XJY950高钢级精密绳索取心钻杆用无缝钢管的研制

Development of Seamless Steel Pipe for XJY950 High-grade Steel Precision Wire-line Coring Drilling Pipe

摘要:

阐述了研制深孔、特深孔应用的高钢级精密绳索取心钻杆用冷拔无缝钢管的技术思路，介绍分析了XJY950冷拔无缝钢管的材料选择和制造工艺优化过程，并对该产品的钻探应用提出了技术建议。

Abstract:

The paper discusses the technical ideas of cold drawn seamless steel tube for high-grade steel precision wire-line coring drilling pipe for the application in deep and ultra-deep holes; introduces and analyzes material selection and manufacturing process optimization of XJY950 cold drawn seamless steel tube and puts forward technical advice in the drilling application.