Bloc with barrels WSJ Crossword Clue

Think of a collective that has a significant influence over a slippery commodity.

???? is an international organization of oil-producing countries that coordinates policies and prices.

The clue 'Bloc with barrels' refers to ????, the Organization of the Petroleum Exporting Countries, which is a group (or bloc) of oil-producing nations that manage the production and sale of oil, often measured in barrels.

Noted example of oligopoly, in brief, Grp. that adjusts oil production, Grp. making crude remarks?, Intl. cartel since 1960, Gabon rejoined it in 2016