Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile

I. Vargas Cordero; U. Tinivella; F. Accaino; M. F. Loreto; F. Fanucci; C. J. Reichert

Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile

I. Vargas Cordero, U. Tinivella, F. Accaino, M. F. Loreto, F. Fanucci, C. J. Reichert

Facultad Ingeniería

Resultado de la investigación: Contribución a los tipos de informe/libro › Contribución a la conferencia › revisión exhaustiva

Resumen

We used a procedure already tested in order to characterize the gas hydrate and free gas reservoir along South Chile. We used the multichannel seismic data to obtain an accurate velocity model by using the Pre stack Depth Migration. The velocity model can be then extrapolated in terms of gas-phase concentrations. We recognized a high (2200 m/s) and low (1268 m/s) velocity layer associated to gas hydrate and free gas presence, respectively. The highest gas hydrates and free gas concentrations were detected offshore Coyhaique (at 44.5°S) with an average of 12% and 1% of total volume, respectively. By using the instantaneous amplitude, in particular using the BSR/seafloor ratio we conclude that the RC2901-728 section located northernmost (close to 36°S), also can be considered an interesting reservoir of gas hydrates and free gas because of the high estimated values of the BSR/seafloor ratio (>0.5).

Idioma original	Inglés
Título de la publicación alojada	71st European Association of Geoscientists and Engineers Conference and Exhibition 2009
Editorial	Society of Petroleum Engineers
Páginas	995-999
Número de páginas	5
Volumen	2
ISBN (versión impresa)	9781615672363
Estado	Publicada - 2009
Evento	71st European Association of Geoscientists and Engineers Conference and Exhibition 2009 - Amsterdam, Países Bajos Duración: 8 jun 2009 → 11 jun 2009

Otros

Otros	71st European Association of Geoscientists and Engineers Conference and Exhibition 2009
País	Países Bajos
Ciudad	Amsterdam
Período	8/06/09 → 11/06/09

Áreas temáticas de ASJC Scopus

Geoquímica y petrología
Ingeniería geotécnica y geológica
Geofísica

Huella Profundice en los temas de investigación de 'Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile'. En conjunto forman una huella única.

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title = "Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile",

abstract = "We used a procedure already tested in order to characterize the gas hydrate and free gas reservoir along South Chile. We used the multichannel seismic data to obtain an accurate velocity model by using the Pre stack Depth Migration. The velocity model can be then extrapolated in terms of gas-phase concentrations. We recognized a high (2200 m/s) and low (1268 m/s) velocity layer associated to gas hydrate and free gas presence, respectively. The highest gas hydrates and free gas concentrations were detected offshore Coyhaique (at 44.5°S) with an average of 12% and 1% of total volume, respectively. By using the instantaneous amplitude, in particular using the BSR/seafloor ratio we conclude that the RC2901-728 section located northernmost (close to 36°S), also can be considered an interesting reservoir of gas hydrates and free gas because of the high estimated values of the BSR/seafloor ratio (>0.5).",

author = "{Vargas Cordero}, I. and U. Tinivella and F. Accaino and Loreto, {M. F.} and F. Fanucci and Reichert, {C. J.}",

year = "2009",

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pages = "995--999",

booktitle = "71st European Association of Geoscientists and Engineers Conference and Exhibition 2009",

publisher = "Society of Petroleum Engineers",

note = "71st European Association of Geoscientists and Engineers Conference and Exhibition 2009 ; Conference date: 08-06-2009 Through 11-06-2009",

}

Vargas Cordero, I, Tinivella, U, Accaino, F, Loreto, MF, Fanucci, F & Reichert, CJ 2009, Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile. En 71st European Association of Geoscientists and Engineers Conference and Exhibition 2009. vol. 2, Society of Petroleum Engineers, pp. 995-999, 71st European Association of Geoscientists and Engineers Conference and Exhibition 2009, Amsterdam, Países Bajos, 8/06/09.

Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile. / Vargas Cordero, I.; Tinivella, U.; Accaino, F.; Loreto, M. F.; Fanucci, F.; Reichert, C. J.

71st European Association of Geoscientists and Engineers Conference and Exhibition 2009. Vol. 2 Society of Petroleum Engineers, 2009. p. 995-999.

Resultado de la investigación: Contribución a los tipos de informe/libro › Contribución a la conferencia › revisión exhaustiva

TY - GEN

T1 - Characteristic of gas hydrates reservoir from seismic analysis of multichannel seismic profiles offshore South Chile

AU - Vargas Cordero, I.

AU - Tinivella, U.

AU - Accaino, F.

AU - Loreto, M. F.

AU - Fanucci, F.

AU - Reichert, C. J.

PY - 2009

Y1 - 2009

N2 - We used a procedure already tested in order to characterize the gas hydrate and free gas reservoir along South Chile. We used the multichannel seismic data to obtain an accurate velocity model by using the Pre stack Depth Migration. The velocity model can be then extrapolated in terms of gas-phase concentrations. We recognized a high (2200 m/s) and low (1268 m/s) velocity layer associated to gas hydrate and free gas presence, respectively. The highest gas hydrates and free gas concentrations were detected offshore Coyhaique (at 44.5°S) with an average of 12% and 1% of total volume, respectively. By using the instantaneous amplitude, in particular using the BSR/seafloor ratio we conclude that the RC2901-728 section located northernmost (close to 36°S), also can be considered an interesting reservoir of gas hydrates and free gas because of the high estimated values of the BSR/seafloor ratio (>0.5).

AB - We used a procedure already tested in order to characterize the gas hydrate and free gas reservoir along South Chile. We used the multichannel seismic data to obtain an accurate velocity model by using the Pre stack Depth Migration. The velocity model can be then extrapolated in terms of gas-phase concentrations. We recognized a high (2200 m/s) and low (1268 m/s) velocity layer associated to gas hydrate and free gas presence, respectively. The highest gas hydrates and free gas concentrations were detected offshore Coyhaique (at 44.5°S) with an average of 12% and 1% of total volume, respectively. By using the instantaneous amplitude, in particular using the BSR/seafloor ratio we conclude that the RC2901-728 section located northernmost (close to 36°S), also can be considered an interesting reservoir of gas hydrates and free gas because of the high estimated values of the BSR/seafloor ratio (>0.5).

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