释文：是下套管和注水泥两个工序的总称。
室内和现场试验表明，该体系能够提高漏层的承压能力，满足钻井、固井工程施工的要求。
The tests both in lab and on site show that this system can improve the compressive strength of the lost-circulation formation and meet ther…
如何提高固井质量是钻井工程长期以来所面对的问题。
How to improve the cementing quality is an issue the drilling engineers are always facing.
本文基于钻井工程技术的最新成就，讨论固井研究的主攻方向，论证固井中必须重视保护产能问题。
In this review article the most important task in the researches on cementing is discussed in the light of the newest achievements in oil well drilling.
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