Inside blowout preventer (IBOP) is a special tool, which can be striped through the BOP preempt to be connected with the added drilling tools as soon as possible, when the blowout is happened during lifting the drilling tools, the inside blowout preventer has many advantages such as high-pressure, sealed reliable, easy to operate, switch quickly and so on.
Inside blowout preventer | |||
Thread connection | O.D.(in) | I.D.(in) | Length (in) |
2-3/8IF | 3-3/8—3-3/4 | 1-1/2 | 26 |
2-7/8IF | 4-1/8—4-1/4 | 1-3/4 | 28—30 |
3-1/2IF | 4-3/4—5-1/4 | 2 | 30—31 |
4IF | 6-1/4—6-3/4 | 2-1/2 | 33—34 |
4-1/2IF | 6-3/8—7 | 2-13/16 | 33—34 |
5-1/2FH | 7 —7-1/2 | 2-13/16 | 33—34 |
6-5/8REG | 8 | 2-13/16 | 34 |
7-5/8REG | 9-1/2 | 2-13/16 | 34 |
