Futures for Brent crude oil climbed 0.27 percent to $ 51.74 a barrel.
Futures for American oil WTI by this time traded at $ 49.38 per barrel, 0.3 percent higher than the previous closing.
Today, investors are waiting for signals about the extension of the global oil pact. Earlier last week, the OPEC leader Saudi Arabia and Kuwait made it clear that the oil export cartel is planning to extend the deal.
According to JPMorgan analysts, OPEC "will have to prolong or possibly increase (reduction production) within the pact, if they want prices (for oil) to be much higher than $ 50 per barrel."

The euro rose 0.16% to $ 1,0884 after the centrist Macron beat Le Pen.
The dollar index rose 0.03% to 99.13 in anticipation of details of Trump's tax reform.
The US dollar strengthened against the Canadian dollar by 0.36% to $ 1.3549 against the backdrop of US duties on imports of softwood.
The pair USD / JPY is trading above the 110 level. The focus is on the situation on the Korean peninsula.
The pound is stable just below the level of $ 1.28 in anticipation of the early parliamentary elections on June 8.

During today's Asian trade, the dollar-to-euro exchange rate is stable after a 1.3% drop the day before on the results of the first round of the presidential elections in France.
The euro was given $ 1,0867 compared with $ 1,0868 at the close of the previous session. Earlier in the course of trading, the euro rate fell to $ 1,0851.
Traders are waiting for news from the US, where tomorrow the tax reform plan may be made public. According to the media, US President Donald Trump, within the framework of the tax reform, will propose to reduce the corporate profit tax to 15% from the current 35%.
The US administration considers tax cuts to be a higher priority than limiting the size of the budget deficit, writes the Financial Times. However, such an approach may not find support in Congress.
The dollar exchange rate against the yen rose to 110.21 yen compared with 109.77 yen the day before.
Euro at the same time went up to 119.77 yen against 119.29 yen on Monday.
HSBC experts believe that the victory of E. Macron in the second round will lead to a stable strengthening of the euro. According to their forecast, by the end of 2017, the euro will be worth $ 1.2, which is the maximum since the beginning of 2015.

In February, the production of refined nickel in the world was less than consumption, according to preliminary calculations by the International Nickel Study Group (INSG).The output of nickel was 164.6 thousand tons, while demand was at the level of 169 thousand tons. Thus, the shortage of metal in the global market amounted to 4.4 thousand tons.The aggregate deficit in January-February amounted to 5,500 tons against an overabundance of 9.4 thousand tons over the same period in 2016, according to the Times of India.
INSG is an independent intergovernmental organization, which was founded in 1990 and is located in Lisbon (Portugal). The members of the group are countries that manufacture, consume and trade in nickel: Australia, Brazil, Germany, Greece, Italy, Cuba, Norway, Portugal, Russia, UK, Finland, France, Sweden, Japan, and the European Union.