Sedimentary Basins: Origin, Depositional Histories, and Petroleum Systems

Multiage Plays in Offshore Nigeria: Hidden Plays of Neogene Shale Structures, and Robust Lower Miocene to Paleogene Deposition
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Published:January 01, 2014
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CiteCitation
Christopher D. Connors, Barbara J. Radovich, 2014. "Multiage Plays in Offshore Nigeria: Hidden Plays of Neogene Shale Structures, and Robust Lower Miocene to Paleogene Deposition", Sedimentary Basins: Origin, Depositional Histories, and Petroleum Systems, James Pindell, Brian Horn, Norman Rosen, Paul Weimer, Menno Dinkleman, Allen Lowrie, Richard Fillon, James Granath, Lorcan Kennan
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Abstract
As Offshore Nigeria enters a third decade of deep-water exploration, unsuccessful wells in the structures of the deep-water Outer Fold and Thrust Belt have spurred a reevaluation of plays in the regional basin. Key lines from a newly-acquired seismic data set having 10 km long-offset, deep-tow acquisition parameters, and modern PSDM processing are examined here and show significant improvements in deep imaging. The interpretation of these lines advances the understanding the Paleogene Akata Shale and structural styles of mobile shale features and focuses new attention towards exploration leads of older sediments in intermediate water depths of the Inner Fold...
- Africa
- Cenozoic
- clastic rocks
- decollement
- deep-water environment
- extension tectonics
- faults
- fold and thrust belts
- folds
- geophysical methods
- geophysical surveys
- gravity sliding
- lower Miocene
- Miocene
- Neogene
- Niger Delta
- Nigeria
- Oligocene
- Paleogene
- petroleum
- petroleum exploration
- reservoir rocks
- sandstone
- sedimentary rocks
- seismic methods
- shale
- source rocks
- structural traps
- surveys
- tectonics
- Tertiary
- thrust faults
- traps
- West Africa
- Akata Shale