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An oil production well casing dosing device

A technology for dosing device and oil production well, which is applied in the fields of fluid production, earth-moving drilling, wellbore/well components, etc., can solve the problem that multiple drugs cannot be mixed and cannot effectively prevent insufficiently dissolved drugs from entering the casing body. internal problems, so as to improve the effect of dosing and prevent sedimentation.

Active Publication Date: 2021-06-22
龙沃科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a casing dosing device for oil production wells to solve the existing problems: the existing dosing device cannot effectively mix various medicines together uniformly, and cannot effectively avoid unintended use. Fully dissolved drug enters the interior of the cannula body

Method used

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  • An oil production well casing dosing device
  • An oil production well casing dosing device
  • An oil production well casing dosing device

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Embodiment Construction

[0031] 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 creative efforts fall within the protection scope of the present invention.

[0032] see Figure 1-2 As shown, the present invention is a casing dosing device for an oil production well, which includes a liquid medicine storage tank 1 and an oil production well body 10. A medicine storage mechanism 3 and a medicine liquid anti-sedimentation mechanism 4 are installed inside the medicine liquid storage tank 1. One side of the liquid storage tank 1 is fixed with a circulation pump 6, the input end of the circulation pump 6 is connected with the...

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Abstract

The invention discloses a drug-dosing device for an oil production well casing and relates to the technical field of oil production engineering. The invention includes a liquid medicine storage tank and an oil production well body. A medicine storage mechanism and a liquid medicine anti-sedimentation mechanism are installed inside the liquid medicine storage box. A circulation pump is fixed on one side of the medicine liquid storage box. The storage tank is connected through the first communication pipe, and the outside of the production well body is equipped with a casing body. The present invention can mix various medicines together more uniformly by setting the medicine storage mechanism, can effectively prevent the medicine that is not fully dissolved from entering the inside of the sleeve body, and can effectively protect the medicine liquid storage tank by setting the medicine liquid anti-sedimentation mechanism. The internal liquid is moved to effectively prevent the liquid inside the liquid medicine storage tank from settling. Through the cooperation of various accessories, the liquid can be evenly sprayed into the inside of the sleeve body, thereby greatly improving the effect of dosing.

Description

technical field [0001] The invention belongs to the technical field of oil production engineering, in particular to a drug-adding device for oil production well casing. Background technique [0002] Some oil wells are waxy and oily, and cannot be produced normally. Some oil wells contain corrosive media that corrode oil well production tools, and some oil wells are severely scaled, causing scale sticking and fouling. In order to eliminate waxing, thick oil, The impact of corrosion and scaling on oil well production requires the use of dosing devices to add wax removers, viscosity reducers, corrosion inhibitors, descaling agents and other chemicals to the casing, but the existing dosing devices cannot effectively A variety of drugs are evenly mixed together, and it is impossible to effectively prevent the incompletely dissolved drugs from entering the inside of the sleeve body. The liquid inside the device is prone to sedimentation, and the liquid cannot be sprayed evenly int...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B37/06E21B43/22E21B41/02
CPCE21B37/06E21B41/02E21B43/16
Inventor 皇甫自愿张洪军姜小兵邵勇高子欣夏敬敬李石常冯全梅徐霞马伟鲍挺李爱娟郝佳吴胜春魏飞
Owner 龙沃科技开发有限公司
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