|
Technical specification and parameters
| Working OD (in) | Body OD on both ends (mm) | ID (mm) | Length (mm) | Thread on both ends (in) | | String type | Near bit type | | Top | Down | Top | Down | | 6~6 1/2 | Æ 121 | Æ 51 | 785 | 3 1/2IF | 3 1/2IF | 3 1/2IF | 3 1/2REG | | 7~7 7/8 | Æ 159 | Æ 57 | 850 | 4 1/2IF | 4 1/2IF | 4 1/2IF | 4 1/2REG | | 8~8 1/2 | Æ 165 | Æ 71 | 850 | 4 1/2IF | 4 1/2IF | 4 1/2IF | 4 1/2REG | | 9~9 1/4 | Æ 197 | Æ 71 | 870 | 4 1/2IF | 4 1/2IF | 4 1/2IF | 4 1/2REG | | 12~12 1/4 | Æ 203 | Æ 76 | 940 | 6 5/8REG | 6 5/8REG | 6 5/8REG | 6 5/8REG |
|
|
|
|
© 2012 STEEL Corporation . Корпорация СТАЛЬ.
Страница сгенерирована за 0.333560 секунд |