REUTERS/Rick Wilking
Diezani Alison-Madueke is the current president of OPEC in addition to the Nigerian oil minister. She told the FT that if the price "slips any further it is highly likely that I will have to call an extraordinary meeting of Opec in the next six weeks or so."
Currently the next scheduled OPEC meeting is in June.
The last time the cartel met, in November 2014, its decision to hold production at 30 million barrels a day set off a huge slide in the price of brent crude.