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Full-automatic pretreatment system and method for oil inclusion group component analysis

A component analysis and inclusion technology, applied in various machinery and engineering fields, can solve the problems of low oil content of inclusions, laborious, high processing requirements, etc.

Pending Publication Date: 2018-12-18
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the inclusions are small and the oil content in the inclusions is very low, it must be completely undetectable when dealing with the external organic matter of minerals, otherwise it may affect the analysis of the inclusion composition
Therefore, the requirements for pre-treatment are extremely high, which leads to the fact that sometimes a sample has to be processed multiple times, and sometimes it cannot meet the standard.
The traditional pretreatment process can be said to be time-consuming, laborious and dangerous

Method used

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  • Full-automatic pretreatment system and method for oil inclusion group component analysis
  • Full-automatic pretreatment system and method for oil inclusion group component analysis

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Embodiment Construction

[0032] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] Please refer to figure 1 , the embodiment of the present invention discloses a fully automatic pretreatment system for oil inclusion population component analysis, including an automatic liquid adding device 100, a sample reaction device 200 and a waste liquid collection device 300;

[0034] The automatic liquid addition device 100 includes a general liquid inlet valve 1, a first liquid addition branch for outputting dichloromethane solution, a second injection branch for outputting dilute hydrochloric acid, and a parallel connection with the general liquid inlet valve 1. liquid branch, the third liquid addition branch for outputting chromic acid, the fourth liquid addition branch for outputting hydrogen peroxide and the fifth liquid addition bran...

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Abstract

The invention relates to a full-automatic pretreatment system and method for oil inclusion group component analysis, comprising the following steps: putting selected sandstone particles containing a certain amount of oil inclusions into a sample chamber of a temperature controllable ultrasonic cleaning machine, extracting hydrocarbon adsorbed outside the sandstone particles by adding dichloromethane, removing carbonate and feldspar particles in the sandstone particles by adding diluted hydrochloric acid, removing organic matters in clay minerals by adding hydrogen peroxide and oxidizing organic matters on the surfaces of the minerals by adding chromic acid, finally extracting again by adopting the dichloromethane, and performing chromatography-mass spectrometry detection on extract until hydrocarbon can not be detected in the extract, thus group component analysis pretreatment can be effectively performed on the sandstone particles containing the oil inclusions, the organic matters outside the minerals can be completely removed, the organic matters can not be detected subsequently, an effect that oil components released by breaking mineral particles are from the oil inclusions included in the minerals is guaranteed, and subsequent oil inclusion group component analysis is facilitated.

Description

technical field [0001] The present invention relates to various mechanical and engineering technical fields, including but not limited to automobile machinery, textile machinery, agricultural machinery, engineering machinery, construction machinery, construction engineering and other fields, and specifically relates to a fully automatic pretreatment system for oil inclusion group composition analysis . Background technique [0002] Oil inclusion composition analysis has long been applied to the study of oil and gas accumulation. By obtaining the molecular composition of group oil inclusions in rock samples, it is possible to directly study the composition, thermal maturity, and whether they have undergone secondary reformation of ancient oil. Therefore, the composition analysis of oil inclusion groups is very important in the study of oil and gas accumulation. [0003] The most important step in the analysis of oil inclusion population components is sample pretreatment. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/34G01N1/28B08B3/04B08B3/12B08B3/08
CPCG01N1/28G01N1/34B08B3/04B08B3/08B08B3/12
Inventor 平宏伟
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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