The number of rigs actively exploring for oil and natural gas in the Oklahoma was unchanged for the week at 195.
Nationwide, the rig count fell by 24 to 1,732.
Of the rigs running nationwide, 1,416 were exploring for gas and 311 for oil, Houston-based Baker Hughes Inc. reported Friday.
Five were listed as miscellaneous.
A year ago, the rig count was 1,447.
Weekly rig counts have been kept by Baker Hugues since 1944. Since that time, the total number of working rigs peaked at 4,530 in 1981. The least number or working rigs set a record low in 1999, with 488.
According to the company website, the major oil- and gas-producing states, Alaska and California each gained two rigs. Louisiana lost eight rigs, New Mexico lost five, Colorado and Wyoming each lost three and Texas lost one.