BUILDING A RESERVOIR STATIC MODEL OF THE LOWER SAFA MEMBER AT EL-OBAIYED FIELD, NORTH WESTERN DESERT, EGYPT

Document Type : Original Article

Authors

1 (1) Geophysics Department, Faculty of Science, Ain Shams University, Egypt.

2 (2) The British University in Egypt (BUE).

Abstract

Integrated geophysical methods, represented by seismic reflection interpretation, wireline logs and
analysis of results of core data, were used for the detection of the structural and stratigraphic features, as well as the
estimation of the petrophysical properties aiming at the establishment of a reservoir static model, for evaluation of the
hydrocarbon potentiality at El-Obaiyed Field, North Western Desert, Egypt. Obaiyed Field lies at the western flank of
Matruh basin in this study area.
The results of the above-mentioned interpretationswere collected to build the reservoir static model. Such as Static
model can support the detection of suitable places for hydrocarbon production. Static model is a representative tool by
which facies, petrophysical properties and structurecan be visualized.
It can be concluded that, The Lower Safa static model reservoir is a combined trap formed from faulted anticline
structural trap with pinching out stratigraphic feature. This reservoir is subdivided into several units composed of sand
and shale intercalations increasing thickness northwards. Higher effective porosity and permeability values are noticed
for the sand, while lower values are found for the shale.

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