在钻井完井及开发过程中防止水相圈闭损害，提高水驱效率具有重要意义。
These researches have great significance for preventing aqueous phase trapping damages and improving waterflood efficiency in the course of drilling, completion and development.
筛管和衬管的堵塞和腐蚀会损害整个完井系统的功能性，缩短油井寿命。
Like plugging, the corrosion of screens and liners compromises the functionality of the entire completion and shortens well life.
欠平衡完井技术与传统的常规完井技术相比，可以使流体滤失降低到最小程度，并能最大限度地减少储层损害及改善油气井产能。
Comparing with conventional completion technology, UBD completion could make fluid loss decrease to less, and avoid reservoir damage and improve oil & gas well production.
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