Wrapped air-filled extrusion plugging device for crude oil blowout

Abstract

The invention provides a wrapping air-inflated extrusion plugging device for crude oil blowout, comprising: a flexible winding part, an upper inflatable airbag, a lower inflatable airbag, an inverted valve with holes and a top valve; The upper inflatable airbag is set above the flexible winding part, and the flexible winding part is first wound around the oil injection port of the oil well. The upper inflatable airbag and the lower inflatable airbag are assembled synchronously, and the first layer of the upper inflatable airbag is inflated. The inverted buckle hole valve moves to the opening position of the fuel injection port, and then inflates the second layer of the upper inflatable airbag. During the expansion process, the top valve is driven to move to the butt joint assembly position of the inverted buckle hole valve, and the second layer of the upper inflatable airbag continues to inflate , the first layer of the upper inflatable air bag is gradually deflated, so that the inverted buckle with hole valve is gradually buckled on the fuel injection port, and at the same time the second layer of the upper inflatable air bag is gradually pressed down to connect the top valve with the inverted buckle with hole valve and press it tightly blockage.

Description

technical field [0001] The invention relates to the technical field of petroleum engineering, in particular to a wrapping air-extruding type plugging device for crude oil blowout. Background technique [0002] Crude oil blowout is a very common accident in the process of oil production and transportation. If it is not handled properly, it is easy to cause bad consequences, such as fire, explosion, equipment damage and casualties. Most of the crude oil blowout plugging methods that are often used at present are manual methods, which are very dangerous to personnel and difficult to plug. [0003] Currently existing technologies require two hydraulic cylinders for sealing by controlling the hydraulic pressure, thus greatly increasing the difficulty of construction and high cost. In addition, it is difficult to control the pressure of the passing liquid, and the device may be damaged due to too much pressure. Existing other similar technologies generally have complicated struc...

AI Technical Summary

Problems solved by technology

At present, most of the crude oil blowout plugging methods commonly used are manual methods, which are very dangerous to personnel and difficult to plug.

[0003] The current existing technology requires two hydraulic cylinders for blocking by controlling the hydraulic pressure, which greatly increases the difficulty of construction and costs a lot

In addition, it is difficult to control the pressure of the liquid, and the device may be damaged due to too much pressure

Existing other similar technologies generally have a more complex structure and are inconvenient to use

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