高温高压超深井油管选材
Tubing Material Selection of High Temperature and High Pressure Ultradeep Well
摘 要
东海某油田超深井井下腐蚀环境恶劣，其温度、压力已经超出了中海油现有的选材图版应用范围，无法根据选材图版直接选材。通过室内模拟试验模拟该油田储层的腐蚀环境，研究了L80-13Cr、P110-13Cr钢在该条件下的耐蚀性。结果表明: L80-13Cr钢不能满足使用要求，P110-13Cr钢能满足使用要求。
13Cr油管
腐蚀模拟
寿命评估
high temperature and high pressure (HTHP)
13Cr tubing
corrosion simulation
remaining life assessment
Abstract
In the harsh environment of ultradeep wells of some oilfield in East China Sea, the temperature and pressure exceed the range of existing material selection chart of CNOOC, so the tubing material cannot be selected according to material selection chart. The corrosion resistance of L80-13Cr steel and P110-13Cr steel in corrosion environment of reservoirs simulated by laboratory test was studied. Results show that L80-13Cr cannot meet the requirement of this environment, while P110-13Cr is acceptable.
中图分类号 TG174 DOI 10.11973/fsyfh-201612011
所属栏目 应用技术
基金项目
收稿日期 2015/6/26
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备注高大义（1982-），工程师，学士，从事油田腐蚀研究工作
引用该论文: GAO Da-yi,XUE Ying,LAN Xu,SUN Ji-xing,YANG Lin. Tubing Material Selection of High Temperature and High Pressure Ultradeep Well[J]. Corrosion & Protection, 2016, 37(12): 999
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参考文献
【1】NACE RP0775-2005 Preparation, Installation, analysis, and interpretation of corrosion coupons in oilfield operations[S].
【2】API-5CT-2011 Specification for casing and tubing[S].
【2】API-5CT-2011 Specification for casing and tubing[S].
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