Based on feasibility studies curried out, which took into consideration the consumption of various petroleum products within the Northern zone, and the adequate means of disposal for the surplus products. A crude oil capacity of 42,000 barrels per stream day (BSPD) could be easily justified. Hence, the refinery was designed for the capacity of 60,000 barrels per stream day (BSPD). It was much later that the federal Government decided that the capacity for more barrels per stream day (BSCD) which would have led to the production of large equinity of heavy ends and no one practical and variable solution is reprocessing the heavy fuel. In order to do this, the whole project plan had to be modified so that what initially was planned to be a simply shydrosking type of refinery developed into integrated refinery. The refinery would now be able to produce a wider variety of petroleum products, some of which should be lubricating base oil. Hence, it becomes necessary to import suitable paraffin base crude oil from Venezuela, Kuwait, or Saudi Arabia.
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