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Low-viscosity crude oil emulsifier

An emulsifier and crude oil technology, applied in chemical instruments and methods, drilling compositions, pipeline systems, etc., can solve the problems of difficult molding, poor thermal stability and emulsifying performance, and can not meet the viscosity reduction of heavy oil, etc. Satisfy the viscosity reduction of heavy oil, good thermal stability and emulsifying performance, and the effect of facilitating extraction and transportation

Inactive Publication Date: 2018-12-21
凌曙春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Emulsifier is a surface-active substance, which has both hydrophilic and lipophilic groups in the molecule. It gathers on the oil / water interface, which can reduce the interfacial tension and reduce the energy required to form an emulsion, thereby increasing the energy of the emulsion. Among them, Existing crude oil emulsifiers have poor thermal stability and emulsifying performance, are not easy to form, have poor oil displacement effects, cannot meet the requirements of heavy oil viscosity reduction, and are not conducive to production and transportation

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0008] A low-viscosity crude oil emulsifier, comprising the following components in parts by mass: 78-82 parts of water, 1.5-4.5 parts of ammonium sulfate of alkylphenol polyoxyethylene ether, 6-10 parts of polyoxyethylene polyoxypropylene polyether, fluorine Carbon surfactant 0.05~0.25 parts and sodium carbonate 1.5~3..5 parts.

[0009] A low-viscosity crude oil emulsifier, comprising the following components by mass: 79-81 parts of water, 2-4 parts of ammonium sulfate of alkylphenol polyoxyethylene ether, 7-9 parts of polyoxyethylene polyoxypropylene polyether, fluorine Carbon surfactant 0.1~0.2 parts and sodium carbonate 2.0~3.0 parts.

[0010] A low-viscosity crude oil emulsifier, comprising the following components by mass: 80 parts of water, 3 parts of ammonium sulfate of alkylphenol polyoxyethylene ether, 8 parts of polyoxyethylene polyoxypropylene polyether, and 0.12 parts of fluorocarbon surfactant And 2.5 parts of sodium carbonate.

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Abstract

The invention relates to the technical field of industrial emulsifiers, in particular to a low-viscosity crude oil emulsifier. The low-viscosity crude oil emulsifier is prepared from the following components in parts by mass: 78 to 82 parts of water, 1.5 to 4.5 parts of alkylphenol polyoxyethylene ether ammonium sulfate, 6 to 10 parts of polyoxyethylene polyoxypropylene polyether, 0.05 to 0.25 part of a fluorocarbon surfactant and 1.5 to 3.5 parts of sodium carbonate. The crude oil emulsifier prepared by utilizing the formula is good in heat stability and emulsification performance and easy informing emulsion, thereby having certain oil displacing effect, meeting the viscosity reduction requirement of the thick oil, and facilitating the exploitation and transportation.

Description

technical field [0001] The invention relates to the technical field of industrial emulsifiers, in particular to a low-viscosity crude oil emulsifier. Background technique [0002] Emulsifier is a substance that can improve the surface tension between the various constituent phases in the emulsion to form a uniform and stable dispersion system or emulsion. Emulsifier is a surface-active substance, which has both hydrophilic and lipophilic groups in the molecule. It gathers on the oil / water interface, which can reduce the interfacial tension and reduce the energy required to form an emulsion, thereby increasing the energy of the emulsion. Among them, The existing crude oil emulsifiers have poor thermal stability and emulsifying performance, are not easy to form, have poor oil displacement effects, cannot meet the requirements of viscosity reduction of heavy oil, and are not conducive to production and transportation. Contents of the invention [0003] In order to overcome t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/584F17D1/16
CPCC09K8/584F17D1/16
Inventor 凌曙春
Owner 凌曙春