The total volume of transported oil increased by 1.5%.
Traders are awaiting data on the US oil stocks, which will be released only on Friday.
The Donald Trump administration has consistently supported the construction of the pipeline.
Prime Minister of Belarus Roman Golovchenko expects Minsk and Moscow to conclude all oil supply contracts by the end of 2020.
The tariff and contractual terms between the parties for the next year are in accordance with the current contract.
This infrastructure may be excluded from the priority projects.