Experiment system for high-pressure outcrop plane model

A model experiment and high-pressure technology, which is applied in the fields of mining fluid, wellbore/well components, earthwork drilling and production, etc., can solve the problems that the experiment cannot be popularized, scientific research is provided, and the experimental method is not suitable, so as to reduce the difficulty of experiment and operation Effect

Active Publication Date: 2012-07-11
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, many people have tried to carry out high-pressure experiments of two-dimensional physical models in high-pressure chambers, but due to the complicated operation of the process and unsuit...

Method used

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  • Experiment system for high-pressure outcrop plane model
  • Experiment system for high-pressure outcrop plane model
  • Experiment system for high-pressure outcrop plane model

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Embodiment 1

[0048] Figure 9 It is a structural schematic diagram of a specific embodiment of the high-pressure outcrop plane model experimental system of the present invention. As shown in the figure, the Figure 2-Figure 8 The high pressure chamber system 101, ring pressure system 102, injection system 103, vacuum saturation system 105, high pressure chamber pressure protection system 107, control acquisition system 106 and outlet measurement system 104 are connected to form a complete test system.

[0049] In this embodiment, the high-pressure outcrop plane model is placed in the high-pressure chamber, and various interfaces of the high-pressure outcrop plane model are connected with the high-pressure chamber interfaces 4-8 to form a closed space outside the model. After the closed space is filled with fluid and pressurized, the A ring pressure is formed outside the high-pressure outcrop planar model to ensure that the sealing material of the high-pressure outcrop planar model will no...

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PUM

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Abstract

The invention discloses an experiment system for a high-pressure outcrop plane model. The experiment system comprises a high-pressure bin system, an annular pressure system, an injection system, a vacuumizing saturation system, a high-pressure bin pressure protection system, a control acquisition system and an outlet measurement system, wherein the high-pressure outcrop plane model is arranged in the high-pressure bin system; the high-pressure bin system is connected with the annular pressure system, the vacuumizing saturation system, the injection system, the outlet measurement system and the control acquisition system respectively; and the high-pressure bin pressure protection system is connected with the control acquisition system and the annular pressure system respectively. According to the experiment system for the high-pressure outcrop plane model provided by the embodiment of the invention, the automation of experiment operation and data acquisition is realized, experiment difficulties and operation difficulties are greatly reduced, a foundation is laid for large-scale experiments of the plane model, and a powerful tool is provided for the research of low-permeability and extremely-low-permeability reservoirs.

Description

technical field [0001] The present invention relates to the fields of petroleum exploration and development and reservoir engineering, in particular to the field of reservoir engineering experiments, specifically a high-pressure outcrop plane model experiment system, which is suitable for detecting real underground pressure environments in laboratory reservoir fluid displacement simulations The pressure field changes and flow field changes in . Background technique [0002] In order to study the mechanism of fluid seepage in reservoirs, fluid displacement experiments in the laboratory, core displacement experiments and plane model displacement experiments have become the main means to study the law of subsurface fluid flow and development characteristics. [0003] For medium-high permeability reservoirs, due to the high permeability of the model and core, the displacement pressure of the experiment is relatively low, so high pressure is not required in the experiment, so the...

Claims

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Application Information

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IPC IPC(8): E21B43/16
Inventor 刘学伟薛成国杨正明熊生春王学武张亚蒲徐轩
Owner PETROCHINA CO LTD
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