A man works at Chevron's drilling site during a media day in Pungesti April 8, 2014. The U.S. Energy Information Administration estimates that Romania and its neighbors Bulgaria and Hungary could ... more 
A man works at Chevron's drilling site during a media day in Pungesti April 8, 2014. The U.S. Energy Information Administration estimates that Romania and its neighbors Bulgaria and Hungary could between them have 538 billion cubic meters of gas, which would be enough to cover Romania's consumption for almost 40 years. REUTERS/Bogdan Cristel (ROMANIA - Tags: BUSINESS ENERGY ENVIRONMENT) less 
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Reuters | Photo By BOGDAN CRISTEL / REUTERS
Tue, Apr 8, 2014 7:04 AM EDT