内防喷器是一种井口快速防喷工具。是在钻井中发生井涌(溢流)时,快速将内防喷器连接在钻柱顶端,用以控制井涌和井喷。它具有承压高、放喷功能、密封可靠、操作方便、开关迅速等优点。
内防喷器技术参数
Specification of Inside Blowout Preventer
连接螺纹 Connection | 外 径 O.D(in) | 内径 I.D(in) | 长度 length(in) | 重量 Weight(Kg) |
2-3/8IF | 3-3/8″-3-3/4″ | 1-1/2″ | 26″ | 27 |
2-7/8IF | 4-1/8″-4-1/4″ | 1-3/4″ | 28″-30″ | 40 |
3-1/2IF | 4-3/4″-5-1/4″ | 2″ | 30″-31″ | 57 |
4IF | 6-1/4″-6-3/4″ | 2-1/2″ | 33″-34″ | 110 |
4-1/2IF | 6-3/8″-7″ | 2-13/16″ | 33″-34″ | 120 |
5-1/2FH | 7″-7-1/2″ | 2-13/16″ | 33″-34″ | 140 |
6-5/8REG | 8″ | 2-13/16″ | 34″ | 180 |
7-5/8REG | 9-1/2″ | 2-13/16″ | 34″ | 220 |
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