The number of oil drilling rigs in the USA showed no change this week. Weekly data from oilfield services company Baker Hughes was released. According to this data, the number of oil drilling rigs in the country remained constant at 486 from February 28 to March 7, compared to the previous week. The number of oil drilling rigs in the USA has decreased by 18 in the past year. On the other hand, the price per barrel of Brent crude oil, which closed Thursday at $69.46, finished Friday at $70.36. The price per barrel of West Texas Intermediate (WTI) crude oil closed Friday at $67.04. A barrel of WTI crude oil had finished Thursday at $66.36.