UPDATE 1-Colombia oil auction sells 27 pct of blocks offered
July 23, 2014 at 17:52 PM EDT
CARTAGENA, Colombia, July 23 (Reuters) - Colombia drew bids for fewer than one third of the blocks it offered at its 2014 oil round on Wednesday, the government said, with most interest in more familiar and explored regions, which may make it tougher to boost stagnant reserves.