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Water-based antiwax remover and preparation method thereof

A wax-removing, water-based technology, applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problems that the preparation method needs to be improved, and achieve a wide range of applicable temperature, strong ability to adapt to working conditions, and energy saving Effect

Active Publication Date: 2018-08-31
威海翔泽新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no real and efficient water-based wax remover and anti-wax agent in the prior art, and the determination of its formula and the determination of the corresponding preparation methods need to be improved.

Method used

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  • Water-based antiwax remover and preparation method thereof
  • Water-based antiwax remover and preparation method thereof
  • Water-based antiwax remover and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A water-based wax remover, comprising the following raw material components in percentage by weight:

[0036]

[0037] Among them, the melting wax dispersant is a 3:1 mixture of methyl stearate polyoxyethylene ether and polyethylene glycol dioleate, and the wetting reversal agent is polyoxyethylene alkyl alcohol ether sulfate salt, solubilizing and dispersing The agent is coconut oil fatty acid diethanolamide, and the alcohol co-solvent is a mixture of methanol, ethanol, and n-butanol according to the ratio of 3:2:1.

[0038] The preparation method of the above water-based wax remover and anti-wax agent: add wax-melting dispersant, wetting reversal agent and solubilizing dispersant to the reaction kettle and mix evenly, then add alcohol co-solvent and stir for half an hour, add water and stir until uniform.

Embodiment 2

[0040] A water-based wax remover, comprising the following raw material components in percentage by weight:

[0041]

[0042] Among them, the melting wax dispersant is a 3:1 mixture of methyl stearate polyoxyethylene ether and fatty acid methyl ester ethoxylate sulfonate, the wetting reversal agent is polyoxyethylene alkylphenol ether, and the solubilizing and dispersing agent It is a 1:1:1 mixture of polyethylene glycol dioleate, fatty alcohol polyoxyethylene ether, and nonylphenol polyoxyethylene ether. The alcohol co-solvent is methanol, ethanol, and n-butanol according to the ratio of 3:2:1 mixture.

[0043] The preparation method of the above water-based wax remover and anti-wax agent: add alcohol co-solvent, wax-melting dispersant, wetting reversal agent and stir for half an hour in the reaction kettle, then add water and solubilizing and dispersing agent in turn and stir until uniform .

Embodiment 3

[0045] A water-based wax remover, comprising the following raw material components in percentage by weight:

[0046]

[0047] Among them, the melting wax dispersant is a 1:1 mixture of polyethylene glycol dioleate and fatty acid methyl ester ethoxylate sulfonate, the wetting reversal agent is polyoxyethylene alkylphenol ether, and the solubilizing and dispersing agent is Polyethylene glycol dioleate, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether 1:1:1 mixture, alcohol co-solvent is methanol, ethanol, n-butanol according to the ratio of 3:2:1 mixture.

[0048] The preparation method of the above water-based wax remover and anti-wax agent: add wax-melting dispersant, wetting reversal agent and solubilizing dispersant to the reaction kettle and mix evenly, then add alcohol co-solvent and stir for half an hour, add water and stir until uniform.

[0049] Raw material component content value screening experiment:

[0050] According to the data in Table...

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Abstract

The invention discloses a water-based antiwax remover and a preparation method thereof. The water-based antiwax remover consists of a wax melting dispersant, a reverse wetting agent, a solubilizationdispersant, an alcohol cosolvent and water or simulated salty water, wherein the wax melting dispersant, the reverse wetting agent, the solubilization dispersant and the alcohol cosolvent account for15-35% of the water-based antiwax remover. The preparation method of the water-based antiwax remover comprises the following steps: uniformly mixing the wax melting dispersant, the reverse wetting agent and the solubilization dispersant, adding the alcohol cosolvent, mixing, and adding the water or the simulated salty water, thereby obtaining the water-based antiwax remover. The invention relatesto the water-based antiwax remover and the preparation method thereof, the water-based antiwax remover is capable of both preventing and cleaning wax, and compared with a conventional emulsion-type antiwax remover, the water-based antiwax remover is relatively safe, efficient, odorless, free of pollution and high in flash point.

Description

technical field [0001] The invention belongs to the technical field of petroleum exploration, collection and transportation, and in particular relates to a water-based wax remover and a preparation method thereof. Background technique [0002] Most of the crude oil mined in my country contains a certain amount of wax. The wax in the crude oil in the formation usually exists in a dissolved state. However, during the extraction of crude oil, the crude oil produced by the oil well is mined from the underground and transported to the ground. , the temperature and pressure of the crude oil liquid continue to drop, and the ability of the crude oil to dissolve wax gradually decreases. When the temperature of the crude oil liquid is lower than the melting point of the wax in it, the wax begins to crystallize gradually, and the precipitated wax will deposit around the well wall and produce In the casing, it will cause damage to the reservoir, cause problems such as sucker rod overload,...

Claims

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Application Information

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IPC IPC(8): C09K8/524
CPCC09K8/524
Inventor 李大鹏王国瑞李洪社程晓婷
Owner 威海翔泽新材料科技有限公司
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