国内外高强度钻杆的技术质量评述

高强度石油钻杆在钻井设备和工具中占有十分重要的地位。通过对国内外 S135， G105钻杆的解剖分析与实物质量评价试验，结合国内外文献，综合论述了国内外钻杆的选材、机械性能、几何尺寸和结构特点以及整体钻杆的极限承载能力。

Comment on Technical Quality of High-strength Drill Pipes Made at Home and Abroad

Among oil well drilling equipment and tooling,the high－ strength drill pipe plays a very critical role.Based on the results of sample analysis and tests of S135 and G105 drill pipes made both at home and abroad for their physical quality evaluation,and making reference of relevant domestic and foreign technical literatures,a comprehensive comment on drill pipes made both at home and abroad is given,addressing such aspects as material selection,mechanical properties,geometry,structural characteristics as well as limiting loading capacity of the pipe as a whole.