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.
应用推荐