油管带接箍后另一端加工螺纹的工艺方案可行。
The said process for threading non-coupled end of coupled tubing has been proven practical.
无接箍式套管靠管体两端的螺纹连接，所以套管外径尺寸小，可增大环形间隙，便于套管下入和提高固井质量。
It connects with threads on both ends of pipe body, which allows a smaller casing O. D. and increases annular gap to facility casing running in and improve cementing quality.
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