Self-emulsifying heavy oil viscosity reducer as well as preparation method and application thereof

A heavy oil viscosity reducer and self-emulsifying technology, which is applied in chemical instruments and methods, earthwork drilling, and fluid production, etc. problems such as low content of qualitative components, to achieve good economic and social benefits, good viscosity reduction effect, and improved recovery effect.

Inactive Publication Date: 2018-09-21
山东安捷宇石油技术服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical feature described in this patented technology relates to modifying or adding certain substances into nanoparticles made up mainly of siloxane (SiO2) instead of traditional methods involving expensive reagents like chlorine gas). These modifications enhance its properties such as reducing fluid friction when used together with other materials during use. Additionally, it suggests using specific types of particles called silanes due their ability to create stronger bonds within another material system while still allowing them to mix freely. Overall these techniques aim to make better ways to recover valuable resources more efficiently at higher temperatures than before.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the efficiency at recovering large amounts (heavier) of crude oils from underground deposits such as tar sands found throughout North America's United States. Current techniques involve burning them down into gases that are harmful substances causing environmental concerns over their disposal after they were used up.

Method used

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  • Self-emulsifying heavy oil viscosity reducer as well as preparation method and application thereof
  • Self-emulsifying heavy oil viscosity reducer as well as preparation method and application thereof
  • Self-emulsifying heavy oil viscosity reducer as well as preparation method and application thereof

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Effect test

Embodiment 1

[0027] Example one: Preparation of self-emulsifying thick oil viscosity reducer one

[0028] a. Modification of silica: add 3 parts by weight of propanol to the container, adjust the pH to 4.5 with formic acid, then add 0.5 parts by weight of water and mix well, add 1.5 parts by weight of diethylene triacetate while stirring Aminopropyltrimethoxysilane and 0.5 parts by weight of hexamethyldisilazane are fully hydrolyzed to obtain a modifier; 80 parts by weight of silica are added to 1000 parts by weight of deionized water, and then Adding 20 parts by weight of modifier, heating and refluxing for 3 hours, and drying the reaction product at 100°C to obtain modified silica;

[0029] b. Synthesis of self-emulsifying thick oil viscosity reducer: 92 parts by weight of modified silica are added to 500 parts by weight of absolute ethanol, and then 5 parts by weight of alkylphenol ether sulfosuccinate sodium salt And 3 parts by weight of acrylamide, stir to dissolve, heat to 70°C, replace ...

Embodiment 2

[0030] Embodiment two: Preparation of self-emulsifying thick oil viscosity reducer II

[0031] a. Modification of silica: add 5 parts by weight of propanol to the container, adjust the pH to 4.5 with formic acid, then add 1.5 parts by weight of water and mix well, add 2.5 parts by weight of diethylene triacetate while stirring Aminopropyltrimethoxysilane and 1.5 parts by weight of hexamethyldisilazane are fully hydrolyzed to obtain a modifier; 90 parts by weight of silica are added to 1000 parts by weight of deionized water, and then Adding 10 parts by weight of modifier, heating and refluxing for 6 hours, and drying the reaction product at 100°C to obtain modified silica;

[0032] b. Synthesis of self-emulsifying thick oil viscosity reducer: adding 96 parts by weight of modified silica to 500 parts by weight of absolute ethanol, and then adding 3 parts by weight of alkylphenol ether sulfosuccinate sodium salt And 1 part by weight of acrylamide, stirred and dissolved, heated to 7...

Embodiment 3

[0033] Embodiment three: Preparation of self-emulsifying thick oil viscosity reducer three

[0034] a. Modification of silica: add 4 parts by weight of propanol to the container, adjust the pH to 4.5 with formic acid, then add 1 part by weight of water and mix well, add 2 parts by weight of diethylene triacetate while stirring Aminopropyltrimethoxysilane and 1 part by weight of hexamethyldisilazane are fully hydrolyzed to obtain a modifier; 85 parts by weight of silica are added to 1000 parts by weight of deionized water, and then Adding 15 parts by weight of modifier, heating and refluxing for 4.5 hours, and drying the reaction product at 100°C to obtain modified silica;

[0035] b. Synthesis of self-emulsifying thick oil viscosity reducer: 94 parts by weight of modified silica are added to 500 parts by weight of absolute ethanol, and then 4 parts by weight of alkylphenol ether sulfosuccinate sodium salt And 2 parts by weight of acrylamide, stir to dissolve, heat to 70°C, replac...

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Abstract

The invention discloses a self-emulsifying heavy oil viscosity reducer which is prepared from the following components in parts by weight: modified nano silicon dioxide, alkyl phenol ether sulfosuccinate sodium salt, acrylamide, tert-Butyl peroxybenzoate and a stabilizer according to a weight ratio of (92-96):(3-4):(1-3):0.5:(0.02-1). Meanwhile, the invention discloses a preparation method and application of the self-emulsifying heavy oil viscosity reducer. The preparation method is simple in process, easy to operate, low in cost and high in production efficiency, and industrial production canbe implemented easily. The product disclosed by the invention is good in viscosity reducing effect, wide in application range and high in practicability, improves the recovery efficiency of crude oiland achieves relatively good economical and social benefits.

Description

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Claims

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Application Information

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Owner 山东安捷宇石油技术服务有限公司
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