Effects of pore structure on 4D seismic signals in carbonate reservoirs

Y. F. Sun; K. Berteussen; S. Vega; G. P. Eberli; G. T. Baechle; R. J. Weger; J. L. Massaferro; G. L. Bracco Gartner; P. D. Wagner

doi:10.1190/1.2370208

Effects of pore structure on 4D seismic signals in carbonate reservoirs

Y. F. Sun, K. Berteussen, S. Vega, G. P. Eberli, G. T. Baechle, R. J. Weger, J. L. Massaferro, G. L. Bracco Gartner, P. D. Wagner

Marine Geosciences

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Carbonate reservoir rocks of different pore structure have quite distinct and detectable 4D seismic signatures. Using three defined pore structure types (PST), these seismic signatures are correlated with the permeability patterns of carbonate rocks. In both the high-permeability PST3 and intermediate-permeability PST2 regions, gas injection is preferred than water injection for effective 4D seismic monitoring. In the low-permeability PST1 region where lies most of the bypassed oil, both gas and water injection options result in similar 4D seismic signal magnitude. Fluid saturation changes under in-situ reservoir conditions can be better detected by offset domain 4D seismic analysis.

Original language	English (US)
Pages (from-to)	3260-3264
Number of pages	5
Journal	SEG Technical Program Expanded Abstracts
Volume	25
Issue number	1
DOIs	https://doi.org/10.1190/1.2370208
State	Published - Jan 2006

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Geophysics

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AU - Sun, Y. F.

AU - Berteussen, K.

AU - Vega, S.

AU - Eberli, G. P.

AU - Baechle, G. T.

AU - Weger, R. J.

AU - Massaferro, J. L.

AU - Bracco Gartner, G. L.

AU - Wagner, P. D.

PY - 2006/1

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AB - Carbonate reservoir rocks of different pore structure have quite distinct and detectable 4D seismic signatures. Using three defined pore structure types (PST), these seismic signatures are correlated with the permeability patterns of carbonate rocks. In both the high-permeability PST3 and intermediate-permeability PST2 regions, gas injection is preferred than water injection for effective 4D seismic monitoring. In the low-permeability PST1 region where lies most of the bypassed oil, both gas and water injection options result in similar 4D seismic signal magnitude. Fluid saturation changes under in-situ reservoir conditions can be better detected by offset domain 4D seismic analysis.

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Effects of pore structure on 4D seismic signals in carbonate reservoirs

Abstract

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