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Device and method for extracting gaseous hydrocarbon hydrogen isotope composition in mineral inclusion

A hydrogen isotope and extraction device technology, applied in the direction of measuring devices, analyzing gas mixtures, gas analyzers, etc., can solve the problems of low sample preparation efficiency, reduce scientific research costs, reduce the workload of beneficiation, and reduce the amount of samples Effect

Pending Publication Date: 2021-03-23
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0004] The purpose of the present invention is to provide a burst extraction and conversion device for gaseous hydrocarbons in mineral inclusions in an online continuous flow state and an analysis method for its hydrogen isotope composition, so as to solve the problems of low efficiency of off-line pretreatment sample preparation and isotope fractionation, and improve isotope data. accuracy and testing efficiency

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  • Device and method for extracting gaseous hydrocarbon hydrogen isotope composition in mineral inclusion

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Embodiment Construction

[0064] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0065] Such as figure 1 As shown, an online continuous flow analysis and extraction device for gaseous hydrocarbon hydrogen isotope composition in mineral inclusions in this embodiment includes a first helium gas inlet 1, a second helium gas inlet 6, a third helium gas inlet Air inlet 8, fourth helium gas inlet 20, first water well 2, second water well 7, third water well 13, fourth water well 19, sampling column head 3, first temperature-controlled heating box 4 , the second temperature-controlled heating box 17, the first six-way valve 5, the second six-way valve 16, the first quick connector 9, the second quick connector 12, the quartz reaction tube 10, the first temperature-controlled heating furnace 11, the second Temperature-controlled heating furnace 15, copper oxide reaction tube 14, single-opening quartz tube 18, water sample collect...

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Abstract

The invention belongs to the technical field of determination of gaseous hydrocarbon hydrogen isotope composition in a mineral inclusion, and particularly discloses a device and a method for extracting gaseous hydrocarbon hydrogen isotope composition in a mineral inclusion. According to each path of helium, a water trap filled with magnesium perchlorate is used for absorbing and drying trace waterpossibly existing in the helium, so that the influence of the trace water in carrier gas on a gaseous hydrocarbon hydrogen isotope composition test result is avoided. On-line continuous flow mode isadopted, and a mineral inclusion bursting device, a methane oxidation and product water collection device and a stable isotope mass spectrometer are connected; online heating burst of minerals in a helium flow environment, online oxidation of methane, online collection of oxidation product water and electric heating release of water enter a stable isotope mass spectrometer to be tested, and compared with a traditional offline method, the sample amount is greatly reduced, so that the beneficiation workload and the scientific research cost are effectively reduced, and the scientific research efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of hydrogen isotope composition determination of gaseous hydrocarbons in mineral inclusions, and in particular relates to an online continuous flow burst extraction device for gaseous hydrocarbons in mineral inclusions and a hydrogen isotope composition analysis method. Background technique [0002] The liquid phase and gas phase components in mineral inclusions are the media that are captured during the mineralization process and participate in the mineralization process. The research on the gaseous hydrocarbon hydrogen isotope composition in the inclusions can be widely used in the genesis of natural gas reservoirs, Oil and gas source tracing, depositional environment, accumulation evolution and oil and gas formation stages, etc. Among the existing technologies, it is generally to directly convert all hydrogen-containing substances in mineral inclusions into water, and then react with metals to generate hy...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G01N1/34G01N30/02G01N30/72
CPCG01N33/0022G01N33/004G01N1/34G01N30/02G01N30/72
Inventor 金贵善刘汉彬张建锋韩娟李军杰张佳石晓姜华
Owner BEIJING RES INST OF URANIUM GEOLOGY
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