In 2017 SCI Journal Citation Reports (JCR) released in June 27, 2018, the Impact Factor of Petroleum Exploration and Development is 2.065 ranked third (Q1) in the category of Petroleum Engineering, ranked in Q2 area in Geosciences.

         We express our heartfelt thanks to authors, readers, Editorial Committee, and peer reviewers for your support and help. We hope that you will, as always, support and contribute to the journal!