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.
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.
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