Exclusive-Kazakhstan's Tengiz oilfield to stay shut for another 7-10 days, sources say

MOSCOW, Jan 20 () - Oil production at Kazakhstan's vast Tengiz oilfield, one of the world's largest, could be halted for another 7-10 days after shutting down on Sunday, cutting crude exports via the Caspian Pipeline ​Consortium, three industry sources told . Operator Tengizchevroil (TCO) said on Monday that production at the Tengiz and Korolevskoye fields had been ‌stopped because of power supply problems.