On-line greenhouse gas detection from soils and rock formations

Several on-site studies have been conducted on rock formations and soils where gases were collected into boreholes. The equipment consisted of packers isolating a chamber for gas collection. A pump allows gas transfer towards FT-IR sensors located at the surface. Such analytical approach shows sever...

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Bibliographic Details
Published in:Energy procedia 2009-02, Vol.1 (1), p.2375-2382
Main Authors: Pironon, J., de Donato, Ph, Barrés, O., Garnier, Ch, Cailteau, C., Vinsot, A., Radilla, G.
Format: Article
Language:English
Subjects:
Applied geology
Atmosphere
Borehole
Caprock
CH4
CO2
Earth Sciences
FT-IR spectroscopy
Geochemistry
Mineralogy
On-line monitoring
Partial pressure
Petrography
Sciences of the Universe
Soil
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Summary:Several on-site studies have been conducted on rock formations and soils where gases were collected into boreholes. The equipment consisted of packers isolating a chamber for gas collection. A pump allows gas transfer towards FT-IR sensors located at the surface. Such analytical approach shows several advantages for gas monitoring in boreholes: it allows variation detection with time of the partial pressure of gases; detection and evolution with time of the concentration of annex gases or markers; application to the injection and post-injection periods to determine possible deviations from a previously recorded baseline; and possible use of several boreholes in networks.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2009.01.309