Quantitative analysis method for volatile components in liquid products of thermal-simulation hydrocarbon generation experiment

A technology of thermal simulation and hydrocarbon generation, which is applied in the field of oil and gas geochemistry, can solve the problems of poor repeatability of experimental results, loss of volatile components, and inapplicability of weighing methods, etc., to achieve true and reliable quantitative results of volatile components and excellent experimental environment. Effects with low requirements and good application prospects

Active Publication Date: 2014-02-19
PETROCHINA CO LTD
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Problems solved by technology

However, this method has high requirements on the experimental environment and operators. The volatile components are seriously lost during the oil-water separation process and the constant weight process. A small amount of water mixed with light hydrocarbons or a small amount of light hydrocarbons left in the water will cause great results. error, and the repeatability of the experimental results is poor
Use low boiling point organic solvents (such as dichloromethane) to collect oil-water mix

Method used

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  • Quantitative analysis method for volatile components in liquid products of thermal-simulation hydrocarbon generation experiment
  • Quantitative analysis method for volatile components in liquid products of thermal-simulation hydrocarbon generation experiment
  • Quantitative analysis method for volatile components in liquid products of thermal-simulation hydrocarbon generation experiment

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Example Embodiment

[0034] Example 1

[0035] This embodiment provides a quantitative analysis method of volatile components in the liquid product of a thermal simulation hydrocarbon generation experiment. Take a black mudstone sample from Well Da 11 in Songliao Basin for thermal simulation hydrocarbon generation experiment (the sample information is shown in Table 1), and the liquid product of the sample for thermal simulation hydrocarbon generation experiment is collected, processed, and analyzed according to the following steps And calculations to get quantitative results.

[0036] Table 1

[0037] Sampling location

[0038] The quantitative analysis method of volatile components in the liquid product of the thermal simulation hydrocarbon generation experiment of the present invention includes the following steps:

[0039] (1) Collection and treatment of liquid products in thermal simulation hydrocarbon generation experiment:

[0040] (1a) Connect the thermal simulation hydrocarbon generation exper...

Example Embodiment

[0062] Example 2

[0063] This embodiment provides a quantitative analysis method of volatile components in the liquid product of a thermal simulation hydrocarbon generation experiment. Take the same sample as in Example 1, and use the same method as Example 1 to carry out the thermal simulation hydrocarbon generation experiment. The volatile components in the liquid product of the thermal simulation hydrocarbon generation experiment are the same as in Example 1. The quantitative analysis method of the volatile components in the product is analyzed, and the quantitative result is obtained. The quantitative results of this example are compared with those of Example 1 to investigate the repeatability of the quantitative analysis method for volatile components in the liquid product of the thermal simulation hydrocarbon generation experiment of the present invention.

[0064] The data of S1, F1, S2, F2, C, C1, and C2 of this embodiment are shown in Table 3.

[0065] table 3

[0066] ...

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Abstract

The invention provides a quantitative analysis method for volatile components in liquid products of a thermal-simulation hydrocarbon generation experiment. The quantitative analysis method comprises the following steps of collecting and treating the liquid products of the thermal-simulation hydrocarbon generation experiment, specifically, collecting, removing water, removing slag and injecting a standard sample; quantitatively analyzing the volatile components in the liquid products of the thermal-simulation hydrocarbon generation experiment through a comprehensive two-dimensional gas chromatography-hydrogen flame ionization detector, specifically, carrying out primary comprehensive two-dimensional analysis, volatilizing to reach constant weight and secondary comprehensive two-dimensional analysis; calculating a quantification result of the volatile components in the liquid products of the thermal-simulation hydrocarbon generation experiment. The quantification result of the volatile components in the liquid products of the thermal-simulation hydrocarbon generation experiment, which is obtained by the quantitative analysis method disclosed by the invention, is real, reliable and high in repetitiveness, so that a reliable technical support is supplied to evaluation of an oil-gas resource amount.

Description

technical field [0001] The invention relates to a quantitative analysis method for volatile components in liquid products of thermal simulation hydrocarbon generation experiments, and belongs to the technical field of oil and gas geochemistry. Background technique [0002] The thermal simulation experiment of hydrocarbon generation is one of the important experimental means used by oil and gas geochemists to explore the mechanism of oil and gas generation and reproduce the oil generation process. The experiment is mainly based on the principle of kerogen thermal degradation into hydrocarbons and the time-temperature compensation principle of organic matter thermal evolution. In the laboratory, immature or low-mature organic matter is used to simulate pyrolysis and hydrocarbon generation in a short period of time under high temperature and pressure conditions to reproduce Low-temperature and long-term thermal evolution of organic matter in geological processes. The product o...

Claims

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Application Information

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IPC IPC(8): G01N30/88
Inventor 张水昌王汇彤翁娜张斌朱光有苏劲陈瑞银刘小江魏小芳
Owner PETROCHINA CO LTD
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