Oil-soluble heavy oil viscosity reducer and preparation method thereof

A heavy oil viscosity reducer and oil-soluble technology, applied in the field of oil-soluble heavy oil viscosity reducer and its preparation, can solve the problems of poor universality, insufficient oil solubility, insignificant viscosity reduction effect, etc. The effect of significant viscosity reduction and good universality

Active Publication Date: 2021-04-13
SOUTHWEST PETROLEUM UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few studies on oil-soluble viscosity reducers at present, most of which are limited to laboratory research and f

Method used

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  • Oil-soluble heavy oil viscosity reducer and preparation method thereof
  • Oil-soluble heavy oil viscosity reducer and preparation method thereof
  • Oil-soluble heavy oil viscosity reducer and preparation method thereof

Examples

Experimental program
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Example Embodiment

[0026]The present invention also provides a method of preparing an oil-soluble thick oil-up adhesive, comprising: 2,2,3,3-tetrafluoropropyl methacrylate, styrene, maleic anhydride, and armor, according to the molar ratio Eporpostate mixture, dissolve, heating, and initiation reaction to obtain an oil-soluble thick oil-up adhesive.

[0027]Preferably, the molar ratio is: 2,2,3,3-tetrafluoropropyl methacrylate: styrene: maleic anhydride: methyl methacrylate = 1: 3: 2: 10.

[0028]Preferably, the solvent selected by the dissolution process is toluene, the mass of the toluene is 90% and 110% by weight of the four monomers. This solvent toxicity is smaller than other solvents and does not affect the reaction.

[0029]Preferably, the heating temperature of the heating process is 60 ° C to 80 ° C.

[0030]Preferably, the initiator of the initiator is a peroxide, and the mass of the oxide oxide is from 1% to 2% of the four monomers.

[0031]Preferably, the initiation reaction has a time of 5 h-7 h, and he...

Example Embodiment

[0035]Example 1

[0036]The molar ratio of the reaction monomer is: 2,2,3,3-tetrafluoropropyl methacrylate: styrene: maleic anhydride: methyl methacrylate is 1: 2: 1: 9.

[0037]The preparation process is: 0.2 g of 2,2,3,3-tetrafluoromethyl methacrylate, 0.22 g of styrene, 0.1 g of 0.22 g of styrene, 0.1 g of 0.22 g of styrene, 0.1 g of 0.22 g of styrene, 0.1 g The maleic anhydride and 3.05 g of methyl methacrylate were added to the addition of 1.57 g of toluene as a solvent. When heated in the oil bath pan, stirred at a temperature of 60 ° C, dissolved by 0.714 g of sodium oxidized benzoyl. In 2 g of toluene, it was added dropwise to the three flask, and after 5 h to be reacted, the heating was stopped, and the reaction solution was evaporated under vacuum conditions, and solvent toluene was removed.

Example Embodiment

[0038]Example 2

[0039]The molar ratio of the reaction monomer is: 2,2,3,3-tetrafluoropropyl methacrylate: styrene: maleic anhydride: methyl methacrylate is 1: 4: 3: 11.

[0040]The preparation process is: 0.2 g of 2,2,3,3-tetrafluoropropyl methacrylate, 0.44 g of styrene, 0.3 g of 0.44 g of styrene, 0.3 g of 0.44 g of styrene, 0.3 g of 0.44 g of styrene, 0.3 g of styrene, 0.3 g of styrene The maleic anhydride and 3.72 g of octhacrylate were added to 2.66 g of toluene as a solvent. When heated in the oil bath pan, stirred at a temperature of 60 ° C, dissolved by 0.0932 g of the benzoyl oxide. In 2 g of toluene, it was added dropwise to the three flask, and after 5 h to be reacted, the heating was stopped, and the reaction solution was evaporated under vacuum conditions, and solvent toluene was removed.

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Abstract

The invention discloses an oil-soluble heavy oil viscosity reducer and a preparation method thereof. The oil-soluble heavy oil viscosity reducer is obtained by reaction of four monomers of 2,2,3,3-tetrafluoropropyl methacrylate, styrene, maleic anhydride and octadecyl methacrylate, and the molar ratio of the four monomers is 1:(2-4):(1-3):(9-11). The oil-soluble heavy oil viscosity reducer is a novel F-containing viscosity reducer, has a better effect on colloid and asphaltene, has a more remarkable viscosity reduction effect compared with the prior art, is simple in preparation process, mild in condition and good in oil solubility, and can be mixed with methylbenzene for use.

Description

technical field [0001] The invention relates to the field of oilfield chemical additives, in particular to an oil-soluble heavy oil viscosity reducer and a preparation method thereof. Background technique [0002] According to statistics, heavy oil accounts for a relatively large proportion of the entire oil resources, and the discovered reserves of heavy heavy oil in the world are about 1000×10 8 t. China's heavy heavy oil reserves are abundant and widely distributed, with huge reserves in Liaoning, Henan, Shandong and Xinjiang. It is estimated that my country's heavy heavy oil resources are about 300×10 8 t. However, heavy oil has the characteristics of high density, high viscosity, and poor fluidity, and its exploitation and transportation are very difficult. [0003] According to the different characteristics of the heavy oil produced in different regions, different viscosity reduction methods are selected. At present, the commonly used viscosity reduction methods in...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/22C08F212/08C08F222/06C09K8/588
CPCC08F220/1818C09K8/588C08F220/22C08F212/08C08F222/06
Inventor 全红平常世豪余杰李晓明庄志康
Owner SOUTHWEST PETROLEUM UNIV
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