论述了使用一种带有“哑铃型”接箍的油管进行单吊卡起下油管的作业工艺。
This article presents an operating process of running and pulling oil tube with dumbbell coupling by single elevator.
连续油管装置具有独特的设计和结构，在不起下油管的情况下，可以完成多种井下常规作业和特种作业。
The coiled tubing unit, which has unique structural design, can be used to many downhole conventional or special operations, in which there is no need to make up and break out tubing thread.
深井用伴生气经压缩机增压后进行气举采油，将碰到起下油管作业费用大、地面注气压力有限、气源将可能不足以满足各井需求等问题。
Some problems such as high cost of tripping the tubing string, limited injection pressure and insufficient gas supply will be faced when gas lift is used as an artificial lift method for deep Wells.
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