Brent rose 59 cents to $58.89 a barrel by 10:51 a.m. ET (1451 GMT), after rising to a session high of $60.08, the highest since July 2015 and more than 35% above its 2017 lows touched in June.
US Secretary of State Rex Tillerson will visit Saudi Arabia, Qatar, Pakistan, India and Switzerland in a week-long trip starting on Friday, the State Department said in a statement released on Thursday.
Activists and rights groups say security forces have rounded up some 30 clerics, intellectuals and others in the past 10 days, in what Human Rights Watch has described as "a co-ordinated crackdown on dissent".
Al Jazeera Media Network yesterday expressed dismay at social media platform Snapchat's decision to block its Discover Publisher Channel in Saudi Arabia.
The appeal, announced on a Twitter account run by the interior ministry late on Tuesday, coincides with an apparent crackdown on potential government critics and a call by exiled opposition figures for demonstrations.
Activists circulated lists of people detained on social media showing the number had risen to around 30 on Wednesday, including some with no clear links to Islamist activity or obvious history of opposition.