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Two-phase thixotropic agent and preparation method thereof

A thixotropic agent and solvent technology, which is applied in the field of two-phase thixotropic agent and its preparation, can solve the problems such as the inability to use multiple thixotropic agents in one agent, the large gap in suspension performance, and the inability to be used in general, and achieve the effect of good suspension effect.

Active Publication Date: 2022-07-29
四川川庆井下科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many thixotropic agents on the market, but based on the different types of solvents used, the suspension performance of the same thixotropic agent system in different solvents is quite different, especially for the performance between oil phase and non-oil phase solvents The difference is particularly obvious, which also leads to the inability of existing thixotropic agents to achieve multi-purpose between oil phase and non-oil phase solvents
[0003] In order to solve this problem, this patent provides a new type of thixotropic agent system, the thixotropic agent is mainly prepared for the suspension system of granular substances such as polymers and inorganic salts, and overcomes the existing oil phase suspension system and non-oil phase The formula of the suspension system is quite different, and the defect that it cannot be used universally

Method used

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  • Two-phase thixotropic agent and preparation method thereof
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  • Two-phase thixotropic agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] To prepare the thixotropic agent for two-phase use, the required raw materials are shown in Table 1.

[0059] Table 1 Example 1 raw material table

[0060]

[0061]

[0062] It should be noted that in 49 parts of polymer powder (containing negatively charged microorganisms), microorganisms accounted for 2%; in 1.5 parts of modified montmorillonite (containing nutrients), nutrients accounted for 30%.

[0063] The preparation method of the two-phase thixotropic agent: put the white oil into the reaction vessel, control the stirring rate at 300r / min, add cationic surfactant and anionic surfactant in sequence, stir for 10 minutes after the addition, and then adjust the stirring rate To 5000r / min, add modified montmorillonite and stir for 20 minutes.

[0064] Preparation of Suspension System: Adjust the stirring speed of the two phases to 300 r / min with a thixotropic agent, add polymer powder, and stir for 30 minutes to complete the preparation of the suspension syste...

Embodiment 2

[0067] To prepare a thixotropic agent for two-phase use, the required raw material table is shown in Table 2.

[0068] Table 2 Example 2 raw material table

[0069]

[0070] It should be noted that in 28 parts of biocolloid powder (containing negatively charged microorganisms), microorganisms accounted for 2%; in 1.5 parts of modified montmorillonite (containing nutrients), nutrients accounted for 30%.

[0071] The preparation method of two-phase thixotropic agent:

[0072] Put kerosene into the reaction vessel, control the stirring speed at 200r / min, add cationic surfactant and anionic surfactant in turn, stir for 10 minutes after the addition, adjust the stirring speed to 4000r / min, add modified montmorillonite , stir for 20 minutes.

[0073] Preparation of Suspension System: Adjust the stirring speed of the two phases to 200 r / min with a thixotropic agent, add polymer powder, and stir for 30 minutes to complete the preparation of the suspension system.

Embodiment 3

[0075] To prepare the thixotropic agent for two-phase use, the required raw material table is shown in Table 3.

[0076] Table 3 Example 3 raw material table

[0077]

[0078] It should be noted that in 32 parts of polymer powder (containing negatively charged microorganisms), microorganisms accounted for 2%; in 1.5 parts of modified montmorillonite (containing nutrients), nutrients accounted for 30%.

[0079] The preparation method of the two-phase thixotropic agent: put polyethylene glycol 200 into the reaction vessel, control the stirring speed at 500r / min, add cationic surfactant and anionic surfactant in turn, stir for 10 minutes after the addition, and then Adjust the stirring speed to 6000r / min, add modified montmorillonite, and stir for 20 minutes.

[0080] Preparation of Suspension System: Adjust the stirring speed of the two phases to 400 r / min with a thixotropic agent, add polymer powder, and stir for 30 minutes to complete the preparation of the suspension syst...

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Abstract

The invention relates to a two-phase thixotropic agent and a preparation method thereof. The two-phase thixotropic agent comprises the following raw materials in percentage by weight: 49-71% of a solvent; 3%-5% of a cationic surface active agent; 1-3% of a nonionic surfactant; 1 to 3 percent of modified montmorillonite; the balance is positively charged suspended particulate matters; the weight percentage of the nonionic surfactant is consistent with that of the modified montmorillonite. The invention has the following beneficial effects: the suspending agent has a suspending effect in the initial stage of preparation and also has good flowability, and the suspending effect is better along with the increase of time.

Description

technical field [0001] The invention relates to the technical field of oil and gas field development, in particular to a two-phase thixotropic agent and a preparation method thereof. Background technique [0002] In life and production, thixotropic agents are widely used in various daily necessities and industrial products, such as cosmetics, coatings, drilling fluids, etc. For different solution systems, researchers have developed different thixotropic agent systems to meet the suspension performance requirements of products. At present, there are many thixotropic agents on the market, but based on the different types of solvents used, the suspension performance of the same thixotropic agent system in different solvents is quite different, especially for the performance between oil phase and non-oil phase solvents The difference is especially obvious, which also results in the inability of existing thixotropic agents to achieve multi-purpose use between oil phase and non-o...

Claims

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Application Information

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IPC IPC(8): C09K8/03
CPCC09K8/03
Inventor 王鹏祥孙亚东李嘉吴安林于世虎吴越周怡杨立蒋琪陈星宇
Owner 四川川庆井下科技有限公司
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