The development concept is now expected to include a floating production unit for gas separation, dehydration and condensate removal, though it has not been decided whether to use a semi-submersible, spar or tension-leg platform.

Sources said the oil price slump and high building costs do not justify the FLNG option.

“Developing Lingshui with FLNG could cost 7 billion yuan ($1.2 billion),” said one source.

CNOOC