Crude oil futures closed the week of trading on Friday with moderate losses as traders anticipated a weekend decision by OPEC+ whether it would boost oil output for July.
Weekly losses were expected to be about 1%.
Brent crude, the global benchmark, finished down 25 cents or 0.39% to $63.90 a barrel.
The US benchmark, West Texas Intermediate crude dropped 15 cents or 0.25% to close at $60.79 a barrel on the New York Mercantile Exchange.
Friday was another day of losses for most Oklahoma energy stocks. Losses of 3% were recorded by Devon Energy, Mammoth Energy Services and Vital Energy. One firm with a large gain for the day was NGL Energy Partners which shot up nearly 12%.