collapse of casing的意思|示意

In casing production straightening determines the shape precision and residual stress in casing, which have strong influence on the collapse resistance of casing.

套管生产中，矫直工序决定了套管的形状精度和残余应力，对套管抗挤强度有很大影响。

With finite element method, the collapse strength of casing with ovality and eccentricity under unidirectional uniform and ellipse distributive force was calculated and analyzed.

采用有限元法，计算和分析了壁厚不均与椭圆套管在单向均匀和单向椭圆分布外挤力作用下的强度问题。

The problems of low drilling efficiency and low core recovery due to borehole collapse were solved with pulling in casing while drilling through using combined BHA with casing.

采用组合钻具进行跟管钻进，通过随钻跟入的套管保护孔壁，解决因钻孔垮塌导致钻探效率和岩心采取率低等技术难题。

Casing damage is the bottleneck problem for oil and gas production. Reasonable design of collapse load is vital to the life of casing.

套管损坏是制约油气生产的瓶颈问题，而套管外挤载荷设计合理与否对套管寿命具有决定性的作用。

The casing strength of collapse resistance is an important index of weighing the performance of casing strength.

套管抗挤强度是衡量套管强度性能的一项重要指标。

Distribution of Triassic salt bed is very wide in Sichuan Area and the condition of salt rock creep resulting in casing collapse is existing.

四川地区三迭系盐岩层分布广泛，盐岩层蠕变挤毁套管的客观条件是存在的。