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Biological viscosity reducer

A biological viscosity reducer and biological technology, which are applied in the directions of drilling compositions, chemical instruments and methods, can solve the problems of hidden safety hazards, high cost and poor fluidity in the construction process, and achieve obvious viscosity reduction effect, simple production, Easy-to-use effects

Inactive Publication Date: 2022-03-11
安徽潮鸣科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the continuous increase of oil demand and the continuous consumption of ordinary crude oil, people pay more and more attention to heavy oil resources. The development and utilization of heavy oil resources still face many difficulties. The high content of colloids and asphaltenes in heavy oil makes its viscosity Large and poor fluidity, resulting in difficult mining and low recovery
At present, chemical methods and thermal methods are mainly used in heavy oil production. The disadvantages are: high cost, serious environmental pollution, and serious safety hazards in the construction process.
The existing thinner-mixed viscosity-reducing agent is the most widely used, and the traditional viscosity-reducing agent usually loses the viscosity-reducing effect above 50°C, and the viscosity-reducing effect is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] A preparation method of a biological viscosity reducer, the preparation method comprising the steps of:

[0033] S1. Weigh raw materials

[0034] Weigh bio-oil-soluble surfactant A, cyclodextrin, molasses, bio-water-soluble surfactant B, solvent component, water

[0035] S2, primary mixing

[0036] Add cyclodextrin and molasses to the solvent component, put it into a mixer, add water and stir for 15 minutes to prepare a primary mixed solution.

[0037] S3, secondary mixing

[0038] Add bio-water-soluble surfactant B to the primary mixed solution, put it into a blender, and stir for 15 minutes to prepare a secondary mixed solution.

[0039] S4, triple mixing

[0040] Add bio-oil-soluble surfactant A to the secondary mixing solution, put it into a high-speed shearer or a homogenizer and stir for 20 minutes to prepare a bio-viscosity reducer.

[0041] S5. Save

[0042] The prepared bioviscosity reducer is put into a sealed jar, placed in a cool and dry place, and sto...

Embodiment 1

[0045] S1. Weigh raw materials

[0046] Weigh bio-oil-soluble surfactant A0.1, cyclodextrin 0.1, molasses 0.12, bio-water-soluble surfactant B0.1, solvent component 5, and water 10 according to the formula ratio.

[0047] S2, primary mixing

[0048] Add cyclodextrin and molasses to the solvent component, put it into a mixer, add water and stir for 15 minutes to prepare a primary mixed solution.

[0049] S3, secondary mixing

[0050] Add bio-water-soluble surfactant B to the primary mixed solution, put it into a blender, and stir for 15 minutes to prepare a secondary mixed solution.

[0051] S4, triple mixing

[0052] Add bio-oil-soluble surfactant A to the secondary mixing solution, put it into a high-speed shearer or a homogenizer and stir for 20 minutes to prepare a bio-viscosity reducer.

[0053] S5. Save

[0054] The prepared bioviscosity reducer is put into a sealed jar, placed in a cool and dry place, and stored at room temperature.

Embodiment 2

[0056] S1. Weigh raw materials

[0057] Weigh bio-oil-soluble surfactant A4, cyclodextrin 3, molasses 2, bio-water-soluble surfactant B0.5, solvent component 10, and water 20 according to the formula ratio.

[0058] S2, primary mixing

[0059] Add cyclodextrin and molasses to the solvent component, put it into a mixer, add water and stir for 15 minutes to prepare a primary mixed solution.

[0060] S3, secondary mixing

[0061] Add bio-water-soluble surfactant B to the primary mixed solution, put it into a blender, and stir for 15 minutes to prepare a secondary mixed solution.

[0062] S4, triple mixing

[0063] Add bio-oil-soluble surfactant A to the secondary mixing solution, put it into a high-speed shearer or a homogenizer and stir for 20 minutes to prepare a bio-viscosity reducer.

[0064] S5. Save

[0065] The prepared bioviscosity reducer is put into a sealed jar, placed in a cool and dry place, and stored at room temperature.

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PUM

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Abstract

The invention discloses a biological viscosity reducer which comprises the following raw material components in parts by mass: 0.1-10 parts of a biological oil-soluble surfactant A, 0.1-8 parts of cyclodextrin, 0.12-6 parts of molasses, 0.1-20 parts of a biological water-soluble surfactant B and 10-30 parts of a solvent component, the viscosity reducer contains water, the mass of the water is less than or equal to 40, and the mass of the molasses is less than or equal to 10. The solvent component is selected from one or more of C1-C2 monocarboxylic acid, C1-C2 monohydric alcohol, C1-C3 monoamine and C1-C3 amide, the bio-oil-soluble surfactant A and the bio-water-soluble surfactant B are both prepared by microbial fermentation, the preferable viscosity of the bio-oil-soluble surfactant A at the temperature of 50 DEG C is less than or equal to 10 mPa.s, and the preferable viscosity of the bio-water-soluble surfactant B at the temperature of 50 DEG C is less than or equal to 10 mPa.s. The lipophilic group is one or more of hydrocarbon or fatty acid with the carbon number of 10-30. The biological viscosity reducer is prepared by matching, mixing and stirring the biological water-soluble surfactant B, the biological oil-soluble surfactant A, the cyclodextrin and the solvent component, and is simple to prepare, obvious in viscosity reduction effect, simple to operate, convenient to use, good in stability and low in cost.

Description

technical field [0001] The invention relates to a biological thick oil viscosity reducer, in particular to a biological viscosity reducer. Background technique [0002] With the continuous increase of oil demand and the continuous consumption of ordinary crude oil, people pay more and more attention to heavy oil resources. The development and utilization of heavy oil resources still face many difficulties. The high content of colloids and asphaltenes in heavy oil makes its viscosity Large size and poor fluidity lead to difficult mining and low recovery. At present, chemical and thermal methods are mainly used in the mining of heavy oil. The disadvantages are: high cost, serious environmental pollution, and serious safety hazards in the construction process. The existing thinner-mixed viscosity-reducing agent is the most widely used, and the traditional viscosity-reducing agent usually loses the viscosity-reducing effect above 50°C, and the viscosity-reducing effect is poor....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/584
CPCC09K8/584
Inventor 罗刚张超干稳李迪
Owner 安徽潮鸣科技有限公司