【摘要】 随着我国石油钻井技术的发展，石油专用管材的生产、技术、质量及装备水平有了长足的进步。但因石油管材的产品性能要求高，加之接箍丝扣结构性能要求严格，因此生产难度大，国产化问题尚待解决。分析了我国石油专用管材的生产现状及存在的问题，指出了国产石油专用管材的发展方向。更多还原

【Abstract】 Along with the development of domestic oil-field drilling technologies, considerable progresses have been made in domestic O. C. T. G.,industry in terms of capacity,technology,product quality and equipment technical level. However,the country’s demand in this field can not be yet completely met by domestic capacity,due to critical requirements for O. C. T. G.,in addition to T. G. production, the development orientation of domestic O. C. T. G. industry is proposed.更多还原