Trans-Anatolian Natural Gas Pipeline Project TANAP, the purpose of the project, Azerbaijan's Shah on the Caspian Sea 2 Gas Field and the natural gas produced in the Caspian Sea in the south of the other areas first to Turkey, then is transported to Europe. TANAP combines with the South Caucasus Pipeline (SCP) and the Trans-Adriatic Pipeline (TAP) to form the Southern Natural Gas Corridor.