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Seismic and Geologic Facies Analysis in Field Development, Mackerel Field, Gippsland Basin, Australia1

By
A. J. Mebberson
A. J. Mebberson
2
Esso Australia, Ltd., Sydney, 2001 Australia.
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D. J. Morton
D. J. Morton
2
Esso Australia, Ltd., Sydney, 2001 Australia.
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Published:
January 01, 1981

Abstract

The Esso-Hematite Mackerel oil field, located in the Gippsland basin, Australia, is in a high-quality Paleocene sandstone section and has been delineated by four exploration wells.

A pre-development structural and stratigraphic model of the field was constructed from detailed analysis of high-quality seismic data. Although very little lithologic and log-character contrast could be seen in the four wells, seismic-data quality was sufficient to break out 11 discrete depositional units, each with an apparent progradational character. The boundaries of these seismic units were then tied back into minor variations in log and core-lithology characteristics, providing depth control for the model.

It was possible, therefore, to construct a detailed geologic picture, with emphasis on the vertical and lateral extent of facies distribution, petrographic character, and reservoir properties, in a reservoir which initially appeared to be massive and homogenous, and generally ambiguous in its stratigraphic position in the depositional framework of the surrounding area.

Development well results have provided feedback to the model, which is being continuously updated.

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Contents

AAPG Studies in Geology

Energy Resources of the Pacific Region

Michel T. Halbouty
Michel T. Halbouty
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American Association of Petroleum Geologists
Volume
12
ISBN electronic:
9781629811802
Publication date:
January 01, 1981

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