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Self-foaming delayed solid foam drainage agent and preparation method thereof

A foam drainage agent and self-foaming technology, applied in the direction of chemical instruments and methods, drilling compositions, etc. Possess delay function and other problems to achieve good liquid carrying effect

Active Publication Date: 2021-12-10
广汉市福客科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a self-foaming delayed solid foam drainage agent and its preparation method, to solve the problem that the self-foaming, foaming, foam stabilization, and liquid-carrying functions of the solid foam drainage agent in the prior art are not integrated, and do not Technical issues with defer function

Method used

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  • Self-foaming delayed solid foam drainage agent and preparation method thereof
  • Self-foaming delayed solid foam drainage agent and preparation method thereof
  • Self-foaming delayed solid foam drainage agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1.1 Raw material

[0029] The specific ratio of each chemical component in the solid foam drainage agent prepared in this example is shown in Table 1.

[0030] The specific proportioning ratio of chemical components of table 1 embodiment 1

[0031]

[0032] 1.2 Preparation method

[0033] S1. Preparation of adhesive and delaying film. Dissolve the adhesive completely into a liquid under the heating condition of 60°C, transfer it to a constant temperature and high pressure atomization spraying device and store it at a constant temperature of 60°C for later use; heat the delaying film at 80°C The membrane material is completely dissolved into a liquid, and when the temperature drops to the range of 50-55°C, it is stored at a constant temperature;

[0034] S2. Material mixing. Under the condition of air humidity RH≤30%, weigh the raw materials according to the mass ratio, add aluminum elemental powder, sodium hydroxide and foaming agent to the stirring tank in sequenc...

Embodiment 2

[0038] 2.1 Raw material

[0039] The specific ratio of each chemical component in the solid foam drainage agent prepared in this example is shown in Table 2.

[0040] The specific proportioning ratio of chemical components of table 2 embodiment 2

[0041]

[0042] 2.2 Preparation method

[0043] S1. Preparation of adhesive and delaying film. Dissolve the adhesive into liquid completely under the condition of heating at 80°C, transfer it to a constant temperature and high pressure atomizing spraying device and store it at a constant temperature of 60°C for later use; heat the delaying film at 80°C The membrane material is completely dissolved into a liquid, and when the temperature drops to the range of 55°C, it is stored at a constant temperature;

[0044] S2. Material mixing. Under the condition of air humidity RH≤30%, weigh the raw materials according to the mass ratio, add aluminum elemental powder, sodium hydroxide and foaming agent to the stirring tank in sequence, and...

Embodiment 3

[0048] 3.1 Raw material

[0049] The specific ratio of each chemical component in the foam drainage agent prepared in this example is shown in Table 3.

[0050] The concrete proportioning ratio of the chemical component of table 3 embodiment 3

[0051]

[0052] 3.2 Preparation method

[0053] S1. Preparation of adhesive and delaying film, completely dissolve the adhesive into liquid under the heating condition of 60-80°C, transfer it to a constant temperature and high pressure atomization spraying device and store it at a constant temperature of 60°C for later use; under the heating condition of 80°C Dissolve the delay film material completely into a liquid, and store it at a constant temperature when the temperature drops to the range of 50-55°C;

[0054] S2. Material mixing, under the condition of air humidity RH≤30%, weigh the raw materials according to the mass ratio, add aluminum elemental powder, sodium hydroxide and foaming agent to the stirring tank in sequence, a...

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Abstract

The invention discloses a self-foaming delayed solid foam drainage agent and a preparation method thereof, and solves the technical problems that in the prior art, self-foaming, foaming, foam stabilizing and liquid carrying functions of a solid foam drainage agent are not integrated, and the solid foam drainage agent does not have a delay function. The foam drainage agent comprises a reaction ball and a delay film wrapping the reaction ball, and the reaction ball comprises elemental aluminum powder, sodium hydroxide, a foaming agent, a binder and a foam stabilizer. The foam drainage agent comprises the following chemical components in percentage by mass: 10-20% of the elemental aluminum powder, 30-40% of sodium hydroxide, 15-20% of the foaming agent, 3-10% of the binder, 5-10% of the foam stabilizer and 5-10% of a delay film. The foam drainage agent is used for natural gas well drainage, the functions of foaming, foaming, foam stabilizing and liquid carrying can be integrally achieved, meanwhile, the delay film can enable a foam drainage agent to smoothly enter a gas well to be released after water is accumulated, and loss of reaction balls in the middle of entering the gas well is avoided.

Description

technical field [0001] The invention relates to a solid foam drainage agent and a preparation method thereof, in particular to a self-foaming delayed solid foam drainage agent and a preparation method thereof. Background technique [0002] In the middle and late stages of natural gas well development, formation energy decreases, and formation water will flow into the near wellbore zone or wellbore with natural gas, and accumulate here, resulting in a decrease in production or even shutdown of the gas well. Foam drainage technology is one of the most economical and effective methods to discharge liquid accumulation in wells, increase natural gas production, and prolong the production cycle of gas wells. It is characterized by convenient construction, simple equipment, low cost, wide range of applicable well depths, quick returns, and does not affect the normal production of gas wells, etc. The benefits are gaining more and more attention. [0003] At present, the commonly us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/584
CPCC09K8/584
Inventor 金承平王泽东向泽龙陈学忠杨健唐诗国黎隆兴王学强周长林叶长青朱庆王强缪云陈满杨永韬阮开贵罗玉合艾志鹏龙坤
Owner 广汉市福客科技有限公司