The exploration campaign in this basin was started by OGX in September 2009. Currently the company has two drilling rigs working in parallel and a the start up of a third one is scheduled for the month of October. OGX is planning to have 15 wells drilled in the region by 2013. A major exploration budget of R$ 700 million was set for the exploration campaign.
In May 2011, OGX declared the commerciality of the accumulations Califórnia and Fazenda São José that will be company first natural gas fields, named Gavião Azul and Gavião Real, respectively. Production is planned to start in the second semester of 2012 and should reach 5.7 million m³/day of natural gas.