Non-magnetic Drill Collar
Non-magnetic Drill Collar 1,API standard drill collar 2,It is designed in accordance with SY/T 5144-1997 standard.
Drill Collar
1,API standard Non-magnetic Drill Collar
2,It is designed in accordance with SY/T 5144-1997 standard.
Main specification:
Name | O.D | I.D | Thread type | Lengthinch |
Non-magnetic | 104.8 mm | 50.8 mm | NC31-41 | 30 |
Non-magnetic | 120.7 mm | 50.8 mm | NC35-47 | 30 |
Non-magnetic | 158.8 mm | 71.4 mm | NC46-62 | 30 |
Non-magnetic | 165.1 mm | 71.4 mm | NC46-65 | 30 |
Non-magnetic | 177.8 mm | 71.4 mm | NC50-70 | 30 |
Non-magnetic | 203.2 mm | 71.4 mm | NC56-80 | 30 |
Non-magnetic | 228.6mm | 71.4 mm | NC61-90 | 30 |
Non-magnetic Drill Collar