“The Tupi wildcat well was designed to check out the most suitable structure that we had mapped within the pre-salt layer,” says Breno Wolff, Petrobras’ co-ordinator of southern coastal basin interpretation and assessment.
The company had long thought the upper external area of the Santos basin to be of considerable geological interest, he recalls. “The Tupi structure is one of the most conspicuous in the area, and had already been mapped in 2D seismology.
