Study of gas tracers for CO2 monitoring

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Melo, Clarissa LovatoPUCRS Pontificia Univ Catilica Rio Grande Sul, Brazil (author)

Study of gas tracers for CO2 monitoring

Article/chapterEnglish2014

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Elsevier,2014
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LIBRIS-ID:oai:DiVA.org:lnu-75751
https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-75751URI
https://doi.org/10.1016/j.egypro.2014.11.416DOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:kon swepub-publicationtype

Notes

Gas tracers have been tested libr monitoring and detecting CO, displacement in the underground and eventually leakages to the upper layers in geological storage sites. Commonly used tracers are perfluorocarbons (PFCs) and sulfur hexafluoride (SF6). In Brazil, we are canying out gas tracers studies in laboratory for further application in field test 'facilities. These experiments consist of injecting CO, with perfluorocarbon (perfluoropropane PP and pealuormethylcyclopentane PMCP) at low pressure (ca. 290 psi) in pressurized vessels with different types of sediments and soil samples. After flowing through the sample pores, the tracer is adsorbed into a capillary adsorption tube (CAT) with a specific fiber for perfluorcabon. Then, the tracer is extracted from the CAT through a Thermal Desorption System and subsequently analyzed in a Gas Chromatograph with an Electron Capture Detector (GC ECD). The objective of these experiments is to evaluate the PFCs as a monitoring tool; analyzing the tracer retention times in different sediments, as well as understanding the CATs adsorption capacity and performance. After laboratory tests, field experiments will be conducted in the course of this project. Several experiments of CO2 injection and controlled leaks will be developed in shallow vertical wells at the project site as a continuity of the experiments started at Ressacada Fann Site (Florianopolis, Brazil). The project aim is to understand the flow and dispersion of CO2 in soil and atmosphere simulating an eventual leakage from a geological reservoir using an automated system with a dedicated module for tracers injection into CO2 stream. (C) 2015 Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creavativecommons.org/licesses/by-nc-nd/3.0/). Peer-review under responsibility of the Organizing Committee of GLIGT-12

Subject headings and genre

NATURVETENSKAP Geovetenskap och miljövetenskap hsv//swe
NATURAL SCIENCES Earth and Related Environmental Sciences hsv//eng
Gas tracers
perfluorcarbon
CO2
monitoring
Miljövetenskap
Environmental Science

Added entries (persons, corporate bodies, meetings, titles ...)

Bressan, Lia WeigertPUCRS Pontificia Univ Catilica Rio Grande Sul, Brazil (author)
Ketzer, João MarceloPUCRS Pontificia Univ Catilica Rio Grande Sul, Brazil(Swepub:lnu)makeab (author)
Constant, Marcelo JardimPUCRS Pontificia Univ Catilica Rio Grande Sul, Brazil (author)
de Castro Araujo Moreira, Andrea CristinaPETROBRAS Petroleo Brasileiro SA CENPES, Brazil;UERJ Univ Estado Rio de Janeiro PPGMA, Brazil (author)
PUCRS Pontificia Univ Catilica Rio Grande Sul, BrazilPETROBRAS Petroleo Brasileiro SA CENPES, Brazil;UERJ Univ Estado Rio de Janeiro PPGMA, Brazil (creator_code:org_t)

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In:12th International Conference on Greenhouse Gas Control Technologies, GHGT-12: Elsevier, s. 3864-3868

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