A pump jack operates at a well site leased by Devon Energy Production Co. near Guthrie, Oklahoma.

Oil prices eased on Monday as signs of a strong recovery in U.S. drilling largely overshadowed news that OPEC and non-OPEC producers were on track to meet output reduction goals.

Ministers representing members of the Organization of the Petroleum Exporting Countries (OPEC) and non-OPEC producers said at a meeting on Sunday that they had taken 1.5 million barrels per day out of the market. The producers have agreed to reduce supplies by almost 1.8 million barrels per day in the first half of this year.