oil rebreather

Abstract

An oil layer respirator capable of producing multi-component compound stimulation to oil wells. The upper joint is connected with the outer tube of the damping chamber, the damping spring seat, the outer tube of the sealing chamber, the damping sliding body, the lower liquid passing plate and the lower joint, and the upper passing liquid plate is connected with the sealing plunger, the valve body seat and the limit sliding body. A valve body is installed on the valve body seat, a damping spring is installed between the outer tube of the damping cavity and the sealing plunger, and an expanding and shrinking rubber cylinder is installed between the limit sliding body and the damping sliding body. When the pressure on the upper part of the valve body increases, the expansion and contraction rubber cylinder expands and seals with the casing of the oil layer and descends, producing a shock and pressurization effect on the oil layer; when the pressure on the upper part of the valve body decreases, the expansion and contraction rubber cylinder ascends, generating suction and decompression for the oil layer. In this way, pulsatile respiration is repeatedly applied to the oil layer to achieve oil well production. The oil layer respirator does not rely on any external factors, and works automatically in the well for a long time, which is energy-saving, environmentally friendly, safe and efficient.

Description

technical field [0001] The invention belongs to the technical field of oil exploitation, and relates to an oil layer respirator which relies on the energy of the oil well itself to generate pressure pulsation respiration on the oil layer, thereby increasing the output of the oil well. Background technique [0002] In order to increase the production of oil wells, various production stimulation measures have been implemented on the mine field to improve the fluid seepage environment in the oil layer, which can be summarized into the following categories: one is to create fractures in the formation to improve the conductivity of the formation; the other is to plug the oil layer Pores change the seepage path of fluid in the oil layer; the third is to unblock the oil layer and dredge the seepage channel of the fluid; the fourth is to reduce the viscosity of the fluid in the oil layer to reduce the seepage resistance of the fluid. The main disadvantages of various production stim...

AI Technical Summary

Problems solved by technology

The main disadvantages of various production stimulation technologies are the single function and limited stimulation effect. If the oil layer is not clearly understood, the technical effect will be greatly reduced, and even cause side effects. To accurately understand the oil layer requires a lot of technical and personnel costs, and most wells We all know it's unrealistic

At the same time, in view of the multiple production reduction reasons of oil wells, poor applicability of production stimulation technology, short effective time, poor reuse effect, high implementation cost, high labor intensity of on-site operations, complex construction equipment, potential safety hazards, damage to oil layers or pollution of the environment, etc. is an unavoidable fact

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