MOSCOW, Dec 4 : Kazakhstan's oil and gas condensate production declined by 6 per cent in the first two days of December, an industry source said on Thursday, following a Ukrainian drone attack on the Caspian Pipeline Consortium's (CPC) Black Sea loading facility. The CPC pipeline, which carries over 80 per cent of Kazakhstan's oil exports and handles more than 1 per cent of global supply, suspended operations on Saturday after a mooring at the terminal, located near Russia's Novorossiysk port,