An experimental device for visually simulating the flow law of self-supporting fracturing fluid

An experimental device and fracturing fluid technology, applied in teaching models, production fluids, boreholes/well components, etc., can solve problems such as limited migration distance of quartz sand, small particle size of sand added, and inability to operate continuously, etc., to achieve Optimize the formula and construction parameters and process, facilitate assembly, and have strong practicability

Active Publication Date: 2022-04-05
DAGANG OIL FIELD GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Facing the technical problems existing in the current volume fracturing technology, the movement distance of quartz sand carried by slick water is limited, the particle size of sand added is extremely small, and the continuous operation is usually impossible

Method used

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  • An experimental device for visually simulating the flow law of self-supporting fracturing fluid
  • An experimental device for visually simulating the flow law of self-supporting fracturing fluid
  • An experimental device for visually simulating the flow law of self-supporting fracturing fluid

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, it indicates There are features, steps, operations, parts or modules, components and / or combinations thereof.

[0035] It should be noted that the terms "first" and "second" in the description and claims of the present application and ...

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Abstract

The invention discloses an experimental device for visually simulating the flow law of self-supporting fracturing fluid, which comprises two plexiglass plates, an integrated main frame, and image acquisition equipment. The two plexiglass plates are respectively sealed and connected to the integrated main frame. The upper and lower end faces of the frame, thereby forming an intermediate visual flow structure with an inner cavity flow structure; the beneficial effect of the present invention is that, according to different experimental parameters, the device can visually observe the distribution of self-supporting fracturing fluid in simulated formation fractures Situation; with uniquely designed simulated blasthole and conical flow space, it can simulate the influence of perforated blasthole and perforated zone on the distribution of self-supporting fracturing fluid.

Description

technical field [0001] The invention belongs to the field of petroleum exploitation, in particular to the technical field of oil and gas production stimulation measures, and in particular to an experimental device for visually simulating the flow law of self-supporting fracturing fluid. Background technique [0002] Facing the technical problems existing in the current volume fracturing technology, the slick water carries the quartz sand with a limited migration distance, the particle size of the added sand is extremely small, and the continuous operation is usually impossible. At present, a brand-new hydraulic fracturing process measure-liquid self-supporting fracturing technology has been developed. The technical principle is: use immiscible self-supporting fracturing fluid (no solid phase at room temperature, liquid with good flow ability, unique heat sensitivity, self-supporting solid phase will be generated when heated to a certain temperature) and Channel fracturing f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/26E21B43/116E21B43/267E21B47/002G09B25/04
CPCE21B43/26E21B47/00E21B43/267E21B43/116G09B25/04
Inventor 裴宇昕赵明付大其杨欢宁晓颖林火养张津红朱旭张天林王滨任建芳张谦
Owner DAGANG OIL FIELD GRP
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