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Ahead of Print Abstract
AAPG Bulletin, Preliminary version published online
Copyright © 2026. The American Association of Petroleum Geologists. All rights reserved.
DOI:10.1306/01092623097
Paleokarst reservoir architecture derived from forward modelling of modern cave systems - A case study
Bjarte Lønøy12 , Christos Pennos23 , Jan Tveranger1 , Ilias Fikos4 , George Vargemezis4 , and Stein-Erik Lauritzen2
1 NORCE – Norwegian Research Centre AS
2 University of Bergen, Department of Earth Science
3 Aristotle University of Thessaloniki, Department of Physical Geography
4 Aristotle University of Thessaloniki, Department of Geophysics
Ahead of Print Abstract
geometric
modelling and subsequent geocellular rendering. Inherent clastic sediments are discretized by horizon mapping and geometric modelling using electrical resistivity data as input. The volumetric and geometric accuracy of the reservoir models is compared to the simulated values and morphologies of the forward collapse modelling. Additionally, the interlinkage between bedding dip and cavern stability is appraised. This study demonstrates that our proposed method can be used to simulate collapse and infill processes of recent caves systems and generate paleokarst reservoir model analogues. Post-collapse morphologies can be simulated and subsequently rendered in a geocellular framework with a relatively high geometric
and volumetric precision by employing easily accessible data. In turn, this could offer better constraints to forecast fluid flow behavior and seismic responses of paleokarst reservoirs given different collapse scenarios.
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