The oil rig count in the U.S. showed a decline this week, according to oilfield services company Baker Hughes data on Friday.
The number of oil rigs in the country decreased by two for the week ending Sept. 7, the data showed.
This brought the total number of oil rigs in the U.S. to 860 this week, from 862 the week before.
After the decrease in oil rig count, crude oil prices showed increase in the global market.
International benchmark Brent crude traded at $76.96 per barrel at 1855 GMT on Friday, while American benchmark West Texas Intermediate was at $67.83 a barrel at that time.
The U.S. Energy Information Administration (EIA) data showed Thursday that crude oil production in the country rose last week by 84,000 barrels per day (bpd) to 11 million bpd.
This marked the 29th time that crude oil production increased in the country during the last 34 weeks.
The U.S.' crude oil production is expected to average 10.7 million bpd in 2018, and 11.7 million bpd in 2019, according to the EIA's Short-Term Outlook report for August.
By Ovunc Kutlu in New York