利用理论分析和实验模拟的方法研究了超声脉冲反射技术测量井下套管厚度的方法。
The Methodological investigation on the measurement of thickness of downhole casing with ultrasonic pulse echo technique is carried out both in theory and in experiments.
采用有限元模型对外套管式节点进行包括外套管厚度、T型件翼缘厚度、T型件腹板厚度以及有无加劲肋的多因素分析，分析总结了这些因素对节点性能的影响。
Then multiple factor analysis of OSC, including the thickness of outer shell, flange plate and web plate of T-shaped members, with or without ribbed stiffeners, is carried out.
本文研究内容可以为建立考虑胶层厚度影响的粘砂套管固井质量评价修正方法提供理论基础。
This article can provide the theory base for establishing the cementing quality evaluation method of adhering sand casing with considering the effect of glue layer thickness.
研究表明：在放喷流量相同的情况下，渗透率越低，储层厚度越薄，压差越大，套管承受的挤压力就越大。
The simulation results show that, at the same relief discharge, the bigger the permeability is, the bigger the extrusion pressure of casing damage is.
本文采用有限元计算方法研究了微环厚度对套管井声波测井初至波幅度的影响。
The dependence of amplitude of first break for acoustic logging in cased borehole on the thickness of microannulus is studied in this paper with Finite Element Method (FEM).
通过改变套管的尺寸，特别是改变套管的厚度，壳体的尺寸被设计成安装一种以上的电子组件直径尺寸。
The housing can be dimensioned to mount more than one electrical component diameter size by varying the dimensions of the sleeve, and in particular the thickness of sleeve.
通过改变套管的尺寸，特别是改变套管的厚度，壳体的尺寸被设计成安装一种以上的电子组件直径尺寸。
The housing can be dimensioned to mount more than one electrical component diameter size by varying the dimensions of the sleeve, and in particular the thickness of sleeve.
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