Petrobras shares rose Friday a day after Brazil's government owned oil company said it found more oil in the offshore Santos Basin. Shares rose 4.88, or 4.5%, to $112.88 in afternoon trading.

Cuba's Raul Castro and Venezuelan President Hugo Chavez presided Friday in Cuba over the opening of the fourth Petrocaribe summit which will address the region's lack of sufficient energy resources.

Brazil's government controlled oil corporation Petrobras took a major step this week to increase production from the Roncador field in the Campos Basin offshore Brazil.

Falkland Oil and Gas Ltd said the results from its controlled source electromagnetic (CSEM) survey on its Falkland Islands exploration programme are encouraging, with positive CSEM anomalies indicating the possible presence of trapped hydrocarbons with the potential of significant resources.

Víctor Filichkin, head of Russian energy company Intermash, visited Chile last week to promote a potential nuclear solution to Chile's energy needs. Filichkin's visit coincides with the arrival of the new U.S. ambassador to Chile – touted as a nuclear energy expert – and the recent visit by Mohamed El Baradei, head of the International Atomic Energy Agency (IAEA).

Rockhopper Exploration reported Friday that Wavefield Inseis had successfully collected the site survey data over the Ernest prospect in oil exploration license PL024, 100km off the Falkland Islands.
Repsol YPF SA, Spain's largest oil company, discovered natural gas at a field in southeast Bolivia that may be large enough to supply the equivalent of 1% of consumption in its home country.
The head of the United Nations nuclear watchdog agency this week praised Brazil's nuclear energy programme while visiting a uranium enrichment plant capable of producing fuel for nuclear reactors.
An energy bill that would require the first rise in vehicle fuel efficiency in more than 30 years was passed this week by the United States House of Representatives.
Brazil's government owned Petrobras confirmed this week the discovery of new natural gas reservoirs to the north of the Camarupim field, in the Espírito Santo Basin, off the southeastern coast of the country.