Río Negro opens bidding on Cerro Manrique hydrocarbon block and President Energy begins a workover program in the province, while Salta redefines exploration areas.
Crisis-stricken Venezuela agrees to pay back US$3.15bn over the next decade with minimal repayments in the first six years, officials said on Wednesday.
The hydrocarbons commission will launch a tender this week after the one launched in October was declared void on November 6.
With the aim of maintaining tighter control over "social tariffs," the government is demanding all energy distributors feed rate information into a national database.
Maintenance impacts pre-salt production for the Brazilian energy giant.
The Argentine energy company's profitability reflected the improved performance in its principal segments of power generation, electricity distribution, oil and gas, and refining, offset slightly by losses in petrochemicals and intersegment eliminations.