以大庆榆树林油田砂岩段的套损情况为例，计算了注水压力、套管应力及套管强度之间的关系。
As an example with casing damage in Yushulin oil field of Daqing, the paper calculates the relations between injecting pressure, casing stress and casing strength.
通过对退锚器工作压力的确定、强度校核、合理计算，选择了活塞承压面积及各液压缸直径尺寸。
Through anchors identified by the work pressure, intensity degree, reasonable terms, choiced piston confined area and the size of hydraulic tank diameter.
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.
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