Oil prices extended falls Tuesday a day after another massive rout, as concerns over storage capacity overshadow cuts by top producers aimed at boosting coronavirus-hit markets.
US benchmark West Texas Intermediate fell about six percent to $11.97 a barrel in early Asian trade, after dropping about 25 percent Monday.
International benchmark Brent crude dropped nearly 1.5 percent to trade at $19.65 a barrel.
Prices have plunged in recent weeks as demand for the commodity collapses owing to lockdowns and travel restrictions imposed worldwide to fight the virus.
Last week, US oil fell below zero for the first time as investors scrambled to offload it before the expiry of a trading contract, but could not readily find buyers.