
Brazilian authorities identified a small oil leak off the shores of Rio de Janeiro on Saturday, the latest in a series of spills that has raised safety concerns over the development of some of the world's largest petroleum reserves.

Beijing oil company PetroChina has become the world’s largest publicly-traded oil producer, surpassing Exxon Mobil Corp. in production last year, reported several international news agencies.

Argentina's biggest energy company YPF, has found unconventional shale oil and natural gas in Mendoza province, confirming the extension of the massive Vaca Muerta area, officials said on Thursday.

Brazil's largest oil workers union filed a lawsuit against US oil company Chevron and drilling firm Transocean that seeks to cancel their rights to operate in the country as the result of an offshore oil spill last November.

Nine oil and gas companies have submitted 19 bids to explore for hydrocarbons off the coast of Uruguay, the state energy company Ancap said on Thursday.

Argentina oil output during the month of January dropped 4.21% compared to a year ago while natural gas was down 0.11%, according to the latest official data from the Energy Secretary.

Amidst raising tensions between the Argentine government and Spain’s Repsol-YPF oil company, Interior Minister Florencio Randazzo warned on Tuesday that the administration led by President Cristina Fernández will take “all necessary measures to guarantee the country's energy self-supply”.

President Ollanta Humala announced Peru was “one step away” from reaching a deal with the consortium developing Block 88 of the huge Camisea gas field. The deal would ensure cheap fuel for Peru, for the next 25 to 30 years, reported the official news agency Andina.

The euphoria around a small-to-medium oil discovery off the southwest coast of Ireland may be overblown but the country could yet become a significant producer if it can replicate the drilling success in much deeper waters to the west

Oil giant BP has been given consent to drill a controversial deep-water well west of Shetland. The North Uist well is about 125km to the north west of the islands, at a depth of nearly 1,300m. The UK government's Department of Energy and Climate Change (DECC) said it had thoroughly examined BP's environmental impact and emergency response plans.