Using method of device for fully mixing demulsifier and well flow substances within ultra-short distance

A technology of fully mixing and demulsifying agents, applied in the direction of fluid mixers, mixers, chemical instruments and methods, etc., can solve the problems of inability to mix demulsifiers, large dosage, low demulsification efficiency, etc., and shorten the mixing time and distance, reduce usage, good demulsification effect

Inactive Publication Date: 2021-02-19
SENUO TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

This method of adding demulsifier makes it impossible for the demulsifier to fully mix with crude oil in a short time and distance, and there are problems of large dosage and low demulsification efficiency

Method used

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  • Using method of device for fully mixing demulsifier and well flow substances within ultra-short distance
  • Using method of device for fully mixing demulsifier and well flow substances within ultra-short distance
  • Using method of device for fully mixing demulsifier and well flow substances within ultra-short distance

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.

[0027] as attached figure 1 , attached figure 2 As shown, the method of using the device for fully mixing the demulsifier and the well fluid within an ultra-short distance, and the device for fully mixing the demulsifier and the well fluid within an ultra-short distance includes an upper cavity connecting pipeline 3 and a lower cavity connecting pipeline 4. The upper part of the upper chamber connecting pipe 3 is connected to the upper chamber 5, and a bellows compensator 2 is arranged between the upper chamber connecting pipe 3 and the lower chamber connecting pipe 4, and the lower chamber The lower part of the body connection pipe 4 is connected to the lower chamber 6; th...

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Abstract

The invention relates to the technical field of oilfield development and production, in particular to a using method of a device for fully mixing a demulsifier and well flow substances in an ultra-short distance. The method comprises the following steps: injecting the demulsifier into a water-containing and natural gas-containing mixture to form a water-containing and demulsifier-containing liquidand natural gas-containing mixture, i.e., dissolved gas liquid; the demulsifier, the natural gas and the water are in the form of a gas-liquid-containing film in the dissolved gas liquid, namely, thedemulsifier and the natural gas are contained in the liquid film; the dissolved gas liquid is injected through an injection device; in the filling process, the liquid film of the dissolved gas liquidis broken; the demulsifier is uniformly released along with the natural gas wrapped in the liquid film through an air floatation process; and the demulsifier and the well flow substances with reducedgravity generate convection in the corrugated pipe compensator, are uniformly mixed and fulfill the aim of demulsifying. According to the invention, the mixing time and distance of the demulsifier and the well flow substances are shortened, the mixing efficiency is improved, and low investment, low operation cost, high cost performance and good economic benefit can be realized.

Description

technical field [0001] The invention relates to the technical field of oil field development and production, in particular to a method for using a device for fully mixing demulsifiers and well fluids within an ultra-short distance. Background technique [0002] Demulsifier is an indispensable chemical additive in petroleum exploration, petroleum refining, and sewage treatment industries. Its main component is surface active substances, which can destroy the emulsified liquid structure to achieve the purpose of phase separation in the emulsion. Crude oil demulsification refers to the use of the chemical action of demulsifiers to separate the oil and water in the emulsified oil-water mixture, so as to achieve the purpose of dehydration of crude oil, so as to ensure the water content standard of crude oil export. [0003] In well fluids such as crude oil, there are some solids that are poorly soluble in water. When one or more of these solids exist in an aqueous solution in a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/00B01F5/06B01F15/02
CPCB01F2025/91B01F25/00B01F2025/915B01F2025/91913B01F25/42B01F35/71
Inventor 裴红殷志强王春岚刘俊敏李雪艳赵玉红何国霞魏光辉张家玮
Owner SENUO TECH CO LTD
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