Method and device for detecting mercury isotope in oil and gas sources

A mercury isotope and detection device technology, applied in the field of oil and gas exploration

Active Publication Date: 2021-05-28
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in some complex areas, such as the Tarim Basin, whether the oil and gas come from the Cambrian or the Ordovician has always been controversial

Method used

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  • Method and device for detecting mercury isotope in oil and gas sources
  • Method and device for detecting mercury isotope in oil and gas sources
  • Method and device for detecting mercury isotope in oil and gas sources

Examples

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Embodiment 1

[0062] An oil and gas source mercury isotope detection device, said device comprising: two sets of enrichment and absorption systems 1 for mercury in crude oil / hydrocarbon source rocks (such as figure 1 shown), a set of mercury enrichment and absorption system 2 in natural gas (such as figure 2 shown) and three sets of secondary purification and enrichment systems 3 for mercury (such as image 3 shown); the two sets of enrichment and absorption systems for mercury in crude oil / source rocks are respectively the enrichment and absorption system for mercury in crude oil and the enrichment and absorption system for mercury in source rocks Absorbed mercury enrichment and absorption system in source rocks; three sets of mercury secondary purification and enrichment systems are the secondary purification and enrichment system for mercury in crude oil, the secondary purification and enrichment system for mercury in crude oil, A secondary purification and enrichment system for mercur...

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Abstract

The invention provides a method and device for detecting mercury isotopes in oil and gas sources. The device comprises: an enrichment and absorption system (1) for mercury in crude oil / hydrocarbon source rocks, an enrichment and absorption system (2) for mercury in natural gas and a secondary purification and enrichment system (3) for mercury; the crude oil / hydrocarbon The enrichment and absorption system (1) of mercury in the source rock and the secondary purification and enrichment system (3) of mercury are each independently at least one set; the enrichment and absorption system (1) of mercury in the crude oil / hydrocarbon source rock Including three air absorption bottles, heat / cracking system (12), five impact bottles, and vacuum pumps (14) connected in series with pipelines; the enrichment absorption system (2) of mercury in the natural gas includes five sequentially connected The impact bottle, wherein the first impact bottle is connected with the natural gas outlet of the natural gas well, and the last impact bottle is connected with the gas cumulative flow meter (26).

Description

technical field [0001] The invention relates to the technical field of oil and gas exploration, in particular, the invention relates to a method and device for detecting mercury isotopes of oil and gas sources. Background technique [0002] Organic geochemistry research mainly focuses on the composition, structure, origin and evolution of organic matter in geological bodies. In the field of oil and gas exploration, especially the genesis of oil and gas and the correlation of oil sources are very important, which are related to the evaluation of exploration targets, the selection of well locations, and the scale of oil and gas reservoirs. and distribution laws, etc., therefore, are highly valued. The conventional method is to use biological markers, carbon isotopes and other indicators to determine the origin and source of oil and gas, which have been successfully used in most areas or oil and gas fields. However, in some complex areas, such as the Tarim Basin, whether the o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/64G01N27/62G01N1/28G01N1/34G01N1/44
CPCG01N1/28G01N1/34G01N1/44G01N21/6404G01N27/62G01N33/0045G01N33/2835G01N33/225
Inventor 朱光有汤顺林
Owner PETROCHINA CO LTD
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