钻杆接 头代号 Tool Joint Designation |
规格型号Size and Style |
标称质量Nom Wt. Lb/ft |
等级 Grade |
内外螺纹接头内径Outside Dia. of Pin and Box ±0.8D |
外螺纹接头内径 Inside Dia. of Pin +0.4-0.8d |
内外螺纹接头台肩倒角直径 Bevel Dia. of Pin and Box Shouder ±0.4DF |
外螺纹接头总长度Total Length Tool Joint Pin +6.4 -9.5LP |
外螺纹接头大钳空间Pin Tong Space ±0.4LPB |
内螺纹接头大钳空间Box Tong Space ±0.4LPB |
内、外 接头组 合长度 Combined Length of Pin and Box ±12.7L |
外螺纹接头吊卡加厚处直径Dia. Of Box at Elevator Upset Max MaxD TE |
内螺纹接头吊卡加厚处直径Dia. Of Box at Elevator Upset Max MaxD TE |
外螺纹接头对钻管抗扭强度比值Torsional Ratio, Pin to Drill Pipe |