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Vertical and lateral variation of gas content associated with coal seams

Molina, Jorge M. and Blandón, Astrid and Caro, Luis D. (2015) Vertical and lateral variation of gas content associated with coal seams. Boletín de Ciencias de la Tierra (38). pp. 49-59. ISSN 2357-3740

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Resumen

Vertical and lateral gas content variation associated within a coal seam and its relation to porosity and geology was researched. Several seams of high sub-bituminous and bituminous coal volatile C from Amaga formation were selected. Channel samples were taken and were subdivided into the different plies (lithotypes associations), performing proximal analysis; Petrographic (maceral counting and determining the vitrinite reflectance); furthermore desorption testing and porosity. The higher gas content was in intermediate plies. It was possible to identify that the gas content, and micropores and mesopores has a direct relationship; also, there is a direct relationship between the content of liptinites macerals and gas content. In some cases, these relationships were not clear, since there is influence of geological factors such as the presence of faults favor migration and degassing of the mantles studied.

Tipo de documento:Artículo - Article
Palabras clave:Coal seam, ply, coal bed methane, vertical and lateral variation.
Temática:5 Ciencias naturales y matemáticas / Science > 55 Ciencias de la tierra / Earth sciences & geology
Unidad administrativa:Revistas electrónicas UN > Boletín Ciencias de la Tierra
Código ID:60669
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :28 Noviembre 2017 19:36
Ultima modificación:28 Noviembre 2017 19:36
Ultima modificación:28 Noviembre 2017 19:36
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