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A rock-water-hydrocarbon simulation experiment method

A technology for simulating experiments and experiments, applied in the field of geochemical experiments, can solve problems such as ineffective analysis of correlation interaction mechanisms

Active Publication Date: 2021-08-31
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

[0005] The present invention provides a rock-water-hydrocarbon system aiming at the above-mentioned problems in the implementation of organic-inorganic thermal simulation that the correlation between organic and inorganic reactions and their interaction mechanism in the "rock-water-hydrocarbon" system have not been effectively analyzed. Hydrocarbon simulation experiment method, which can analyze the "rock-water-hydrocarbon" interaction characteristics and organic-inorganic dynamic evolution process in different types of reservoirs

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  • A rock-water-hydrocarbon simulation experiment method

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Embodiment Construction

[0047] In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.

[0048] The present invention discloses a rock-water-hydrocarbon simulation experiment method, the specific steps of which are:

[0049] S1. Sample preparation and pretreatment

[0050] S11. Sample preparation

[0051] Configure the ion concentration as C mol / L m i g of salt solution, prepare m' i g deionized water and M i g hydrocarbon samples; prepare mineral samples; prepare N silver bars with a length of 100 mm and a diameter of 3 mm as reaction carriers for mineral samples. In order to improve the accuracy of the experiment, the mineral sample is preferably a single mineral sample, specifically, a mineral is used as the sample, that is, the chemical composition of the mineral is sin...

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Abstract

The present invention relates to a rock-water-hydrocarbon simulation experiment method, the steps of which are: S1, sample preparation and pretreatment, configure a salt solution with an ion concentration of C mol / L, prepare mineral samples, deionized water and hydrocarbon samples; prepare N silver bars are used as the reaction carrier of the mineral sample; put the mineral sample into the silver bar to obtain the silver bar sample for the experiment; S2, carry out the indoor water-rock simulation experiment on the sample; S3, test the sample after the experiment, and detect the gas composition ; Detect gas isotopes; test liquid hydrocarbons; detect solution ion components; test mineral characteristics and mineral components; S4, analyze rock-water-hydrocarbon interactions. The present invention systematically analyzes the "rock-water-hydrocarbon" interaction characteristics and the organic-inorganic dynamic evolution process in different types of reservoirs, and is useful for solving the "rock-water-hydrocarbon" organic-inorganic interaction process in the reservoir after hydrocarbon charging It is of great significance to study the interaction mechanism.

Description

technical field [0001] The invention belongs to the technical field of geochemical experiments, and relates to a rock-water-hydrocarbon simulation technology in a reservoir after oil and gas accumulation, in particular to a rock-water-hydrocarbon simulation experiment method. Background technique [0002] During the burial process of petroleum-bearing basins, the existence of organic-inorganic reactions in source rocks and reservoirs and the various processes of hydrocarbon formation-storage-accumulation and reservoir preservation in the basin are hot and difficult issues in petroleum geology research. After the formation changed from the low-temperature early diagenesis stage to the high-temperature middle-late diagenesis stage and large-scale hydrocarbon generation and expulsion occurred, the “rock-water” system in the reservoirs of oil and gas basins gradually evolved into a “rock-water-hydrocarbon” system. The organic-inorganic reaction in the formation controls the rese...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
Inventor 远光辉操应长昝念民王艳忠刘可禹
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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