Visual fracturing fluid spontaneous-imbibition research device and method

A technology for spontaneous imbibition, fracturing fluids, used in measurement devices, permeability/surface area analysis, suspension and porous material analysis, etc.

Pending Publication Date: 2018-12-14
XI'AN PETROLEUM UNIVERSITY
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However, there are few research methods that can completely display the entire spontaneous imbibition p

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  • Visual fracturing fluid spontaneous-imbibition research device and method
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  • Visual fracturing fluid spontaneous-imbibition research device and method

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Embodiment Construction

[0060] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0061] refer to figure 1 and figure 2 , the visual fracturing fluid spontaneous imbibition research device of the present invention comprises a booster pump 1, a first burette 3, a second burette 3-1, a core slice 4 and a vacuum pump 5; the inlet end A of the core slice 4 is connected to the first burette 3 is connected at one end, and the outlet end B of the rock core sheet 4 is connected with one end of the second burette ...

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Abstract

The invention relates to a visual fracturing fluid spontaneous-imbibition research device and method. The device comprises a pressure pump, a first burette, a second burette, a core wafer and a vacuumpump; the inlet end of the core wafer is connected with one end of the first burette; the outlet end of the core wafer is connected with one end of the second burette; when the core wafer is vacuumized, the other end of the second burette is connected with the vacuum pump; when forward driving on the core wafer is carried out, the other end of the first burette is connected with the pressure pump; and, when reverse driving on the core wafer is carried out, the other end of the second burette is connected with the pressure pump. According to the visual fracturing fluid spontaneous-imbibition research device and method in the invention, spontaneous imbibition of fracturing fluid can be researched by simulating the whole hydraulic fracturing process; when simulation is carried out, a spontaneous imbibition phenomenon can be observed and recorded through naked eyes and optical microscope equipment; and finally, spontaneous imbibition characteristics of the fracturing fluid are obtained qualitatively and quantitatively.

Description

technical field [0001] The invention relates to the technical field of oil and gas reservoir development, in particular to a device and method for researching the spontaneous imbibition of visualized fracturing fluid. Background technique [0002] With the increasing dependence of human beings on resources such as oil and natural gas, in the past decade, unconventional oil and gas extraction has gradually become the main task of oil and gas development in countries all over the world. Generally speaking, unconventional oil and gas resources have the characteristics of large resources but difficult exploitation. In order to form industrial oil and gas flow, unconventional oil and gas resources must carry out production stimulation operations different from conventional oil and gas resources. Hydraulic fracturing is one of the important means of exploiting unconventional oil and gas resources. [0003] Usually after hydraulic fracturing, the fracturing fluid needs to be rever...

Claims

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Application Information

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IPC IPC(8): G01N15/08G01N21/85
CPCG01N15/082G01N21/85G01N2021/8405
Inventor 何泽轩刘娅菲刘雄李宪文周德胜
Owner XI'AN PETROLEUM UNIVERSITY
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