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Manufacturing method for visual full-closed real core model and core model

A technology of real rock core and manufacturing method, which is applied in the manufacture of visualized fully enclosed real rock core model, and in the field of core model, to achieve the effect of simple equipment requirements and guaranteed light permeability

Active Publication Date: 2013-12-25
PETROCHINA CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0007] In order to solve the technical problems existing in the sealing and pressure bearing of the existing glass models used in microscopic seepage experiments, the present invention provides a manufacturing method and a core model of a visualized fully enclosed real rock core model

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  • Manufacturing method for visual full-closed real core model and core model
  • Manufacturing method for visual full-closed real core model and core model
  • Manufacturing method for visual full-closed real core model and core model

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Embodiment Construction

[0035] The manufacturing method of the visualized fully enclosed real rock core model according to the present invention will be described in detail below in conjunction with the accompanying drawings. The manufacturing method of the visualized fully enclosed real rock core model comprises the following steps:

[0036] Step 1: Bond the core slices to be ground 1, the base core slices 2 and the base material 3 stacked in sequence, as shown in figure 1 with figure 2 said;

[0037] Step 2: Grinding the surface of the rock core piece 1 to be ground;

[0038] Step 3: separating the core piece 1 to be ground from the base core piece 2, and the separated core piece 1 to be ground is the real core slice 12;

[0039] Step 4: Place the upper glass sheet 11, the real rock core sheet 12 and the lower glass sheet 13 stacked in sequence on the loading pad 14, as image 3 with Figure 4 shown;

[0040] Step 5: Place the upper glass sheet 11, the real rock core sheet 12, the lower glas...

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Abstract

The invention provides a manufacturing method for a visual full-closed real core model and a core model. The manufacturing method comprises the following steps: firstly, manufacturing a real core sheet (12); then placing an upper glass sheet (11), the real core sheet (12), a lower glass sheet (13) and a carrier backing plate (14) in a heating device to be heated until the upper glass sheet (11) and the lower glass sheet (13) are melted, so as to obtain the core model. According to the invention, the core model manufactured by adopting the manufacturing method for the visual full-closed real core model, can guarantee sealing, no leakage and no fracture under the condition of high-temperature and high-pressure oil pool, and has excellent light permeability.

Description

technical field [0001] The invention relates to the technical field of oil and gas field development experiments, in particular to a method for manufacturing a visualized fully enclosed real rock core model, and it is also a rock core model. Background technique [0002] Microscopic seepage experiment is an important experimental technique for mechanism research in the field of oil and gas field development, and its core content is to observe the seepage process of fluid in the microscopic model. [0003] In order to simulate the seepage conditions of high-temperature and high-pressure reservoirs, microscopic models are divided into internal models and external models. The inner model is the observation medium, and the most commonly used one is the glass model; the outer model provides a high-temperature and high-pressure environment for the inner model, and has a heating system and a pressure-resistant design. [0004] At present, the internal model is mainly a glass etchi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N13/04
Inventor 陈兴隆秦积舜李实张可俞宏伟李军姬泽敏
Owner PETROCHINA CO LTD