Quantitative calculation method of siliceous contents of different sources in siliceous rock

A quantitative calculation and siliceous rock technology, applied in the direction of measuring devices, test sample preparation, sampling, etc., to achieve the effect of simple process and high analysis efficiency

Pending Publication Date: 2021-03-19
德港(无锡)科技有限公司
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Problems solved by technology

Although there are geochemical parameter indicators (such as Fe/Ti content ratio) to determine whether rocks are affected by hydrothermal ...

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  • Quantitative calculation method of siliceous contents of different sources in siliceous rock
  • Quantitative calculation method of siliceous contents of different sources in siliceous rock

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Embodiment Construction

[0023] The following examples of the present invention are described in detail below. The following examples are implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the embodiment.

[0024] In a preferred embodiment, the inventor collected 81 samples of the Niutitang Formation at the bottom of the Cambrian system in the Yangtiao area of ​​Majiang, Guizhou, and the sample numbers are marked as M-1 to M-81. In order to more accurately quantitatively distinguish the content of silicon from different sources such as detrital silicon, hydrothermal silicon, and biological silicon in siliceous rock samples, the quantitative calculation method for silicon content from different sources in siliceous rocks of the present invention comprises the following steps:

[0025] Step 1. Sample preparation:...

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Abstract

The invention provides a quantitative calculation method of siliceous contents of different sources in siliceous rock in siliceous rock. The method is simple in process and high in analysis efficiency, can be used for accurately and quantitatively distinguishing the contents of silicon from different sources such as scrap silicon, hydrothermal silicon and biological silicon in a siliceous rock sample, and has important significance for researching the influence of siliceous minerals on shale gas generation.

Description

technical field [0001] The invention belongs to the field of geology, and in particular relates to a quantitative calculation method for siliceous content from different sources in siliceous rocks. Background technique [0002] Silica rock is a set of special lithology in geology, and also an important set of source rocks and shale gas reservoir rocks in petroleum geology. Two sets of siliceous shale formations in the Lower Paleozoic of the Sichuan Basin are important shale gas producing layers, and the siliceous content is positively correlated with TOC and gas content, implying that siliceous minerals are of great significance to the generation of shale gas in this area . However, the sources of silicon are complex, including biological sources (biosilicon), hydrothermal sources (hydrothermal silicon) and detrital sources (quartz). In the same sample, components from various sources are mixed. Although there are geochemical parameter indicators (such as Fe / Ti content ra...

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Application Information

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IPC IPC(8): G01N21/84G01N23/223G01N1/28G01N1/32G01N1/36
CPCG01N21/84G01N23/223G01N1/286G01N1/32G01N1/36G01N2001/2873
Inventor 谢小敏朱光有王志博文志刚
Owner 德港(无锡)科技有限公司
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