The development stages:Exploration drilling/2008-04.The PN-T-49 block in Brazil's Parnaíba basin is owned by Parnaíba Gás Natural (PGN), which has a 66.6% operating stake in the block, with the balance held by sister firm Eneva. PGN revealed a new natural gas find in March 2013. The discovery was made at the 4OGX108BMA well located in northeastern Brazil.