LGO Energy, Trinity Exploration & Production and Range Resources provide updates.
Despite reporting a US$1.1bn loss in the first half, UK-based driller Borders & Southern said it expects to secure a JV partner for its Darwin condensate project in the Falkland Islands.
Pedro Joaquín Coldwell says more than half of the total corresponds to natural gas pipeline expansion projects.
The Mexican oil JV expects to start workovers at its onshore well by the end of the year and begin drilling in the first half of 2017.
Pampa will launch a tender offer to purchase the remaining minority shares in Petrobras Argentina, which Pampa acquired for US$897mn this year.
A consortium led by Brookfield Asset Management will assume control of Nova Transportadora do Sudeste, which transports natural gas via a 2,500km pipeline network connecting Rio de Janeiro, São Paulo and Minas Gerais with Brazil's offshore fields and the Gasbol pipeline from Bolivia.