الفهرس 
CHAPTER ( I )Only 14 pages are availabe for public view
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Abstract
The Egyptian Western Desert extends from the Mediterranean shore line at the North to the Sudanese border at the South and from the Nil River Valley to the east and the Libyan border to the west, it covers more than 65% of the whole of Egypt (Schlumberger, 1984). There are seven main depressions within this area, six of them are considered oases (Siwa, El Faiyum, Bahariya, Farafra, Dakhla, and Kharga) and the Qattara is the largest. There are also two large agricultural schemes in the south, Sharq Oweinat near the Sudanese border and Tushka near Lake Nasser.
I.2) LOCATION OF THE STUDY AREA
Abu Gharadig Basin is a mature hydrocarbon province that includes most of the oil and gas fields in the Upper Cretaceous represented mainly by Abu Roash, Bahariya and Kharita sandstone reservoirs.
Regionally, North Bahariya Concession is located southeast of Abu Gharadig Basin in the northern part of the Egyptian Western Desert. It’s bounded from the south by the Sitra platform, from the north by the Ras Qattara uplift, from the east by the Kattaniya high and from the west by Siwa platform (Bayoumi, 1994), about 150 km west of Cairo City. It is also surrounded by Abu Sennan Concession at the Northwest, West Qarun Concession at the West and East Bahariya Concession at the East.
The area selected for the present study is the Abrar field that is located in the south western part of North Bahariya Concession. It covers an area of about 36 Km2 and is bounded by latitudes 29º 33’ 00.00’’ and 29º 35’ 00.00’’ N and by longitudes 29º 18’ 00.00’’ and 29º 24’ 00.00’’ E (Figure I.1).
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Figure (I.1): Location map of North Bahariya.
I.3) OBJECTIVES OF THE STUDY
The objectives of this work are to study the structural setting, the tectonics, reservoir characterization and the hydrocarbon trapping of Abrar field using 3D seismic and available well data through the following steps
1. Identification of the subsurface structural styles of the study area as well as its relation to hydrocarbon bearing zones.
2. Evaluation of the petrophysical properties of the Abu Roash ”G” potential zones.
3. Obtaining detailed information about the field to identify the extension of the good quality sand facies in Abu Roach “G” reservoirs and the high potential reservoir areas to select the optimum locations for exploratory, appraisal and development wells.
I.4) AVAILABLE DATA
North Bahariya concession is covered by a 3D seismic survey with surface area.