For parties interested in the offerings of the Brazilian 11th bidding round, the ANP have very usefully provided a shapefile download of the available onshore & offshore blocks – see
http://www.brasil-rounds.gov.br/round11/ingles_r11/areas_oferecidas.asp.
Details of a 300-page report into the onshore basins, spatially-enabled by Lynx into an integrated ArcGIS project, can be requested via email to adviser@lynx-info.com.