Abstract

The study area covers the Temsah and North Port Said development leases in the Eastern Mediterranean sub-basin. Exploration activities are quite challenging task due to high structural complexity in Plio-Pleistocene succession. The seismic and well data integration revealed the presence of un-explored potential in the hangingwall side of the main bounding faults in the investigated interval.

Despite the potentiality of Pliocene sedimentary package in this area is proved, the interpretation of the recently acquired seismic data suggests that its potentiality might be significantly larger than initially evaluated. A structural-stratigraphic approach has been applied to improve the geological consistency of seismic interpretation. In addition, the available biostratigraphic data (timelines) were used to guide seismic interpretation and to correlate wells located in a different structural setting. The interpretation of seismic attributes of this interval shows the presence of high amplitude un-explored anomalies. This workflow helped the interpretation in the hangingwall of the main syn-sedimentary listric faults related to an intense salt tectonics regime. Recently, the near field exploration led to new gas discoveries in a similar geological framework.

In Temsah area, amplitude related attributes are usually used to identify Pliocene anomalies and prospects. Whereas in this work, we present the benefits of integrating structural attributes (i.e. coherency) and amplitude related attributes to identify subtle structural and stratigraphic traps. In the present work, the integration of different seismic attributes was performed to assist the geological model, which was not easily detected on conventional seismic interpretation. Furthermore, it allowed de-risking the un-explored anomalies in the investigated interval. To fulfill this issue, two attribute types were used: (1) attributes for the structural interpretation (continuity, coherency) and (2) attributes based on amplitude and frequency behavior (useful to recognize the stratigraphic features). The application of the above mentioned approach allowed, among other results, to delineate a new channel.

This workflow helps us to de-risk the un-explored anomalies and to promote new drilling opportunities that should be contributing in future activities. In addition, the achieved results allowed to better understanding the tectono-stratigraphic framework and its impact on reservoir distribution in the study area.

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