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Interactive mercury porosimetry capillary force curve virtual simulation test teaching system and operation method thereof

A virtual simulation and teaching system technology, applied in the field of interactive mercury injection capillary force curve virtual simulation test teaching system, can solve problems such as potential safety hazards, achieve the effect of expanding width and breadth, and solving toxic hazards

Active Publication Date: 2019-03-01
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the experimental medium used in the mercury porosimetry capillary force curve test is mercury, which is toxic. The mercury porosimetry capillary force curve test needs to be carried out in a safe, airtight and isolated professional laboratory environment, so there is a certain degree of safety in the teaching process. Hidden danger, due to factors such as the wettability of mercury and rock, there is no better experimental medium to replace mercury

Method used

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  • Interactive mercury porosimetry capillary force curve virtual simulation test teaching system and operation method thereof
  • Interactive mercury porosimetry capillary force curve virtual simulation test teaching system and operation method thereof
  • Interactive mercury porosimetry capillary force curve virtual simulation test teaching system and operation method thereof

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Embodiment 1

[0065] An interactive mercury injection capillary force curve virtual simulation test teaching system, such as figure 1 As shown, it includes a core chamber 2, a vacuum pumping device, a mercury injection or mercury ejection simulation device, a constant-speed pressure pump simulation device, and a computer 17;

[0066] The core chamber 2 is used to place the core 1 with known porosity and permeability parameters. The porosity and permeability parameters include number, porosity, permeability and diameter; the vacuum device is used to vacuum the core chamber 2; the mercury injection or mercury ejection simulation device is used In the step-up mercury injection simulation test or step-down mercury ejection simulation test, the mercury inlet pressure or mercury ejection pressure and mercury saturation data are obtained, and then the mercury inlet capillary force curve or the mercury ejection capillary force curve is drawn ( The complete mercury injection capillary force curve in...

Embodiment 3

[0088] A method for testing the high-pressure mercury intrusion capillary force curve by the virtual simulation test teaching system described in embodiment 1, comprising:

[0089] A, open computer 17, enter the numbering, porosity, permeability, diameter, length of rock core 1;

[0090] B. Loading core 1, vacuuming: put the core 1 with a diameter of 25 mm and a length of 20-30 mm into the core chamber 2, close the valve 7 of the core chamber, open the evacuation valve 3, close the vent valve 4, and turn on the vacuum pump 5 to evacuate for 15-20 minutes;

[0091] C. Simulated mercury filling: open the core chamber valve 7, open the mercury filling valve 8, adjust the height of the simulated mercury cup 9 so that the output of the differential pressure sensor 14 is 28.00-35.00 cm; close the evacuation valve 3, close the vacuum pump 5, and open the vent valve 4 , close the mercury filling valve 8;

[0092] D. Mercury injection and mercury removal experiments: close the liquid in...

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Abstract

The present invention relates to an interactive mercury porosimetry capillary force curve virtual simulation test teaching system and an operation method thereof. The system comprises a core chamber,a vacuum supply device, a mercury intrusion and evacuation simulation device, a constant speed press pump simulation device and a computer. Through the virtual simulation analog system and the interactive virtual simulation experiment operation, the routine mercury porosimetry capillary force curve simulation test, high-pressure mercury porosimetry capillary force curve simulation test and the constant speed mercury porosimetry capillary force curve test in the mercury-free and non-poisonous condition so as to solve the toxicity danger of a routine mercury injection apparatus in the experimentteaching, make up deficiencies of a routine method and extend the width and the breadth of the mercury porosimetry capillary force curve test teaching.

Description

technical field [0001] The invention relates to an interactive mercury injection capillary force curve virtual simulation test teaching system and an operation method thereof, belonging to the field of virtual simulation teaching of special physical properties of reservoir rocks. Background technique [0002] Due to the small pores of low-permeability and tight oil and gas reservoirs, the capillary force curve is an important basic data for the development and design of such reservoirs, especially for the calculation of oil and gas reserves in the transition zone of hundreds of meters. [0003] Capillary force curve test method and curve application are key and difficult points in reservoir physics courses. Commonly used capillary force curve measurement methods include semi-permeable diaphragm method, mercury injection method and centrifugation method. Since the mercury porosimetry test is the most convenient and direct, the most commonly used method in the teaching of petr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/00
CPCG09B25/00
Inventor 王建忠付帅帅鲍丙生张俨彬孙莲婷宋宪坤
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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