Traders said the market was range-bound as falling crude inventories provided price support while high output was capping gains.
Brent crude futures, the international benchmark for oil prices, were at $51.01 per barrel at 0023 GMT, up 21 cents, or 0.4 percent, from their last close.
Brent crude futures, the international benchmark for oil prices, were at $51.94 per barrel at 0253 GMT, down 16 cents, or 0.3 percent, from their last close.
Traders said sufficient stocks position against sporadic demand mainly kept edible and non-edible oil prices steady.
The shipping ministry has allowed the country's largest oil firm to import one parcel or cargo of crude oil from the US every month in foreign ships, said a senior oil ministry official.
Brent crude, the global benchmark, was up 8 cents, or 0.15 percent, at $52.78 at 0015 GMT. It closed 1.1 percent higher on Wednesday, snapping two days of declines.
The organisation said in a statement late yesterday that the United Arab Emirates, Iraq, Kazakhstan and Malaysia agreed to fully cooperate with committees charged with monitoring adherence to production targets with the aim of reaching "full conformity."
Benchmark Brent crude was down 21 cents, or 0.4 percent, at $51.93 a barrel at 0027 GMT. In the previous session, it settled down 0.4 percent.
Global benchmark Brent crude futures were down 18 cents, or 0.3 percent, at $52.19 a barrel by 0038 GMT after dipping 0.1 percent in the previous session.
Global benchmark Brent crude futures were down 6 cents, or 0.11 percent, at $52.36 a barrel at 0309 GMT.
The National Green Tribunal has directed three public sector oil companies to submit complete information regarding 10-year-old diesel trucks they use to transport fuel and asked them to produce scrapping certificate to prove that they have dismantled their old vehicles
State-owned Indian Oil Corporation (IOC) said its board approved Rs 15,034 crore investment to expand its Gujarat refinery by 2022.
It took nearly two years for the Indian rupee to finally break the psychological 64 level. The rupee has been one of the strongest currencies in the world in 2017.
Benchmark Brent crude settled down 35 cents a barrel at $52.01 a barrel. U.S. light crude was 56 cents lower at $49.03. U.S. crude traded at a session high of $49.96 a barrel.
Strong demand in the United States provided prices with support, traders said, but ongoing high supplies from OPEC producers were restricting further gains.
U.S. West Texas Intermediate (WTI) crude futures were at $48.85 per barrel at 0046 GMT, down 31 cents, or 0.6 percent, from their last settlement. That came after the contract opened above $50 for the first time since May 25 on Tuesday.
After a slow start to the year, global oil demand recovered in the second quarter of 2017 and was expected to grow by 1.4 to 1.5 million barrels per day, Brian Gilvary told Reuters.
U.S. West Texas Intermediate (WTI) crude futures were at $50.26 per barrel at 0532 GMT, up 9 cents, or 0.2 percent, from their last close. That marks the first time U.S. crude has opened above $50 per barrel since May 25.
The world's second-largest oil company by market capitalisation said in a statement responding to questions from Reuters that "approximately 400 (staff) are potentially at risk of redundancy during the last quarter of 2017/first half of 2018".
Brent crude futures, the international benchmark for oil prices, were at $52.67 per barrel at 0247 GMT on Monday, up 15 cents or 0.3 percent. Prices hit $52.76 per barrel earlier in the day, their highest since May 25.
Brent crude futures were down 6 cents, or 0.1 percent, at $50.91 a barrel at 0340 GMT, after rising about 1.5 percent in the previous session.
Brent crude futures had risen 36 cents, or 0.7 percent, to $50.56 a barrel by 0332 GMT, after rallying more than 3 percent on Tuesday.
Brent crude futures rose $1.60 or 3.3 percent to settle at $50.20 a barrel, the first time the benchmark closed above $50 since June 6. U.S. West Texas Intermediate futures rose $1.55 or 3.3 percent to settle at $47.89 a barrel, the highest close for that benchmark since early June.
London Brent crude for September delivery was up 7 cents at $48.67 a barrel by 0039 GMT after settling up 54 cents or 1.1 percent on Monday.
The car maker has already sought help from various ministries, including Ministry of Road Transport and Highways, which has asked them to get in touch with oil and gas firms.