The decision on the timing of the round will be made by Brazil's national energy policy committee with blocks selected from areas recommended by the ANP.
Current thinking at the agency is that the northern equatorial margin will not be included in the round, after featuring heavily in the last offering of concessions in May 2013.
"There is a lot to be done in the equatorial margin and a lot of data to be collated, processed and integrated," ANP director-general Magda Chambriard said, speaking at the opening of a new oil spill response base in the state of Rio de Janeiro.
"This