套管缺陷的模式识别及其预测是套管损坏实时监测和预测研究中的重要问题。
Pattern recognition of casing defect and its forecasting is an important issue in the process of real-time monitoring and forecasting of casing damages.
最后，利用灰度函数的性质，给出套管缺陷分类的新方法，并对其进行分类和使用寿命预测分析。
Finally, the casing defects are classified by using the properties of grayscale function, and the lifetime of casing is forecasted.
分析了事故原因，认为套管制造工艺缺陷是引起此次事故的直接原因，并提出了预防类似事故的措施。
It is pointed out that the manufacturing defect of bushing is the direct reason for this failure. And how to prevent such similar failure is given here.
采用有限元法分析了壁厚不均缺陷对膨胀套管性能的影响。
The influence of wall thickness nonuniformity on the property of the expandable casing is analyzed by the finite element analysis.
分析了工程实例中裂纹缺陷对套管安全的影响。
Finally, influence on safety of oil thimble is analyzed by the size of crack in engineering application.
分析了工程实例中裂纹缺陷对套管安全的影响。
Finally, influence on safety of oil thimble is analyzed by the size of crack in engineering application.
应用推荐