New rules set by Brazil for investment in the oil industry give about 80% of revenues generated back to Brazil. The rules require 30% participation for Petrobras, Brazil's state owned oil company, in all projects and operating of oil fields. The rules also mandate sourcing of equipment inside Brazil to develop local suppliers. Shell and Total, eager to add to oil reserves, will participate in development of the Libra oil field. BP, Chevron and Exxon declined to participate. The Brazilian government faces the difficult choice of keeping as much of the benefits of oil production inside Brazil and yet making it attractive enough for major oil companies with the knowhow for deep water drilling to participate. Delaying development for years means pushing revenue generation further into the future even as the growth rate for Brazil is slowing- down to 0.9% in 2012 and expected to be 2.5% in 2013. The street protests in 2013 making it even more important to show that the benefits of oil production will stay inside Brazil and yet not delay the generation of revenues needed for investment in Brazilian education and infrastructure....