U.S. crude oil production averaged 13.3 million barrels per day (b/d) in December 2023, following sustained productivity increases at new wells, according to our latest Petroleum Supply Monthly (PSM). U.S. crude oil production has increased to record highs since 2010 and has risen even more quickly in recent months. These record highs have come despite declining U.S. drilling activity because the new wells are more efficient.