Russia has massed enough troops near Ukraine to launch a major invasion, Washington said, as it urged all US citizens to leave the country within 48 hours
Brent crude futures edged down 36 cents, or 0.4%, to $90.42 a barrel by 1150 GMT
This year, prices have gained about 15% amid geopolitical tensions between Russia, the world's second-largest oil producer and a key natural gas provider to Europe, and the West over Ukraine
Brent crude futures gained 1 cent to $78.99 a barrel at 0239 GMT, while U.S. West Texas Intermediate (WTI) crude futures slipped 2 cents to $76.06 a barrel.
US airlines cancel more than 1,000 flights on Sunday; British minister says no new Covid curbs for England in 2021
Brent crude futures fell 69 cents, or 0.9%, to $73.70. U.S. West Texas Intermediate (WTI) crude futures settled down 56 cents, or 0.8%, at $70.73.
Brent crude oil futures dropped 98 centsby 14.05 GMT
The US launched an auction for 32 million barrels of crude from four strategic petroleum reserves (SPR) sites to be delivered between late-December and April 2022
Brent crude was up by 86 cents or 1% at $83.60 a barrel by 0745 GMT, after dropping nearly 2% last week
Analysts expect the latest weekly US oil inventory data to show a 1.9 million-barrel build in crude stocks
Brent crude futures were up 80 cents, or 0.95% a barrel at 0930 GMT
Oil prices eased on Tuesday after climbing to their highest levels in years in the previous session on the decision by OPEC and allied major oil producers to maintain restraint on supply.
Brent crude rose 48 cents, or 0.7% to $73.40 a barrel, and U.S. West Texas Intermediate (WTI) crude also added 49 cents, or 0.7%, to $70.21 a barrel
SINGAPORE (Reuters) - Oil prices rose on Friday on growing signs of tightness in U.S. markets after Hurricane Ida hit offshore output, although benchmarks were heading for weekly losses of nearly 1% after China announced plans to sell crude from its strategic reserves.
Oil prices rose on Friday and were on track to post big gains for week on worries about supply disruptions as energy companies began shutting production in Gulf of Mexico ahead of possible hurricane
A rising number of coronavirus cases worldwide, despite vaccination programmes, has limited the upside for oil and remains a concern.
Brent crude futures rose 23 cents, or 0.3%, to $74.73 a barrel by 1150 GMT
MELBOURNE (Reuters) - Oil prices were steady on Tuesday with investors betting tight supply and rising vaccination rates will help offset any impact on demand due to surging COVID-19 cases worldwide.
Brent crude gained 50 cents to $72.73 a barrel by 11:10 a.m. EDT (1510 GMT)
OPEC+ ministers agreed on Sunday to boost oil supply from August to cool prices which have climbed to 2-1/2 year highs as the global economy recovers from the coronavirus pandemic