Conventional and Advanced Petrophysical Evaluation of Pliocene Sediments in Simian Field, Offshore Nile Delta, Egypt

Document Type : Research and Reference

Authors

1 Geology Department, Faculty of Science, Al-Azhar University, Egypt

2 Geology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt.

Abstract

The study area is located approximately 120km NE of Alexandria, which lies offshore in the deep water (250-1500m) of the present day Nile Delta and bordered between latitude 32º 16` & 32º 06`N and longitudes 30º 44` & 30º 56`E, Simian element is one of the major channel systems that make up the Mid- Pliocene submarine channel complex as mapped in the West Delta Deep marine concession.

The results had showed clean sandstone and thin bedded sandstone reservoirs, through the advanced well log tools. This should be taken into consideration in the future wells, workover wells, and the distribution of facies in both the static and dynamic models, to increase the hydrocarbon production and life- time of the producible wells.

The petrophysical interpretation showed that the effective porosity ranges from 21% to 25 and the water saturation ranges from 29% to 40%, and the volume of shale from 16% to 29%. Generally, the distribution of the petrophysical parameters increase from the core of the channel toward the levee of the channel along the channel axis of the study area.

The optimum locations for the forthcoming wells is the south eastern part of the field, because they have the best petrophysical parameters. They have the lower shale volume, net to gross, the higher porosity and hydrocarbon saturation. But should be taken in consideration that, the combination of structural amplitude map and petrophysical maps are necessary, to drill in the best locations regarding the high structure, high amplitude and good petrophysical parameters.

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