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Book Chapter

Seismic Morphology of Pleistocene Turbidites from Southeast Nigeria: Applications to Ancient Deposits Modeling

By
Eric Braccini
Eric Braccini
Total Research Center Structural & Sedimentologie Department Av. Larribau 640198 Pau, France
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Published:
December 01, 2010

Abstract

The shallow part of seismic deep offshore of Nigeria (sea bottom to Pliocene) is generally screened to appraise shallow hazards which could appear during drilling or on a geotechnical point of view. Also, thanks to the very good quality of the 3D high resolution seismic, these time sections are also studied with a morphological objective and reveal geological treasures as well on the level of turbidite architecture features, as on the deposit-remobilization processes.

This quick look study was performed on an area located on the eastern part of the Niger delta–Eastern Lobe (Fig. 1). The objectives were multiple:

  1. To perform an inventory of the different turbidite systems in order to understand the stratigraphic link and the deposit process,

  2. To provide sub-surface analogues in terms of morphology, size, and seismic response. These analogs are one of the tools currently used for exploration, appraisal, and also modeling. This approach is complementary with outcrop analogs.

  3. To evaluate the seismic artifacts generated by the shallow series that could affect the visibility of the seismic in the reservoir objectives.

Figure 1.

Location of the study.

Figure 1.

Location of the study.

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Contents

GCSSEPM

Seismic Imaging of Depositional and Geomorphic Systems

Lesli J. Wood
Lesli J. Wood
Houston, Texas
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Toni T. Simo
Toni T. Simo
Houston, Texas
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Norman C. Rosen
Norman C. Rosen
Houston, Texas
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SEPM Society for Sedimentary Geology
Volume
30
ISBN electronic:
978-0-9836096-0-5
Publication date:
December 01, 2010

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