Underground switch triggering device and underground intelligent opening tool

Abstract

The invention relates to the field of petroleum underground construction, and especially relates to an underground switch triggering device. The device comprises a connecting section, a sealing section and a triggering section which are sequentially connected. The connecting section is located in the well descending direction of an intelligent opening tool, is in weak connection with the sealing section and is used for being fixedly connected with the intelligent opening tool, and an impact hole is formed in the end face, away from the sealing section, of the connecting section. The sealing section is in sliding sealing connection with an intelligent opening tool; and the surface of the triggering section is made of a conductive material, when the impact hole is subjected to hydraulic pressure, the joint is broken, and the sealing section and the triggering section move together. Under the action of pumping and / or formation fluid pressure, the joint of the connecting section and the sealing section is broken, formation fluid pushes the sealing section to drive the triggering section to move, the triggering switch is switched on to enable a circuit to be switched on, a power source is started, a downhole tool is powered on after being put into a wellhead, and it is guaranteed that equipment has enough electric quantity to complete work at the downhole working position.

Description

technical field [0001] The invention relates to the field of oil and gas exploitation, in particular to a downhole switch trigger device and a downhole intelligent opening tool. Background technique [0002] In the field of oil and gas extraction, many equipment need to be put into the oil well and powered down to work. Generally, oil wells are mostly located in remote areas, and various equipment needs to be transported for a long time to reach the oil well. Most of the existing equipment that needs to be put into the oil well and energized to work in the downhole uses electrical components to connect with the built-in power supply of the equipment when the production is completed. Since the production is completed and the equipment is actually put into the downhole, it will be stored and transported for a long time. After a long time, the power supply will consume electricity after it is connected to the electrical components. After the equipment is transported to the oil...

AI Technical Summary

Problems solved by technology

Most of the existing equipment that needs to be put into the oil well and energized to work in the downhole uses electrical components to connect with the built-in power supply of the equipment when the production is completed. Since the production is completed and the equipment is actually put into the downhole, it will be stored and transported for a long time. After a long time, the power supply will consume electricity after being connected to the electrical components. After the equipment is transported to the oil well and put into the well, it is easy to run out of power in the equipment and cannot work, or the power is too low to effectively complete the downhole work.

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