الفهرس 
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Abstract
INRODUCTION
The studied area lies in the north-eastern portion of the
.c;. ... 6 ’
Western Desert:, between Latitudes JO 30-Jl 00 ~ and
(:1 ’ 0 ...
Longitudes 29 00-30 00 E. It covers a surface area of about
5220 Km2.(!’1g. l). :\o prominent physiographic features are
observed ln this area. Geomorphologically the area is
character iz.ed by relatively scarce and low amplitude
topographic features.
In the investigated area , their are four drilled wells.
These wells are llAx-1 , NWD-JlO-i , Sha.tut-l and AEB-lx. No
ail or gas shows was encountered ic, the.se wells. All the
available data obtained froa the surro~cding wells , such as
Alamein-lx , Fayad-i Ti ba-1 Zebeida-1 and Wadi il
Natrun-1 are taken into consideration in this study. There
are soQe oll and gas fields , such as Alamein , Yidma
Razzak and Abu Qir Fields , which are :ocated to the west
and south-west of the studied area.
Generally che studied area is coverd
Pliocene-Quaternary sediments. The surface geology of
by
t h L s
area is not considered of complex nature. Along the c~ascal
area , Pliocene shales and sandstones are exposed
limited extension. There are some elongated low relief a~d
offshore bars that run paralel to the shore line and are
believed to be of Pliestocene-Recent time.
This study is based mainly on seismic and gravity data.
The seismic data includes (37) seismic lines , which cover
the studied area , sonic logs and velocity surveys for the
different wells. The Bouguer gravity map was prepared by
Sahara Oil Company (SAPETCO)
~odified later by the General
in 1955-1958. This map was
Petroleum Oil Compay (GPC)
which classified more stations to give more accurate data.
The purpose of this study is to analyse the tectonic
evolution of the studied area as refle~ted from different
structure contour maps on selecteu tops. ~loreover
interpretation of the gravity data an.d Lhe dete.:mination of
their causative sources~
In order to achieve this goal , the following procedures
were carried out
1- Construction of three velocity maps on tops of Qatrani
Abu Roash and Alamein Formations.