耐CO_2腐蚀注采管柱评价与选用

腐蚀与防护, 2012, 33(3): 239-250.

耐CO_2腐蚀注采管柱评价与选用

刘建新 ^1, , 田启忠 ^2, , 张瑞霞 ^3, , 董社霞 ^4,

1.胜利油田采油工艺研究院,东营257000

2.胜利油田采油工艺研究院,东营257000

3.胜利油田采油工艺研究院,东营257000

4.胜利油田采油工艺研究院,东营257000

基金项目: 中石化股份公司重大先导试验项目(P07087)

关键词： CO2腐蚀 , 防腐蚀 , 油管

Evaluation and Selection of Tubes for Anti CO_2 Corrosion

Keywords： CO2 corrosion , anti-corrosion , oil tube

CO2腐蚀是油田开发过程中的一个严重问题。采用高温高压釜模拟高含CO2环境,采用失重法研究了13Cr油管试片、镀钨合金试片的防腐蚀性能,并和N80油管试片进行了比较,分析了现场应用效果。结果表明,在富CO2环境下,13Cr油管和镀钨合金管柱的腐蚀速率远小于N80,可作为CO2驱注采防腐蚀管柱。

CO2 corrosion is a serious problem in the process of oil field development.Autoclave was used to simulate the environments of high content of CO2.The anti-corrosion performance of 13Cr alloy samples and tungalloy samples was analyzed by weight loss method,and compared to that of N80 respectively.The application effect in field case was analyzed.The results showed that the corrosion rate of 13Cr alloy and tungalloy was lower than that of N80.Based on the experimental results,two sorts of anti-corrosion tube can be used as anti CO2 corrosion oil tubes.

参考文献

[1]	陈长风,赵国仙,严密林,白真权,路民旭,杨延清.含Cr油套管钢CO2腐蚀产物膜特征[J].中国腐蚀与防护学报,2002(06):335-338.
[2]	陈长风,路民旭,赵国仙,白真权,严密林,杨延清.含1%Cr的N80钢CO2腐蚀产物膜特征[J].中国腐蚀与防护学报,2003(06):330-334.
[3]	龙媛媛,许卫国,张洁,尹春峰,李爱军.钨基非晶合金镀层对油套管用钢的防蚀阻垢性能[J].腐蚀与防护,2010(04):316-317.

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