作者将气举装置看成一个系统，分析了影响气举效率主要因素了。
Secondly, the airlift equipment treated as a system, analyzed the mostly factors that affected efficiency of lifting.
以提高气举采油系统效率为出发点，从理论研究方面深入认识了连续气举卸载过程，通过对模拟结果的现场应用验证了其可靠性。
In the purpose of improving the efficiency of gas lift system, it is studied well for the continue gas lift unloading in theory, and the reliabilities of results are validated through the practices.
常用的气举采油管柱存在的问题是气举阀易失效，不能投捞进行更换，严重影响管柱的效率和使用周期。
The gas lift valve on the conventional gas lift pipe string is easy to fail and cannot be replaced in the hole.
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