Integral Spiral Heavy Weight Drill Pipe
Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe.
Thechnical specifications and parameters
|
mm(in) |
DideBody |
ToolJoint |
||||||
|
I.D.mm |
elevaterupsetmm |
O.D.mm |
SpiralO.D.mm |
Spiraldepthmm |
Thread |
O.D.mm |
I.D.mm |
|
|
88.9(31/2) |
54.0 |
92.1 |
88.9 |
101.6 |
9.5 |
NC38 |
120.6 |
54.0 |
|
114.3(41/2) |
69.8 |
117.5 |
114.3 |
127.0 |
12.7 |
NC46 |
158.8 |
69.8 |
|
127.0(5) |
76.2 |
130.2 |
127.0 |
139.7 |
12.7 |
NC50 |
165.1 |
76.2 |
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