给出了磨损量、抗内压强度系数的确切定义。
The clear definition of the wear allowance and the strength coefficient of resisting inner pressure are made.
这一修正结果证明了两端开口的韧性爆裂抗内压强度公式是可靠的。
This modification of the formula shows that the formula of ductile burst internal pressure strength with Capped-Open condition is valid.
随着套管制造工艺水平的不断提高和制造质量的显著改进，现有的API5C3公式已不能正确的预测套管实际抗挤抗内压强度。
With the improvement of the production and manufacture technology of casing, the actual collapse strength of casing cannot be accurately calculated by present API 5C3 formula.
研究了连续油管的工作力学特性，建立了连续油管弯曲、抗内压强度和外部挤毁压力、直径增长、纵向伸长及卡点位置分析计算模型。
Mechanical characteristic of ct is studied. The model of bending, internal pressure strength and external collapse strength, diametric growth and stuck-point of ct is established.
膨胀管残余应力是影响膨胀管抗外挤、内压强度的重要因素之一。
Residual stress in expansion casing is one of important factors affecting its squeezing and pressure resistance.
膨胀管残余应力是影响膨胀管抗外挤、内压强度的重要因素之一。
Residual stress in expansion casing is one of important factors affecting its squeezing and pressure resistance.
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