4D Seismic – Status and Future Challenges Part I: Status

Time-lapse seismic is now a proven technology for monitoring fluid movements and identifying undrained compartments in thick offshore clastic reservoirs. Several challenges still exist, however, in particular the use of the technology for carbonate and thin-bedded clastic reservoirs.
This article appeared in Vol. 4, No. 5 - 2007


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Folds and Folding - Part I

Rock folds are found in various shapes and sizes on Earth, and people are often amazed to see how large blocks of hard rocks have been folded like ocean waves. But fascination with folds is also shared by the petroleum industry. In Part I of this two-part article we unfold rock ‘folds’ to better understand their geometry and genesis.
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