"Generally, there are three factors investors would critically evaluate," said Kishu Gomes, managing director of Caltex Lubricants Lanka, the Sri Lankan unit of the Chevron Texaco oil multinational, which also expressed initial interest.
"These are the size of the opportunity, the country's situation, mainly security and the terms and conditions of oil exploration licenses."
Government officials had said earlier that most of the world's oil majors had expressed an interest in the offshore blocks on offer during roadshows in major oil centres.
But last week the government said only three firms, mainly regional players focusing on India and south A