Multipurpose water pulse device used in well

Abstract

The invention provides a multipurpose water pulse device used in a well. The multipurpose water pulse device used in the well at least comprises a head portion and a tail portion, wherein the head portion at least comprises a shell, a flange disc and a short pipe, a through hole A is formed in the shell, an elastic sleeve is arranged at the position of the through hole A, the elastic sleeve is installed on the outer wall of the shell through a clamp, the flange disc is located on the bottom of the interior of the shell, the short pipe is installed in the shell, the tail portion at least comprises an outer cover and a connecting piece, the outer cover is cylindrical, the connecting piece is fixed to the top of the outer cover, an inner pipe is arranged in the outer cover and in the connecting piece, and the outer cover and the connecting piece are arranged on the inner pipe in a sleeved mode and can slide on the inner pipe. Compared with the prior art, the multipurpose water pulse device used in the well has the advantages that water impact and water pulse can be generated to have effect on a filter pipe column and a producing zone, and then siltation is damaged; meanwhile, connecting strength of the siltation is reduced by a treating agent sent into the well, and therefore impacting efficiency is improved.

Description

technical field [0001] The invention relates to a submerged shock wave generator, which is used to increase the production of oil, natural gas, water and other fluids, in particular to a hydraulic pulse device in a multi-purpose well. Background technique [0002] China is a country with a large population and consumes a lot of energy. With the improvement of people's living standards, the demand for energy is also increasing. Oil and gas resources are an important part of the national strategic resource reserves, so it is necessary to improve production efficiency in all aspects of exploration, development, and collection. In every link, drilling engineering is essential. We need to use the best and most efficient drilling methods to increase production efficiency. In oil and gas wells, it is necessary to put a filter string with holes in the wellbore, and use the pressure difference between the oil and gas layer and the wellbore to let the oil and gas enter the wellbore...

AI Technical Summary

Problems solved by technology

[0004] The currently known submersible shock wave generators have the following problems: 1) The function is single, it can only transport the treatment agent or generate hydraulic shock, the work performance is unstable, and the work efficiency is poor

2) If there is high-pressure flammable gas, it may push the shock wave generator to move and collide with the filter string, which will accelerate the damage of the shock wave generator and reduce its working life

Especially in formations where natural gas is flammable and explosive, the collision between the shock wave generator and the filter string may generate sparks and cause major safety accidents such as explosions

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