الفهرس 
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Abstract
The Nile Delta is considered as the most important gas producing province in Egypt. It is an emerging giant gas producing province with proven reserves of approximately 42 Trillion Cubic Feet (TCF). The area of study is located in the Middle Eastern part of the Nile Delta of Egypt around Mansoura city, It lies between latitudes 30° 57’ 30” & 31 ° 10’ 00” N and longitudes 310 20’ 00” & 31 ° 36’ OO”E with an area of 566480km2.
Detecting and assessing hydrocarbon reservoirs without need to drill test wells is of the major impOliance to the petroleum industry. In the present work, both Electromagnetic techniques Time-domains electromagnetic (TEM) and Magnetotullurics (MT) technologies have been used to measure subsurface resistivity related to hydrocarbon exploration and integrated with seismic data that perfonned in the same area. The aim of my study is to using the Electromagnetic method to delineate the subsurface stratigraphy and structural features of the area distinguished according to resistivity values of the geological units of the study area. Recently the Electromagnetic methods have a wide range for deep investigation especially in hydrocarbon to treat the defect of traditionally seismic methods that have problems in salt domes and fractured rocks added it’s high expensive in application.
Electromagnetic methods have emerged as promising tools for hydrocarbon exploration than any other geophysical teclmique. Hydrocarbon reservoirs typically exhibit higher electromagnetic resistivity than their sUlToundings. A good coherence was found between the electromagnetic and seismic profiles and show that the Hydrocarbon is exiting in the Abu-Madi and Qawasim channel which represent the main gas containing layers in the Nile delta. The depth and extension of these layers were estimated and imaged.