目前国内各单位采用的钻杆接头螺纹标准不统一,各标准中数据又不尽一致,给设计、试制和加工制造带来很多不便。针对这一问题,江汉石油管理局矿机研究所作了一些调查分析,并提出若干建议,报请上级审查。本刊现予转载,供大家参考、讨论。不妥之处,请读者指正。 At present, the drill pipe joint threading standards adopted by various domestic units are not uniform, and the data in each standard is not consistent, which brings a lot of inconvenience to design, trial production and processing and manufacturing. In response to this problem, the Institute of Mining Machinery of Jianghan Petroleum Administration made some investigations and analysis, and made a number of recommendations for review by higher authorities. This journal is reproduced for your reference and discussion. Inappropriate, please correct the reader.