... Abstract The Brazilian Pre-Salt region has garnered much attention since the first major discoveries were announced by Petrobras, in 2006. Since then, discoveries in the region have ranked among the largest in the world in the last ten years, including Lula (former Tupi), Iara, and Libra...

... and short term fluctuations, such as the GOM spill may be, will not greatly affect these plans. Model parameters Petrobras invested heavily in DWD rigs in 2007–2009 and contracted nearly 80% of the world’s available DWD rigs, which drove up day rates for the whole sector (Bloomberg, 2008) 31...