Only the current version so far — new entries appear as the app ships updates.
Petroleum Dictionary is an education app by Paprika Studio with 10,000+ downloads (about 32K estimated). +8 installs in the last 7 days. Rated 5.0 from 167 ratings. Released Oct 30, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “An offline dictionary consists of thousands terms related to petroleum.”