Venezuela has borrowed over $50 billion from China under the financing arrangement created by late socialist leader Hugo Chavez in 2007, in which a portion of its crude and fuel sales to the world's second-biggest economy are used to pay down loans.

The decline of 120,000 barrels a day, to 2.37 million barrels a day, underscores the inability of state energy company Petróleos de Venezuela SA to maintain oil-industry investments, as the region’s largest petroleum exporter suffers from a debilitating cash crunch, widespread food shortages and civil unrest.

Exxon Mobil Corp. may invest more than $10 billion in Argentina’s Vaca Muerta shale formation in the next decades, Chairman and Chief Executive Officer Rex Tillerson said Thursday.

State-controlled Petróleo Brasileiro SA raised $6.75 billion on Tuesday from a sale of five- and 10-year dollar-denominated bonds, in a closely watched return to global debt markets after the suspension of Brazilian President Dilma Rousseff.

Petrobras said that it sold a 67% stake in its Petrobras Argentina subsidiary to Pampa Energía, an Argentinean energy firm, for $892 million. Petrobras had previously disclosed that it was in negotiations with Pampa Energia.

Brazil’s troubled state-run oil company Petróleo Brasileiro SA on Friday announced a beefed up voluntary layoff program that could affect up to 12,000 jobs amid intense efforts to cut costs.

The document reflects indicative terms and conditions in relation to the equity acquisition. Currently Rosneft owns 16,67% in this joint venture, after the transaction is completed Rosneft will increase its stake to 40% of JV and PDVSA participation will be reduced to 60%.

Tarija hosted a working meeting between Alexey Miller and Evo Morales, President of the Plurinational State of Bolivia. The parties discussed a wide range of issues relating to the ongoing and future energy cooperation. This collaboration was noted to be strategic and long-term.

Efficient joint efforts in the assets’ management enabled to reach remarkable increase of hydrocarbon production volumes both at brownfields and greenfields. Well-elaborated investment strategy provides favorable financial outcome from joint projects despite the challenging macroeconomic environment.