REUTERS - Brent crude oil LCOc1 dropped $1.67 a barrel, or 3.1 percent, to a low of $52.80 before recovering to around $53.45 by 1205 GMT. U.S. light crude oil CLc1 slipped $1.30 to $44.92 and was last 80 cents lower at $45.42.

REUTERS - U.S. West Texas Intermediate (WTI) crude futures CLc1, were up 29 cents, or 0.68 percent, at $42.82 per barrel, at 0355 GMT, having at one point risen as high as 2 percent from the last close. They had slumped 6.7 percent in the previous session to $42.53 a barrel - the lowest since June 2017. Meanwhile Brent crude oil futures LCOc1 were down 11 cents or 0.22 percent at $50.36 a barrel, having skidded 6.2 percent in the previous session to $50.47 a barrel, the weakest since August 2017.

REUTERS - International benchmark Brent crude LCOc1 futures rose 60 cents, or 1.1 percent, to $54.42 a barrel at 0408 GMT. Prices climbed to as high as $54.66. U.S. West Texas Intermediate (WTI) crude futures CLc1 were up 37 cents, or 0.8 percent, to $45.96 a barrel after earlier climbing to as high as $46.24.

REUTERS - Brent crude LCOc1 fell 77 cents to a low of $53.58 a barrel, its weakest since September 2017, before rallying to trade around $53.75, down 10.8 percent on the week, by 1055 GMT. U.S. light crude oil CLc1 was down 20 cents at $45.68, also on course for a decline of 10.8 percent for the week.

PLATTS - At 10:30 am Singapore time (0250 GMT), February ICE Brent crude futures inched down 4 cents/b (0.07%) from Friday's settle to $60.24/b, while the NYMEX January light sweet crude contract rose 5 cents/b (0.1%) to $51.25/b

REUTERS - Brent crude oil futures were at $61.09 per barrel at 0353 GMT, down 36 cents, or 0.6 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures were at $52.47 per barrel, down 11 cents, or 0.2 percent, from their last settlement.

REUTERS - International Brent crude oil futures LCOc1 were at $60.86 per barrel at 0543 GMT, up 66 cents, or 1.1 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures CLc1 were at $52.22 per barrel, up 57 cents, or 1.1 percent.

U.S. EIA - EIA expects Brent spot prices will average $61 in 2019 and that West Texas Intermediate (WTI) crude oil prices will average about $7/b lower than Brent prices next year. NYMEX WTI futures and options contract values for March 2019 delivery that traded during the five-day period ending December 6, 2018, suggest a range of $36/b to $77/b encompasses the market expectation for March WTI prices at the 95% confidence level.

PLATTS - At 11:00 am Singapore time (0300 GMT), ICE February Brent crude futures were up 43 cents/b (0.7%) from Friday's settle at $62.10/b, while the NYMEX January light sweet crude contract inched 2 cents/b (0.04%) lower to $52.59/b.

REUTERS - International Brent crude oil futures LCOc1 fell below $60 per barrel early in the session, trading at $59.50 per barrel at 0144 GMT, down 56 cents, or 0.9 percent from their last close. U.S. West Texas Intermediate (WTI) crude futures CLc1 were at $51.24 per barrel, down 25 cents, or 0.5 percent.