U.S. oil rigs rose seven to 401 this week, while gas rigs fell one to 101, Baker Hughes said.
The number of rigs running in the U.S. rose by six in the past week with the biggest increase in the Anadarko Basin.
The largest week-over-week changes in the rig count occurred in the Permian Basin and Williston Basin.
The combined oil and gas rig count, an early indicator of future output, rose five in the week to Aug. 27 to 508, its highest since April 2020, Baker Hughes Co. said in its weekly report.
The Denver-Julesburg Basin rig count hit a 2021 high in early August of 16 rigs, an activity level not seen since early April 2020.
U.S. oil rigs rose eight to 405 this week, their highest since April 2020, while gas rigs fell five to 97, registering their biggest weekly decline in 16 months.
Major U.S. shale plays with the largest week-over-week increases were in the Appalachian and the Permian basins, with each gaining three rigs.
U.S. oil rigs rose 10 to 397 this week, up from 172 a year ago, which was their lowest since 2005 before the shale boom boosted activity.
According to Enverus Rig Analytics, the U.S. rig count increased by seven in the last week. The number of active rigs is up 5% in the last month and up nearly 99% year-over-year.
U.S. oil rigs rose two to 387 this week, while gas rigs held steady at 103, Baker Hughes data show.