Also this week, U.S. and Russia energy leaders talked Nord Stream 2 at the World Gas Conference, while Chevron and Exxon Mobil CEOs expressed trade conflict concerns.
The move by Saudi Arabia, the world's top oil exporter, is a clear indication it is serious about bringing oil prices down, after major consumers raised concerns that prices were rising too high, too quickly.
For about three weeks ahead of the OPEC meeting, oil prices had retreated from 3-1/2-year highs. However, Brent crude settled up 2.7% on the week, while WTI crude was up 5.5%.
Also this week, Drillinginfo Co-founder Allen Gilmer discusses the company's bevy of recent deals.
Saudi Arabia and Russia have both been lobbying for a change to the production deal, but few nations have come out in favor of an increase.
Russian Energy Minister Alexander Novak said Russia wanted OPEC and non-OPEC to raise output by 1.5 million bbl/d, effectively wiping out existing production cuts.
Canadian oil and gas producer Baytex Energy said it would buy rival Raging River Exploration for about C$2.8 billion (US$2.13 billion) to expand in the oil-rich Duvernay Field in Alberta.
Bringing digital technologies such as artificial intelligence and digital twin models to the oil patch has moved higher on the agendas of energy companies.
The IEA forecast a 1.5 million-barrel drop in oil supply from OPEC members Venezuela and Iran.
"Oil prices are too high, OPEC is at it again. Not good!" Trump wrote in a post on Twitter on June 13 after last raising the issue in April.