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A method for making a dual-pore physical model and the dual-pore physical model

A technology of physical model and production method, applied in teaching models, educational appliances, instruments, etc., can solve the problem of no dual-porosity physical model, etc.

Active Publication Date: 2016-06-01
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the technical problem that there is no dual-pore physical model in the prior art

Method used

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  • A method for making a dual-pore physical model and the dual-pore physical model
  • A method for making a dual-pore physical model and the dual-pore physical model
  • A method for making a dual-pore physical model and the dual-pore physical model

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Embodiment Construction

[0025] The method for making the dual-porosity physical model of the present invention will be further described in detail below in conjunction with the accompanying drawings. The making method of described dual-pore physical model comprises the following steps:

[0026] Step 1: Determine the crack density ε in the model 1, the diameter of cracks, the total number of cracks, the number of crack layers, the number of cracks in each crack layer, the total number of layers of the mixture layer of sand grains and resin, and the total number of cracks in the model. volume and the volume of each sand-resin mixture layer;

[0027] In the present embodiment, make 9 (7mm * 7mm * 6mm) dual-pore physical models (the data of the 1st, 2nd, 7th, and 8th columns in Table 1 are as required) of the model number 1 to 9 listed in Table 1 set or calculated in advance), the crack density ε of different models is shown in Table 1, the diameter of the crack mainly depends on the diameter of the met...

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Abstract

The invention provides a manufacturing method of a dual-pore physical model and the dual-pore physical model. According to the manufacturing method of the dual-pore physical model, quartz sand and thin and round sheet metal are mainly used for simulating pores and cracks, and solidified epoxy resin is used for simulating contained mud in sandstone. The porosity and the crack density of the dual-pore physical model manufactured through the method are close to the porosity and the crack density of actual rock, and therefore experimental study is facilitated.

Description

technical field [0001] The invention relates to the geophysical research field of oil and gas exploration and development, in particular to a method for making a double-pore physical model and the double-pore physical model made by the manufacturing method. Background technique [0002] Dual-porosity medium refers to the medium with both pores and fractures in the porous medium, and this type of rock is often encountered in oil and gas reservoirs. Because fractures generally appear in directional arrangement, their geophysical characteristics are obviously different from those in non-directional arrangement. They can be identified by specific methods in seismic exploration, which attracts the attention of geophysicists. However, in the actual dual-porous media, the quantitative description of parameters such as fracture shape is limited to a certain extent. The corresponding relationship between fractured media and fracture parameters can be obtained through the simulation o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/40
Inventor 狄帮让魏建新
Owner BC P INC CHINA NAT PETROLEUM CORP
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