A significant purchase of crude oil has been made by Dangote oil refinery. The refinery bought 16 million barrels of Nigerian crude, according to sources. This purchase is for the month of October.

Further details about this transaction are available from Reuters. The sources of this information have provided some insight into the refinery's activities, but more context can be found through the original report.

The purchase amount is notable, with 16 million barrels acquired. For more information about this development, readers can refer to the original source.