...235B,Q345B等螺旋缝埋弧焊钢管(SSAW)； Φ140-Φ630×4-15mm,直缝焊管(ERW)； Φ140-Φ381×4-15mm,油管和套管(Casing and Tubing)； Φ6-Φ273×1-26mm,无缝钢管(Seamless)
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油管和套管卡瓦悬挂器 Tubing and Casing Slip Hangers
管线管和石油套管 Casing and petroleum Tubing ; Casing petroleum Tubing
方法利用油管和套管作为发热体直接加热油管内的原油。
MethodTubing and casing are used as heater to heat the oil in the tubing directly.
提出了一种利用油管和套管作为发热体直接加热油管内原油的方法。
A kind of heating technology of directly heating crude oil in the oil tube by the oil tube and bushing is developed.
WSP总部位于江苏，主要生产油气勘探行业所用的套管、油管和钻杆。
Based in Jiangsu province, the company makes casing, tubing and drill pipes for the oil - and natural-gas-exploration industry.
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