钻杆接头

石油钻杆接头热处理工艺技术探索

Research on the Heat Treatment Technology of Drilling Tool Joint

钻杆接头表面加硬圈卸粮螺旋离合器接合杆

Hard banding of tool joint unloading auger clutch lever

API钻杆接头连接几何参数误差的相互关系

Mutuality between Element Errors of Rotary Shouldered Connections of API Tool Joints

钻杆接头表面高功率CO2激光硬化行为的研究

A study on hardening behaviour of a connecting drill rod by high power CO 2 laser beam

该模型考虑了钻杆接头、钻柱旋转和钻柱偏心对循环压耗的影响，适用于幂律和HB钻井液流变模式。

Considerations regarding the effects of drill pipe joints , drill string rotation and eccentricity have been implemented in the present model which is suitable for power law and HB drilling fluids .

原有的卡点计算公式因未考虑钻杆接头和加厚部分对计算结果的影响，使每1000m误差达40m左右，因而影响现场应用。

The current formulas for sticking point neglecting the influence of the tool 's joint and upset on the calculation have an error to about 40m per 1000m and fail to satisfy better the needs for well drilling .

对发生纵裂、刺穿的NC50钻杆接头进行了失效分析。

In this paper , the reasons for longitudinal cracking and washout of the NC50 drill pipe joints are analyzed .

激光硬化技术在强化钻杆接头中的应用

Application of laser rigidification technique in strengthening drill stem joint

钻杆接头的技术标准与用钢及热处理工艺

Specification and material selection and heattreatment process for tool joints

金刚石绳索取心钻杆接头螺纹的优化研究

The Optimization Study of the Joint-thread of Diamond Wire-line Taking-coring Drill Pole

钻杆接头双台肩抗扭应力分析

Analysis of Torsional Stress of Drill Stem Double Shoulder Connector

45Mn2钻杆接头热处理工艺研究

Study on the Heat Treatment Process of 45Mn_2 Steel Drill Pipe Joints

石油钻杆接头表面开裂原因分析

Analysis on Surface Cracking of Petroleum Drilling Rod Joint

氮离子注入对钻杆接头材料表面硬度的影响

Effect of Surface Hardness with Nitrogen Ion Doping for Drill Rod Joint Material

提高钻杆接头冲击功的工艺方法

Technique for Enhancing Impact Force of Drill Pipe Joint

钻杆接头激光淬火硬度及金相分析

Microhardness and metallographic analysis of laser-hardened connecting drill rod

用PC机实现钻杆接头等离子弧喷焊程序控制

Program Control for Plasma Powder Welding on Tool Joints

钻杆接头螺纹退刀尺寸对接头寿命的影响

Influence of shoulder - runout distance of tool joint on life of joint

对向道岔锁闭器连接杆钻杆接头表面加硬圈

Facing point lock stretcher hard banding of tool joint

钻杆接头螺纹部位疲劳裂纹的超声波检测

Ultrasonic Detection of the Fatigue Cracks at the Thread Root of a Drill Pipe

钻杆接头纵向裂纹原因分析

Failure Analysis of Longitudinal Cracks of Tool Joints

GB/T9253.1-1999石油钻杆接头螺纹

Threads on rotary shouldered connections for petroleum industry

钻杆接头的各种纵向开裂属于低应力脆性断裂。

Longitudinal crack of drill pipe box joint is brittle fracture at low stress .

钻杆接头抗扭强度及材料韧性指标研究&系列专题之八

Study of the torsion strength and material toughness criteria of drill pipe tool joint

高强度绳索取心钻杆接头

A High Intensity Wire-line Coring Drill Rod Adapter

钻杆接头缺陷影响使用寿命的试验研究

Effect of the Defect of Drill Pipe Joint on the Service Life of Drill Pipe

等离子弧粉末堆焊在石油钻杆接头修复中的应用研究

Study on the Application of Plasma Arc Powder Repair Welding in Restoring Petroleum Drill Stem Joint

这些钻杆接头因热处理工艺不当而具有回火脆性，以致接头材料抗裂纹扩展能力降低，二次淬火层产生的裂纹乃迅速扩展，最终引致钻杆接头的刺穿。

So the incipient crack extends rapidly and results in piercing through the tool joint at last .

要从根本上防止钻杆接头断裂，建议采用斜坡吊卡台肩钻杆。

It is suggested that taper elevator shoulder be used to prevent the crack of tool joint in essential .

设计出了具有独立知识产权的钻杆接头硬化带用新型耐磨减摩合金的成分，经实验室试验表明其性能可以达到或超过国外同类产品。

New-typed alloy for hardbanding of tool joint was developed , its property has showed good performance in the tests .