用水平连铸坯生产J55石油油管质量状况

QUALITY STATUS OF J55 OIL TUBING MADE FROM HCC BILLETS

介绍了用水平连铸坯生产J55石油油管质量情况,指出用连铸坯生产的油管质量完全可以达到API5CT标准和油田的附加采购技术条件,该油管的质量水平可以达到轧制坯生产油管质量水平。同时指出,由水平连铸坯中间裂纹"遗传"给钢管的"内部发纹"不会对油管的使用性能造成影响。

This article introduces the quality of J55 oil tubing made from HCC billets It points out that the quality of tubing made from HCC billets can completely satisfy API 5CT specifications and the additional purchasing technical terms of oil field, and that the quality level of tubing made from HCC billets can reach that of rolling billets, moreover, the internal crack inherited from central crack of HCC billets will not affect tubing property