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Shock wave rotary jet plugging removal oil increasing machine

An oiler and blockage removal technology, applied in cleaning equipment, production fluids, wellbore/well components, etc., can solve the problems of complex process, poor effect, and difficulty in achieving large-scale scale, so as to restore the liquid supply capacity, increase the The effect of large formation permeability

Inactive Publication Date: 2019-02-12
WUHAN FUSHIDA ENERGY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to restore the production capacity of oil wells, some manufacturers have successively introduced physical plugging removal methods, but these methods are either complicated in process or ineffective, and it is difficult to achieve large-scale

Method used

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  • Shock wave rotary jet plugging removal oil increasing machine
  • Shock wave rotary jet plugging removal oil increasing machine

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate an orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element ...

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Abstract

The invention discloses a shock wave rotary jet plugging removal oil increasing machine. The shock wave rotary jet plugging removal oil increasing machine comprises a sleeve, wherein an oil increasingmachine body is arranged in the sleeve in the vertical direction. The oil increasing machine body comprises an oil inlet nozzle, a vibration spring group, a rotary vibrator assembly and a reducing piston, wherein the oil inlet nozzle, the vibration spring group, the rotary vibrator assembly and the reducing piston are sequentially arranged from bottom to top. The oil inlet nozzle is connected with the vibration spring group through a fixed seat. The rotary vibrator assembly is connected with a piston valve through a transmission shaft. According to the shock wave rotary jet plugging removal oil increasing machine, through the action of a high-frequency vibrator and / or a low-frequency vibrator and the vibration spring group, higher vibration force is generated to promote various colloid and scaling substances to reduce the adhesion degree with rocks until loosening and peeling off; at this time, the blocked particles are drawn out by the suction force generated by the reducing piston to generate a flow passage space; and through frequent vibration and suction alternating work, an oil passage can be dredged, the formation permeability can be increased, the crude oil in a near-well area can flow to a wellbore rapidly, and the original liquid supply capacity of the formation can be restored.

Description

technical field [0001] The invention relates to the technical field of oil well cleaning, in particular to a shock wave swirling spray plugging removing oil booster. Background technique [0002] In the process of oilfield development, due to drilling, well completion, fracturing, and other reasons, the pollution of the oil layer near the wellbore by mechanical impurities, the growth of bacteria in the formation fluid, the scaling and waxing of the formation itself, etc., often make the oil formation Permeability decreases, reducing well production. For this reason, it is necessary to treat the near-wellbore area. Fracturing and acidizing are conventional plugging removal measures, but this method will bring secondary pollution to the oil reservoir at the same time. Therefore, it is necessary to explore new near-wellbore treatment methods to make up for the deficiencies of acidizing and fracturing. [0003] In order to restore the production capacity of oil wells, some ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B28/00E21B43/25E21B37/00
CPCE21B28/00E21B37/00E21B43/25
Inventor 梁斯宇李曦李凤才梁广志
Owner WUHAN FUSHIDA ENERGY TECH CO LTD
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