Seismic structural analysis of the miocene section in Zaafarana offshore area, North Gulf of Suez, Egypt

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Abstract

Thirty 2D seismic lines interpreted, with help of velocity well, and time-depth trace conversion, to construct the depth structural maps of Zaafarana area. This is to characterise the different stratigraphic tops of the Zaafarana area. The 2D seismic lines in Zaafarana area investigated and reviewed to select the best quality set.
The depth contour maps and structure of three different reflectors Top Kareem, Top Rudeis and Top Nukhul formations in this area were constructed and detected.
These depth structural maps indicate that the Miocene Formations in the Zaafarana Field affected by elongated fault block dipping 5–15°, to the cast-southeast. It lies downthrown and adjacent to a major down to basin, east-dipping and clysmic fault system. At the level of the Miocene reservoir section, the structure is more indicative of a large, northwest trending and compactional anticline. It is a four-way dip closure to the south-north and probable fault closures, to northeast, northwest, and southwest side of the structure.
The central portion of the structure is relatively unfaulted based upon the current seismic interpretation, it is enhancing sweep efficiency within the reservoirs.

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NRIAG Journal of Astronomy and Geophysics
Volume 8, Issue 1
January 2019
Pages 157-170

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