BAKU (AFX) – A pipeline is to be built under the Caspian Sea to export oil from Kazakhstan through the Baku-Tbilisi-Ceyhan (BTC) pipeline, Natiq Aliyev, head of Azerbaijan state oil company SOCAR, said in an interview on the local ANS channel. The BTC consortium comprises SOCAR, BP PLC, Unocal, Statoil AS, TPAO, ENI Agip, TotalFinaElf,…