“pre-stress cementing”的概念、定义、翻译、参考文献-科学参考

单词	pre-stress cementing
释义	pre-stress cementing Encyclopedia 工学固井释 pre-stress cementing预应力固井在固井时，在套管串下部连接预应力地锚，给套管施加一定强度的拉应力，使套管在一定拉伸状态下被水泥凝结，当温度升高时，就可抵消一部分套管受热产生的压应力，从而提高套管的耐温极限，减缓或避免注蒸汽造成的套管破坏的固井方法。
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