The list includes the drillships Sertao, Cerrado and SC Lancer, and the semi-submersibles Pantanal and Amazonia.
Sertao and Cerrado recently completed drilling appraisal wells for Petrobras at the Libra pre-salt area in the Santos basin.
The Pantanal and SC Lancer were drilling development wells in the Roncador and Jubarte fields, respectively, while the semisub Amazonia started an appraisal well last month in the area known as Parque dos Doces in the Espirito Santo basin.
The
