Velocity-saturation relation transition during rocks saturation: direct laboratory observation by computer tomography and ultrasonic technique

Maxim Lebedev; Boris Gurevich; Ben Clennell; Marina Pervukhina; Valeria Shulakova; Tobias Müller

doi:10.1071/ASEG2009ab025

ISSN: 2202-0586
E-ISSN:

oa Velocity-saturation relation transition during rocks saturation: direct laboratory observation by computer tomography and ultrasonic technique
Authors Maxim Lebedev^a, Boris Gurevich^b, Ben Clennell^c, Marina Pervukhina^d, Valeria Shulakova^e and Tobias Müller^f
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^a Curtin University of Technology, [email protected] ^b Curtin University of Technology and CSIRO Petroleum, [email protected] ^c CSIRO Petroleum, [email protected] ^d CSIRO Petroleum, [email protected] ^e CSIRO Petroleum, , [email protected] ^f CSIRO Petroleum, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2009, Issue ASEG2009 - 20th Geophysical Conference, Dec 2009, p. 1 - 6
DOI: https://doi.org/10.1071/ASEG2009ab025
- Published online: 01 Dec 2009

Abstract

Introduction

Maximising the recovery of known hydrocarbon reserves is one of the biggest challenges facing the petroleum industry today. Optimal production strategies require accurate monitoring of production-induced changes of reservoir saturation and pressure over the life of the field. Time-lapse seismic technology is increasingly used to map these changes in space and time. However until now, interpretation of time-lapse seismic data has been mostly qualitative. In order to allow accurate estimation of the saturation, it is necessary to know the quantitative relationship between fluid saturation and seismic characteristics (elastic moduli, velocity dispersion and attenuation). The problem of calculating acoustic properties of rocks saturated with a mixture of two fluids has attracted considerable interest (Gist, 1994; Mavko and Nolen-Hoeksema, 1994; Knight et al. 1998); for a comprehensive review of theoretical and experimental studies of the patchy saturation problem see Toms et al. (2006).

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References

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Article Type: Research Article

Keyword(s): 4D-monitoring; patchy saturation; poroelasticity; reservoir characterisation; rock properties

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