US crude futures were 17 cents higher at $37.35 a barrel
US crude was down $1.65, or 4.3 per cent, at $36.85 a barrel by 12:18 pm EDT (1618 GMT)
US crude futures were trading at $38.41 per barrel
IEA said it believed non-OPEC output would fall by 750,000 barrels per day (bpd) in 2016
Analysts warned that any price rally was pre-mature as a global glut remained in place
EY oil and gas analyst Sanjeev Gupta said the market it looking forward to a March 20 meeting of major crude producers
But a slowing China economy raises concerns of stalling demand; crude oil may have bottomed but full recovery not seen before 2017
Brent was down 2.9% at $39.65, while US crude closed down 3.7% at $36.50
Front-month Brent crude futures were trading at $39.42 per barrel, up 1.8%
Traders said that a market rout that has pulled down prices by 70% since mid-2014 is over
Brent was trading at $36.54 a barrel, while WTI was down 66 cents at $33.74
London Brent was trading at $36.73, while the NYMEX was down 34 cents at $34.06 a barrel
Benchmark Brent crude futures were up 34 cents at $36.91 a barrel
Weak economic data out of China and the prospect of slowing oil demand growth prevented more price rises
Prices remained unstable on weak Chinese manufacturing data and a hint that oil producers could cooperate to stabilise market
China's PMI stood at 49.0, shrinking more than expected in February
Analysts said after a 20-month rout prices fall by 70%
Prices jumped yesterday after Venezuela said it was preparing to meet with other producers in March to discuss ways to stabilise the market
US gasoline inventories fell after OPEC kingpin Saudi Arabia shot down hopes for an output cut
Brent was down 51 cents at $34.18 a barrel, West Texas Intermediate crude futures were trading at $32.84 per barrel