Integrating 3D seismic data and hydraulic units to improve reservoir property models

Mohammad Emami Niri; David E. Lumley

doi:10.1071/ASEG2015ab162

24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery

ISSN: 2202-0586
E-ISSN:

oa Integrating 3D seismic data and hydraulic units to improve reservoir property models
Authors Mohammad Emami Niri^a and David E. Lumley^b
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^a University of Western AustraliaSchool of Earth and Environment, M004, 35 Stirling Hwy, Crawley, , WA, 6009, [email protected] ^b University of Western AustraliaSchool of Physics, School of Earth and Environment, M004, 35 Stirling Hwy, Crawley, , WA, 6009, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2015, Issue 24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery, Dec 2015, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2015ab162
- Published online: 01 Dec 2015

Abstract

We present a new method for reservoir property modeling based on integration of 3D seismic data and hydraulic flow units, and apply it to an example of a producing reservoir offshore Western Australia. Our method combines hydraulic unit analysis with a set of techniques for seismic reservoir characterization including: rock physics analysis, Bayesian inference, pre-stack seismic inversion and geostatistical simulation of reservoir properties.

Hydraulic units characterize regions and properties of fluid flow in porous permeable media, and are defined at well locations. However, usually the number of wells and their lateral coverage is extremely limited. In contrast, the lateral resolution of 3D seismic data is excellent, and this can be used to extend hydraulic unit analysis away from well locations into the 3D reservoir volume. We develop a probabilistic relationship between each of the hydraulic units defined at well locations, and the 3D seismic information. Reservoir models jointly constrained by 3D seismic and hydraulic unit analysis can therefore be useful to improve the production history matching process.

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2015-12-01

2026-01-17

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References

Amaefule, J., Altunbay, M., Tiab, D., Kersey, D. and Keelan, D, 1993, Enhanced reservoir description: using core and log data to identify hydraulic (flow) units and predict permeability in uncored intervals/wells. SPE Annual Technical Conference and Exhibition.
Duda, R. O., Hart, P. E. and Stork, D. G., 2000, Pattern classification. John Wiley & Sons.
Emami Niri, M. & Misaghi, A., 2009, Seismic Velocity-Reservoir Permeability Relations within Hydraulic Units in an Oil Field Southwest Iran. 1st International Petroleum Conference and Exhibition.
Ementon, N., Hill R., Flynn M., Motta B., and Sinclair S., 2004, Stybarrow oil Field-From Seismic to Production, The Integrated History So Far. Paper SPE 88574 presented at SPE Asia Pacific Oil and Gas Conference and Exhibition, Perth, Australia, 18-20 October.
Hill, R., O’Halloran G., Napalowski R., Wanigarantne B., Elliott A., and Jackson M., 2008, Development of the Stybarrow Field, Western Australia. Paper SPE 115373 presented at SPE Asia Pacific Oil and Gas Conference and Exhibition, Perth, Australia, 20-22 October.
Prasad, M., 2003, Velocity-permeability relations within hydraulic units. Geophysics, 68 (1), 108-117.

/content/journals/10.1071/ASEG2015ab162

Article Type: Research Article

Keyword(s): 3D seismic; hydraulic units; Reservoir models; rock physics analysis; seismic inversion

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