group nameDrilling Tools
Min Order10 piece
modelIntegral spiral heavy weight drill pipe
update timeMon, 08 Apr 2013 00:05:28 GMT
Integral spiral heavy weight drill pipe API
CNC or Not Normal
Condition New
Min Order10 piece
The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hard bands. Technical parameters meet with API Spec7-1 Standard.
size | OD | ID | Tool joint OD | Tool joint ID | Thread type | Max. elevator diameter | Central upset diameter | Min. drift diameter size |
3 1/2 | 3 1/2 | 2 1/4 2 1/16 | 4 3/4 (4 7/8, 5) | 2 1/4 2 1/16 | NC38 | 3 7/8 | 4 | 2 2 13/16 |
4 | 4 | 2 1/2 2 9/16 | 5 1/4 | 2 1/2 2 9/16 | NC40 | 4 3/16 | 4 1/2 | 2 1/4 2 5/16 |
4 1/2 | 4 1/2 | 2 11/16 2 3/4 2 13/16 | 6 1/4 | 2 11/16 2 3/4 2 13/16 | NC46 | 4 11/16 | 5 |
|
5 | 5 | 3 | 6 5/8 | 3 | NC50 | 5 1/8 | 5 1/2 |
|
5 1/2 | 5 1/2 | 3 1/4 3 3/8 3 7/8 4 | 7 (7 1/4, 7 1/2) | 3 1/4 3 3/8 3 7/8 4 | 5 1/2 FH | 5 11/16 | 6 |
|
6 5/8 | 6 5/8 | 4 4 1/2 5 | 8 (8 1/4, 8 1/2) | 4 4 1/2 5 | 6 5/8 FH | 6 15/16 | 7 1/8 |
|
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