhibition
- 会议召开时间：2014-07-28
- 会议录名称：第十八届全国缓蚀剂学术讨论会论文集
- 语种：中文
- 分类号：TE988.2
- 学会代码：ZGHA
- 会议名称：第十八届全国缓蚀剂学术讨论及应用技术经验交流会
- 会议地点：中国四川成都
- 主办单位：中国腐蚀与防护学会缓蚀剂专业委员会
- 学会名称：中国腐蚀与防护学会缓蚀剂专业委员会
- 页数：4
- 文件大小：292k
- 原文格式：O
- 会议级别：全国
摘要
本文调研了国外高酸性气田低流速管线的腐蚀状况,认为其腐蚀原因在于管道内容易积水、污泥/腐蚀产物/固体物质等,从而引发垢下腐蚀,再加上H_2S、CO_2、元素硫以及水中Cl的存在,容易造成管线腐蚀穿孔。井口到分离器管线有的采用内涂层,有的采用缓蚀剂;单井站到集气站、集气站到集气总站一般采用定期清管预膜+连续加注缓蚀剂的防腐蚀工艺技术。最后结合国内高酸性气田低流速管线的现状提出有针对性的建议。
In this paper the corrosion of the low-velocity pipelines at sour gas field of foreign countries was investigated,corrosion reasons were analyzed,that due to the produced water and sludge/corrosion products/solid substances easily deposited in pipelines,coupled with H_22S、CO_2、elemental sulfur and Cl,corrosion perforation of pipeline was happened easily.Coating protection or inhibitor were taken in the pipelines of the well station to gasliquid separator;The technology of regular pigging pre-film + continuous filling inhibitor was taken from singlewell /gas gathering station to gas gathering station.The protection of the low-velocity pipelines was instructed by combining status of domestic sour gas field.
In this paper the corrosion of the low-velocity pipelines at sour gas field of foreign countries was investigated,corrosion reasons were analyzed,that due to the produced water and sludge/corrosion products/solid substances easily deposited in pipelines,coupled with H_22S、CO_2、elemental sulfur and Cl,corrosion perforation of pipeline was happened easily.Coating protection or inhibitor were taken in the pipelines of the well station to gasliquid separator;The technology of regular pigging pre-film + continuous filling inhibitor was taken from singlewell /gas gathering station to gas gathering station.The protection of the low-velocity pipelines was instructed by combining status of domestic sour gas field.
引文
[1]路民旭,白真权,赵新伟,等.油气采集储运中的腐蚀现状及典型案例[J].腐蚀与防护,2002,23(3):105-113.
[2]叶帆,李新勇,刘强,等.雅克拉气田集输管线的腐蚀及其防冶[J].腐蚀与防护,2008,29(11):710-712.
[3]刘志德,谷坛,唐永帆,等.高酸性气田地面集输管线电化学腐蚀研究[J].石油与天然气化工,2007(1):66-69.
[4]PAILLASSA R.Corrosion control in the gathering system at Lacq sour gas field 2nd inti.congress on metallic corrosion[C]//New York:NACE,PP410-417:1963.
[2]叶帆,李新勇,刘强,等.雅克拉气田集输管线的腐蚀及其防冶[J].腐蚀与防护,2008,29(11):710-712.
[3]刘志德,谷坛,唐永帆,等.高酸性气田地面集输管线电化学腐蚀研究[J].石油与天然气化工,2007(1):66-69.
[4]PAILLASSA R.Corrosion control in the gathering system at Lacq sour gas field 2nd inti.congress on metallic corrosion[C]//New York:NACE,PP410-417:1963.