Method and device of testing mercury isotope in oil gas source

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

Active Publication Date: 2019-01-22
PETROCHINA CO LTD
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  • 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 of testing mercury isotope in oil gas source
  • Method and device of testing mercury isotope in oil gas source
  • Method and device of testing mercury isotope in oil gas source

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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 a device of testing a mercury isotope in an oil gas source. The device comprises at least a set of enrichment absorption system (1) of mercury in crude oil/ hydrocarbon source rocks, an enrichment absorption system (2) of mercury in natural gas and at least a set of secondary purification enrichment system (3) of mercury; the enrichment absorption system (1) ofmercury in crude oil/ hydrocarbon source rocks comprises three air absorption flasks, a pyrolysis/cracking system (12), five hitting flasks and a vacuum pump (14), which are connected sequentially inseries by using pipelines; the enrichment absorption system (2) of mercury in natural gas comprises five sequentially connected hitting flasks; the first hitting flask is connected with the natural gas outlet of the natural gas well; and the last hitting flask is connected with a gas accumulated 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 Applications(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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