国内SEW油套管开发现状

Current Situation of Domestic R & D of SEW Tubing/Casing

摘要: 介绍了国内高频焊热轧（SEW）油套管的开发情况，SEW工艺的特点，以及采用SEW工艺开发的API油套管、BSG-80T/TT及BSG-110T/TT高抗挤套管、BX55及BX80膨胀套管的技术特征和产品性能，并对SEW油套管的研发方向进行了展望。

Abstract: Elaborated in the article are the situation of domestic R & D of(SEW) tubing/casing, the characteristics of the SEW technology, and the technological characteristics and product propertis of the API tubing/casing, BSG-80T/TT and BSG-110T/TT high collapse resistance casings, and BX55 and BX80 expandable casings as developed with the SEW technology.Finally, the orientation for R & D of the SEW tubing/casing is prospected.