普光气田采气树闸阀提升螺母失效原因分析

摘要

This article surveys the failures of gate valves of gas trees in Puguang gas field by corrosion tests of the gate lifting nuts. Further analysis is conducted based on the tests.%文章针对普光气田采气树闸阀无法开关的情况,对采气树闸板阀提升螺母进行腐蚀化验分析,根据腐蚀检查情况,进一步分析螺母腐蚀失效的原因.