Oil and gas prospecting by ultra-sensitive optical gas detection with inverse gas dispersion modelling

Hirst, B., Gibson, G. , Gillespie, S., Archibald, I., Podlaha, O., Skeldon, K. D., Courtial, J. , Monk, S. and Padgett, M. (2004) Oil and gas prospecting by ultra-sensitive optical gas detection with inverse gas dispersion modelling. Geophysical Research Letters, 31(12), art L12115. (doi: 10.1029/2004GL019678)

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Publisher's URL: http://dx.doi.org/10.1029/2004GL019678

Abstract

We report a new oil and gas prospecting technique based on measurements of sub-part-per-billion ethane concentration in the atmosphere and local wind data. The sensitivity of our sensor enables detection, from a range of several km, of the naturally occurring ethane seepages that accompany hydrocarbon reservoirs. Using the concentration and wind data, the gas dispersion process is inverted to provide maps of surface ethane flux over several hundred km<sup>2</sup>. Within a desert environment, we demonstrate the technique is capable of locating a controlled release and corresponds with the results from a geochemical soil sampling survey conducted over the same oil field.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gibson, Dr Graham and Courtial, Dr Johannes and Skeldon, Dr Kenneth and Padgett, Professor Miles
Authors: Hirst, B., Gibson, G., Gillespie, S., Archibald, I., Podlaha, O., Skeldon, K. D., Courtial, J., Monk, S., and Padgett, M.
Subjects:T Technology > TN Mining engineering. Metallurgy
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Geophysical Research Letters
Journal Abbr.:Geophys. Res. Lett.
Publisher:The American Geophysical Union
ISSN:0094-8276
ISSN (Online):1944-8007
Published Online:30 June 2004

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