1. Exploration Department Egyptian Petroleum Research Institute Nasr City 11727 Egypt
2. Geology Department Faculty of Science South Valley University Qena 83523 Egypt
3. Geology and Geophysics Department College of Science King Saud University Riyadh 11451 Saudi Arabia
4. Geology Department Faculty of Science Zagazig University Zagazig 44519 Egypt
5. Petroleum Geology Department Faculty of Petroleum and Mining Science Matrouh University Matrouh 51511 Egypt