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Method and device for measuring chemical reaction and physical change of oil rock and water rock

A technology of chemical reaction and physical change, applied in the device based on this method, to measure the chemical reaction and physical change of oil-rock and water-rock, to achieve the effects of easy control, low cost, and easy pressurization conditions

Inactive Publication Date: 2015-12-23
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Abstract
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Problems solved by technology

However, there is currently no systematic indoor and outdoor test method to study the long-term stability of oil storage caverns in deep gypsum mines.

Method used

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  • Method and device for measuring chemical reaction and physical change of oil rock and water rock
  • Method and device for measuring chemical reaction and physical change of oil rock and water rock
  • Method and device for measuring chemical reaction and physical change of oil rock and water rock

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.

[0041] A method for measuring the chemical reaction and physical change of oil-rock and water-rock, characterized in that it is divided into three-scale tests, through three-scale tests of rock powder, rock block and rock mass from mesoscopic to macroscopic , to reveal the chemical reaction and physical change law of water, oil and anhydrite, and to evaluate the suitability of anhydrite ore for oil storage;

[0042] Such as figure 1 As shown, the device used to measure the chemical reaction and physical change of oil and rock powder and Φ25mm*50mm rock block / water and rock powder and Φ25mm*50mm rock block, including nitrogen cylinder, pressure gauge, pressure transmission head, data acquisition instrument , reaction vessel, high temperature and high pr...

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Abstract

The invention discloses a method for measuring chemical reaction and physical change of oil rock and water rock, which comprises tests of three scales, namely tests of rock powder, rock and rock mass from mesoscopic to macroscopic. The invention also discloses a device based on the method. The device comprises an argon bottle, a pressure gauge and two high-pressure cylinder barrels, wherein the argon bottle is simultaneously communicated with the two high-pressure cylinder barrels through a pipeline; the pressure gauge is connected with the argon bottle in a non-detachable way; gypsum rock samples are respectively immersed in the high-pressure cylinder barrels with water and crude oil. The method disclosed by the invention has the beneficial effects that the method can be used for disclosing the chemical reaction and the physical change rule of water, oil and anhydrite, and evaluating the suitability of storing the oil in anhydrite ores; by testing the mass variation of the anhydrite before and after the reaction, the corrosion rules of the anhydrite in the water and the oil are analyzed.

Description

technical field [0001] The invention relates to the technical field of underground cavern oil storage, in particular to a method for measuring the chemical reaction and physical change between oil rock and water rock, and also relates to a device based on the method. Background technique [0002] Petroleum is an important strategic resource related to the national economy and the people's livelihood. The traditional method of oil storage is to store oil on the surface in large steel tanks. Compared with above-ground oil depots, underground depots have the advantages of being safer, more environmentally friendly, saving land resources, and reducing project costs. At home and abroad, there have been a large number of applications and researches on underground oil depots including underground water-sealed caverns and deep salt rock caverns. The stability and sealing of caverns are the key factors determining the success or failure of underground oil and gas storage. No matter w...

Claims

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Application Information

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IPC IPC(8): G01N33/24
Inventor 张彬王汉勋付栋李俊彦彭振华
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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