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Whole-course visualized self-supporting fracturing technology study device

A technology research, self-supporting technology, applied in the direction of mining fluid, measurement, wellbore/well components, etc., can solve the problems of limited migration distance of quartz sand, small particle size of sand added, and inability to operate continuously, etc., to achieve optimal formula Compatible with construction parameters and processes, simple processing and convenient assembly

Inactive Publication Date: 2020-02-18
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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  • Whole-course visualized self-supporting fracturing technology study device
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  • Whole-course visualized self-supporting fracturing technology study device

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Embodiment Construction

[0074] 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.

[0075] 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.

[0076] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in ...

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Abstract

The invention discloses a whole-course visualized self-supporting fracturing technology study device. The device comprises following units of (1), a visualized variable slit width simulation self-supporting fracturing liquid distribution flow flat plate and pressure measuring unit; (2), a visualized clamping and temperature control unit; (3), a visualized liquid injection pipeline, shaft and blending equipment simulation unit; (4), a liquid supply unit; (5), a pressure control and flow control unit; (6), a self-supporting fracturing liquid and passageway fracturing liquid separator; and (7), an image acquisition unit. The units are combined together to form a flow space which has 10 MPa liquid pressure resistance and can simulate the flow distribution rule of a self-supporting fracturing liquid system in a perforation belt and a parallel crack space, meanwhile, the flow space is provided with a heating temperature control system, the heating conditions of a simulated formation can be provided, and self-supporting fracturing liquid distributed differently generates a phase change to form a self-supporting solid phase.

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 a whole-process visual self-supporting fracturing process research device. 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 fluid (at room temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/267E21B47/00E21B47/002
CPCE21B43/267E21B47/00
Inventor 裴宇昕李东平周立宏付大其林火养孙向东李海霞朱旭周凯杨暕暕李晓娟袁灿江周静张谦
Owner DAGANG OIL FIELD GRP
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