Stable blowout preventer for oil well construction operation
The stable blowout preventer for oil well construction operation comprises a blowout preventer shell, mounting parts are arranged at the upper end and the lower end of the two sides of the blowout preventer shell correspondingly, a driving end is arranged on one side of each mounting part, and a sid...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The stable blowout preventer for oil well construction operation comprises a blowout preventer shell, mounting parts are arranged at the upper end and the lower end of the two sides of the blowout preventer shell correspondingly, a driving end is arranged on one side of each mounting part, and a side plate is arranged at one end of each driving end; according to the stable blowout preventer for the oil well construction operation, the driving end is arranged to provide stable power for the blowout preventer, so that the blowout preventer is different from an existing rotary blowout preventer, the service life of the blowout preventer is longer, the blowout preventer has good reusability through the arrangement of the auxiliary spring, and the service life of the blowout preventer is prolonged. The blowout preventer shell and the internal components are arranged, the sealing performance of the blowout preventer is further ensured due to the arrangement of the sealing rings, then connection of all the sets of b |
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