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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes

Abstract

Chapter from:
AAPG Memoir 67: Seals, Traps, and the Petroleum System, Edited by R. C. Surdam
(Publication Subject: Oil Methodology, Concepts)
AAPG Memoir 67: Seals, Traps, and the Petroleum System. Chapter 10: Capillary Seals Within the Eromanga Basin, Australia: Implications for Exploration and Production, by P.J. Boult P.N. Theologou, and J. Foden, Pages 143-167

Copyright © 1997 by The American Association of Petroleum Geologists. All rights reserved.

Chapter 10

Capillary Seals Within the Eromanga Basin, Australia: Implications for Exploration and Production

P.J. Boult
P.N. Theologou

Gartrell School of Mining Metallurgy and Applied Geology, University of South Australia Pooraka, South Australia, Australia

J. Foden

Department of Geology and Geophysics, Adelaide University Adelaide, South Australia, Australia

ABSTRACT

Studies of producing oil pools of the predominantly fluvial to shallow-lacustrine Eromanga Basin in central Australia indicate that capillary seals have a significant control on hydrocarbon occurrence and production. Oil pools sealed by the Callovian Birkhead Formation at the Bodalla South, Jackson, and Gidgealpa fields, and by the Berriasian Murta Formation at the Murteree Ridge fields, are filled to capillary seal capacity. Resultant upward leakage has taken place, filling oil pools higher up.

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