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Book Chapter

Influence of igneous sills on Paleocene turbidite deposition in the Faroe–Shetland Basin: a case study in Flett and Muckle sub-basin and its implication for hydrocarbon exploration

By
Sylvester Egbeni
Sylvester Egbeni
1
GDFSUEZ E&P UK Ltd, Holborn Viaduct, London, UK
2
Fault Dynamic Group, Earth Science Dept, Royal Holloway University, Egham, TW20 0EX, UK
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Ken McClay
Ken McClay
2
Fault Dynamic Group, Earth Science Dept, Royal Holloway University, Egham, TW20 0EX, UK
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Jack Jian-kui Fu
Jack Jian-kui Fu
3
GE Oil and Gas, Canada
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Duncan Bruce
Duncan Bruce
1
GDFSUEZ E&P UK Ltd, Holborn Viaduct, London, UK
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Published:
January 01, 2014

Abstract

A new interpretation on three-dimensional seismic data from the Flett and Muckle sub-basins of the Faroe–Shetland Basin has shown dyke and sill emplacement influencing the Paleocene turbidite deposition. Sill and dyke emplacement in the study area created significant inflation anticlines during Paleocene time and affected palaeotopography at the seafloor. The uplift of older Early Paleocene (Sullom) and Middle Paleocene (early Vaila) turbidite deposits results in their erosion and redeposition in adjacent lows or transports them further into the basin by erosive channels. By using public domain well and biostratigraphic data from wells 208/19-1, 206/2a-1 and 206/1-2, seismic data and the use of seismic sequence stratigraphy to map the onlapping seismic reflectors on the flanks of the inflated anticlines, the relative timing of sill emplacement in the study area is shown to be Early–Middle Paleocene. The ability to identify these systems and understand the interaction between palaeotopography and Paleocene turbidite deposition in the basin is key to unlocking the hydrocarbon potential in the UK flank of the Faroe–Shetland Basin.

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Contents

Geological Society, London, Special Publications

Hydrocarbon Exploration to Exploitation West of Shetlands

S. J. C. Cannon
S. J. C. Cannon
Statoil (UK) Ltd
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D. Ellis
D. Ellis
Statoil (UK) Ltd
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Geological Society of London
Volume
397
ISBN electronic:
9781862396739
Publication date:
January 01, 2014

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