International Brent crude futures were at $65.47 per barrel, down 39 cents, or 0.6%, from their last settlement. Brent had dropped to as low as $65.22 earlier in the session on Wednesday, Reuters Reported.
US West Texas Intermediate crude oil futures were down 0.7%, or 41 cents, at $56.15 per barrel.
“Crude oil futures continue to demonstrate whippy trades as markets balance between OPEC-led cuts and the effects of rising US production levels,” said Benjamin Lu, commodities analyst at Singapore-based brokerage firm Phillip Futures.
Increasingly event-driven trading was adding to market volatility, he said.
Chevron Corp and Exxon Mobil Corp released rival Permian Basin projections on Tuesday pointing to increased shale oil production.
If realized, the increases would cement the pair as the dominant players in the West Texas and New Mexico field, with one-third of Permian production potentially under their control within five years.
Data from the American Petroleum Institute, an industry group, also showed larger-than-expected gains in US crude stockpiles.
US crude inventories rose by 7.3 million barrels in the week ending March 1 to 451.5 million, compared with analysts’ expectations for an increase of 1.2 million barrels, API said. Crude stocks at the Cushing, Oklahoma, delivery hub rose by 1.1 million barrels.