Iran started its first maritime patrol in the Southern coasts of the Caspian Sea to study the sea bed , seismology and identify oil routes.According to an MNA report, Geological Survey of Iran and the Oceanic and Atmospheric Science Center implemented the project by a research vessel. The research is to study sea bed and measuring sediment layers in the Caspian Sea in 1,000 square kilometers width and 500 meters depth from Bandar Anzali to the East coast of Sefid Rud delta. The research project will continue by the end of current solar year in Gilan Geological and Survey Center. The Iranian experts have already succeeded to identify a route for transfer of optical fiber, oil and water.