Brent crude futures rose $1.04, or 1.2%, to $88.55 a barrel at 0351 GMT, adding to a 1.2% jump in the previous session. The benchmark contract climbed to as much as $89.05, its highest since Oct. 13, 2014.
U.S. West Texas Intermediate (WTI) crude futures climbed $1.15, or 1.4%, to $86.58 a barrel, adding to a 1.9% gain on Tuesday. WTI earlier jumped to a high of $87.08, its highest since Oct. 9, 2014.
Turkey's state pipeline operator Botas said on Tuesday that it cut oil flows on the Kirkuk-Ceyhan pipeline after an explosion on the system. The cause of the explosion is not known.
The pipeline carries crude out of Iraq, the second-largest producer in the Organization of the Petroleum Exporting Countries (OPEC), to the Turkish port of Ceyhan for export.
The loss comes as analysts are forecasting tight oil supply in 2022, driven in part by demand holding up much better than expected against the highly contagious Omicron coronavirus variant, with some calling for a return of $100 oil.
Geopolitical issues in Russia, the world's second-largest oil producer, and the UAE, OPEC's third-largest producer, are adding to the supply concerns.
The UAE late on Tuesday called for a meeting of the United Nations Security Council to condemn an attack on Abu Dhabi on Monday by Yemen's Houthi movement, which has threatened further attacks.
"OPEC+ is falling short of hitting their production quotas and if geopolitical tensions continue to heat up, Brent crude might not need much of a push to get to $100 a barrel," OANDA analyst Edward Moya said in a note.
Jet fuel consumption is rising with growth in international flights, while road traffic is much higher than the same time last year, Commonwealth Bank commodities analyst Vivek Dhar said in a note.
"OPEC+ supply constraints and the ongoing increase in global oil demand will likely keep oil prices well supported in coming months," Dhar said.
OPEC officials have told Reuters oil's rally may extend further in the next few months as demand recovers recovering demand and limited capacity in OPEC+ to add supply and prices could break $100 a barrel.