Brazil
By OGJ editors
HOUSTON, Sept. 21 – Petra Energia SA let a contract to Global Geophysical Services Inc., Houston, for a seismic survey in the Sao Francisco basin in Brazil’s onshore Minas Gerais State.
The contract is for 6,000 line-km of Vibroseis 2D seismic with an option for a further 3,000 line-km.