It appears that oil continues to be a lucrative business to be in, no surprise:
Aramco Unveils Financial Secrets of World's Most Profitable Firm
Aramco Unveils Financial Secrets of World's Most Profitable Firm
The first official glimpse of Saudi Aramco’s financial performance confirms the state-run oil giant can generate profit like no other company on Earth: net income last year was $111.1 billion, easily outstripping U.S. behemoths including Apple Inc. and Exxon Mobil Corp.