Flashboard blowout preventer with composite side door

Abstract

The invention belongs to the technical field of petroleum equipment, relates to a flashboard blowout preventer, in particular to a flashboard blowout preventer with a composite side door. The flashboard blowout preventer with a composite side door comprises a shell with a flashboard built in, and side doors arranged on the two sides of the shell in a matched mode. flashboard shafts connected withthe flashboard penetrate through the side doors, the key points are as follows: the side doors comprise an outer side door and an inner side door, the outer side door is connected and positioned on the shell through bolts, the front end of the inner side door is positioned in an inner cavity of the outer side door through a clamping jaw type connecting device and provided with a cavity matched with the flashboard and a flashboard shaft and an installing hole, an opening and closing rod penetrates through the inner side door and the outer side door to be positioned on the shell, and the inner side door and the outer side door have direct opening and direct closing freedom degrees along the opening and closing rod. A double-layer side door structure is adopted, and the inner side door can beopened and closed independently, so that the side door is compact in overall structure and labor-saving and rapid to open and close.

Description

technical field [0001] The invention belongs to the technical field of petroleum equipment and relates to a ram blowout preventer, in particular to a ram blowout preventer adopting a split composite side door. Background technique [0002] As the most important well control equipment, hydraulic blowout preventer mainly has two forms: ram blowout preventer and annular blowout preventer. Ram blowout preventer is mainly composed of ram, shell, side door, cylinder head, piston, piston rod, etc. Its working process is to use hydraulic pressure to push the piston to drive the ram to close or open, thereby closing or opening the wellhead to achieve sealing Well, the purpose of opening a well. The side door of the ram blowout preventer is connected with the casing, which is mainly used to close the ram cavity of the casing and allow the ram shaft to pass through, so that the ram shaft drives the ram to open and close. As a key component, the ram needs to be replaced and regularly ...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of heavy side door structure and time-consuming and laborious opening and closing, the present invention adopts a double-layer side door structure, and the inner door can be opened and closed independently, so that the overall structure of the side door is compact, and the opening and closing is labor-saving and quick

Images