REUTERS - International Brent crude oil futures were at $59.88 per barrel at 0816 GMT, down 60 cents, or 1 percent from their last close. U.S. West Texas Intermediate (WTI) crude futures were down 59 cents, or 1.1 percent, at $51 a barrel.

REUTERS - International Brent crude futures LCOc1 were at $61.62 per barrel at 0749 GMT, down 6 cents, or 0.1 percent, from their last close. U.S. West Texas Intermediate (WTI) crude futures CLc1 were 4 cents above their last settlement, at $52.63 per barrel.

REUTERS - U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were at $50.42 per barrel at 0752 GMT, up 64 cents, or 1.3 percent, from their last settlement. That marked the first time this year that WTI has topped $50 a barrel. International Brent crude futures LCOc1 were up 69 cents, or 1.2 percent, at $59.41 per barrel.

REUTERS - Brent crude futures LCOc1 were at $57.86 per barrel at 0538 GMT, up 80 cents, or 1.4 percent, from their last close. U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were at $48.77 per barrel, up 81 cents, or 1.7 percent.

REUTERS - Brent crude futures LCOc1 were at $56.33 per barrel at 0638 GMT, up 38 cents, or 0.7 percent, from their last close. U.S. West Texas Intermediate (WTI) crude oil futures CLc1 were at $47.73 per barrel, up 64 cents, or 1.4 percent.

REUTERS - Brent crude LCOc1 futures rose 4 cents to settle at $52.20 a barrel, off the session high of $53.80 a barrel. U.S. West Texas Intermediate (WTI) crude CLc1 futures rose 72 cents to settle at $45.33 a barrel, after earlier reaching $46.22 a barrel.

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.