Brent crude LCOc1 was up 25 cents at $55.83 a barrel at 0954 GMT, having traded in a narrow 53-cent range so far in the session. U.S. crude CLc1 rose 26 cents to $53.07.

Light, sweet crude oil prices on the New York market and Brent crude oil prices on the London market surged by more than $1/bbl on Feb. 1 as traders and analysts shrugged off a big jump in the US oil inventory report.

Saudi Arabia, the world’s largest crude exporter, raised pricing for March sales to buyers from the U.S. to Asia as output cuts by OPEC and other producers shore up oil prices.

Full-year 2016 earnings were a net loss of $3.6 billion, or ($2.91) per share, compared with a full-year 2015 net loss of $4.4 billion, or ($3.58) per share. Excluding special items, full-year 2016 adjusted earnings were a net loss of $3.3 billion, or ($2.66) per share, compared with a full-year 2015 adjusted net loss of $1.7 billion, or ($1.40) per share.

Weatherford International plc (NYSE: WFT) reported a net loss of $549 million, or a loss of $0.59 per share, and non-GAAP net loss of $303 million before charges and credits ($0.32 non-GAAP loss per share) on revenues of $1.41 billion for the fourth quarter of 2016.

Brent crude was up 50 cents at $57.30 a barrel by 1115 GMT (6:15 a.m. ET) after settling up $1.22 in the previous session. U.S. light crude gained 30 cents to $54.18 after climbing by $1.07 on Wednesday.

A measure of oil volatility last month averaged the lowest in more than two years and futures in New York have been stuck between $50 and $55 a barrel since OPEC and other producing nations agreed Dec. 10 to reduce output. Price estimates compiled by Bloomberg show crude will average $52 during the first quarter this year, rising to $58 in the last three months of 2017.

Therefore, OPEC has raised its supply to Asia, and Russia has also re-routed a great chunk of its rising production toward China and the Asia-Pacific over the past decade. Russia surpassed Saudi Arabia as China's biggest supplier last year, exporting 1.05 million bpd of crude versus Saudi Arabia's 1.02 million.

China's apparent oil demand slipped into the negative territory in 2016, a sharp reversal from the near 7% growth witnessed a year earlier, as the country's slowest GDP growth in 26 years slashed appetite for industrial and transportation fuels in Asia's biggest oil consuming nation.

Global oil and gas deal activity in 2016 recovered from a slow start to the year with help from the announcements of midstream and oilfield services (OFS) megadeals. Deal value increased in 2016 to US$395 billion from US$340 billion in 2015, while deal volume fell by 27% year-on-year.

Royal Dutch Shell’s fourth quarter 2016 CCS earnings attributable to shareholders were $1.0 billion compared with $1.8 billion for the same quarter a year ago. Full year 2016 CCS earnings attributable to shareholders were $3.5 billion compared with $3.8 billion in 2015.

Brent crude LCOc1 was up 25 cents at $55.83 a barrel at 0954 GMT, having traded in a narrow 53-cent range so far in the session. U.S. crude CLc1 rose 26 cents to $53.07.

Exxon Mobil Corporation today announced estimated 2016 earnings of $7.8 billion, or $1.88 per diluted share. An asset recoverability review was completed in the fourth quarter and resulted in a U.S. Upstream asset impairment charge of about $2 billion mainly related to dry gas operations with undeveloped acreage in the Rocky Mountains region of the U.S. Excluding the impairment charge, full year earnings were $9.9 billion compared with $16.2 billion a year earlier, reflecting lower commodity prices and refining margins.

Brent crude oil LCOc1 was down 20 cents a barrel at $55.03 by 0900 GMT. U.S. light crude CLc1 was down 30 cents a barrel at $52.33.

London Brent crude for March delivery had dropped 28 cents to $55.24 a barrel by 0657 GMT, after settling down 72 cents on Friday. NYMEX crude for March delivery was down 23 cents at $52.90 a barrel.