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A kind of preparation method of alcohol-based fracturing fluid

A fracturing fluid, alcohol-based technology, applied in the field of fracturing fluid, can solve the problem that the stability of the alcohol-based fracturing fluid cannot meet the preset standards according to the adjustment of the swelling rate of the thickener

Active Publication Date: 2022-03-01
大庆永铸石油技术开发有限公司
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Problems solved by technology

[0004] For this reason, the present invention provides a method for preparing alcohol-based fracturing fluid, which can solve the technical problem that the stability of the prepared alcohol-based fracturing fluid cannot meet the preset standards by adjusting the swelling rate of the thickener

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  • A kind of preparation method of alcohol-based fracturing fluid
  • A kind of preparation method of alcohol-based fracturing fluid
  • A kind of preparation method of alcohol-based fracturing fluid

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Embodiment Construction

[0062] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0063]Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0064] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is o...

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Abstract

The present invention relates to a method for preparing alcohol-based fracturing fluid, comprising: step S1, injecting a thickener into a preparation chamber through a first feeding port, and swelling with water in the preparation chamber; and step S2, passing through a first preset time, alternating The coupling agent passes through the second feed port, the foaming agent passes through the third feed port, the compounding agent passes through the fourth feed port, and the foam stabilizer is injected into the preparation chamber through the fifth feed port to stir and mix with the swollen thickener Alcohol-based fracturing fluid is formed; step S3, the alcohol-based fracturing fluid is injected into the detection chamber through the first pipeline, and the central control unit controls the detection chamber to be inverted several times. After the second preset time, the central control unit injects the alcohol-based fracturing fluid through The second pipeline is discharged, and the central control unit obtains the stability of the alcohol-based fracturing fluid, and determines that the alcohol-based fracturing fluid with qualified stability will be produced. In the present invention, a central control unit is set to adjust the parameters of each component so that the stability of the produced alcohol-based fracturing fluid meets the preset standard.

Description

technical field [0001] The invention relates to the field of fracturing fluids, in particular to a method for preparing alcohol-based fracturing fluids. Background technique [0002] Oil and gas resources are important strategic materials for national survival and security, and are also an important component of national economic construction and life. In recent years, with the adjustment of the national energy structure, water-sensitive reservoirs and tight reservoirs, which are important components of unconventional oil and gas with huge reserves and great impact on environmental protection, have gradually become the focus of exploration and development of unconventional oil and gas resources in my country. One of the key objects. At present, water-based fracturing fluids are mainly used in the exploitation of unconventional oil and gas reservoirs at home and abroad, but because unconventional oil and gas reservoirs usually show poor physical properties and are water-sensi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K8/68C09K8/90
CPCC09K8/685C09K8/887C09K8/905
Inventor 侯大伟薄云天
Owner 大庆永铸石油技术开发有限公司
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