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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, applied in the manufacturing field of rock core model and visualized fully enclosed real rock core model, achieving the effect of simple equipment requirements and ensuring light permeability

Active Publication Date: 2015-07-08
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 visual fully enclosed real core model of the present invention will be described in detail below in conjunction with the accompanying drawings. The manufacturing method of the visual fully enclosed real core model includes the following steps:

[0036] Step 1: Bond the core piece 1, the basic core piece 2 and the base material 3 stacked in sequence, such as figure 1 with figure 2 Said

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

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

[0039] Step 4: Place the upper glass sheet 11, the real core sheet 12, and the lower glass sheet 13 stacked in sequence on the carrier plate 14, such as image 3 with Figure 4 Shown

[0040] Step 5: Place the upper glass sheet 11, the real core sheet 12, the lower glass sheet 13 and the carrier plate 14 in a heating device to heat the upper g...

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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 visual fully enclosed real core model, which is also a 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. 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, the microscopic model is divided into an internal model and an external model. The inner model is the observation medium, and the most commonly used is the glass model; the outer model provides a high temperature and high pressure environment for the inner model, with a heating system and a pressure-resistant design. [0004] At present, the inner model is mainly a glass etching model, and there are various ...

Claims

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Application Information

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Patent Type & Authority Patents(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