短钻杆是钻井过程中调整钻具间隔长度以达到某种技术目地的工具。短钻杆按台肩形状分为斜台肩和直台肩两种结构。
Short Drill Pipe
Short drill pipe is a tool for adjusting interval length of drilling tool to reach a certain technical purpose in the process of drilling. According to the shape of the shoulder, it is pided into sloping shoulder structure and straight shouder structure.
短钻杆技术参数
Specification of Short Drill Pipe
型
号 Type | 外
径 O.D (in) | 接 头 螺 纹 Connection | 长
度
系
列 Length
Series
(m) |
DZ60 | 2 -3/8″ | NC26 | 1
1.5
2
2.5
3 |
DZ73 | 2 -7/8″ | NC31 |
1
1.5
2
2.5
3
|
DZ89 | 3 -1/2″ | NC31 |
1
1.5
2
2.5
3
|
DZ102 | 4″ | NC46 |
1
1.5
2
2.5
3
|
DZ114 | 4 -1/2″ | NC50 |
1
1.5
2
2.5
3
|
DZ127 | 5″ | NC50 |
1
1.5
2
2.5
3
|
DZ140 | 5 -1/2″ | 5 -1/2FH |
1
1.5
2
2.5
3
|
