This excerpt taken from the PBR 20-F filed Jun 30, 2005.
Our dominant market position in the production, refining and transportation of crude oil and oil products in Brazil
Our legacy as Brazils former sole supplier of crude oil and oil products has provided us with a fully developed operational infrastructure throughout Brazil and a large proved reserve base. Our long history, resources and established presence in Brazil permit us to compete effectively with other market participants and new entrants now that the Brazilian oil and gas industry has been deregulated. We operate all major development fields in Brazil and substantially all of the countrys refining capacity. Our average domestic daily production of crude oil and NGLs decreased 3.1% in 2004, as compared to an increase of 2.7% in 2003 and 12.3% in 2002.