Working outside diameter OD mm(inch) |
Salvage diameter OD mm(inch) |
The upper end Thread |
Lower end Thread |
Hole ID mm(inch) |
Neck length mm(inch) |
Total length mm(inch) |
Remarks |
149.2 (5 7/8) |
120.7 (4-3/4) |
NC38 | NC38 | 50.8(2) | 559(22) |
1372 (54) |
Drill string type |
3 1/2REG | Bottom hole type | ||||||
152 (6) |
120.7 (4-3/4) |
NC38 | NC38 | 50.8(2) | 559(22) |
1372 (54) |
Drill string type |
3 1/2REG | Bottom hole type | ||||||
215.9(8-1/2) |
165 (6-1/2) |
NC50 | NC50 |
71.4 (2-13/16) |
686(27) | 1676(66) | Drill string type |
4 1/2REG | Bottom hole type | ||||||
311.15(12-1/4) | 203(8) |
6-5/8 REG |
6-5/8 REG |
71.4 (2-13/16) |
610(24) | 1550(61) | Drill string type |
Bottom hole type | |||||||
444.5(17-1/2) | 229(9) |
7-5/8 REG |
7-5/8 REG |
76.5(3) | 686(27) | 1702(67) | Drill string type |
Bottom hole type | |||||||
660.4 (26) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) | 660(26) | 1930(76) | Drill string type |
Bottom hole type | |||||||
711.2(28) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) | 686(27) | 1981(78) | Drill string type |
Bottom hole type |