一种油田深井用新型耐高温锌合金牺牲阳极
发布时间：2018-07-16 17:59
【摘要】：为解决某油田4 000m深井TP110-3Cr套管外腐蚀问题,研制了一种新型耐高温锌合金牺牲阳极。采用电化学技术对阳极材料进行了极化曲线和电流效率测试。结果表明:在80℃时,阳极极化曲线较平缓,开路电位较负,无高温"逆转"现象,电流效率大于80%,腐蚀均匀,腐蚀产物易脱落。在模拟某油田地层水条件下,评估了新型阳极的高温防腐蚀性能。结果表明:新型锌合金牺牲阳极在125℃以下,可有效保护套管;在130℃时,阳极发生断裂失效,无法继续使用。
[Abstract]:In order to solve the external corrosion problem of TP110-3Cr casing in a 4000 m deep well, a new high temperature resistant zinc alloy sacrificial anode was developed. Polarization curves and current efficiency of anode materials were measured by electrochemical technique. The results show that at 80 鈩，
本文编号：2127179
[Abstract]:In order to solve the external corrosion problem of TP110-3Cr casing in a 4000 m deep well, a new high temperature resistant zinc alloy sacrificial anode was developed. Polarization curves and current efficiency of anode materials were measured by electrochemical technique. The results show that at 80 鈩，
本文编号：2127179
本文链接：https://www.wllwen.com/kejilunwen/shiyounenyuanlunwen/2127179.html
