Petroleum industry in Nigeria to transport the crude oil. Also because of the lack of highly productive fields, money from the jointly operated (with the federal government) companies is constantly directed towards petroleum exploration and production. Nigeria's petroleum is classified mostly as "light" and "sweet", as the oil is largely free of sulphur. Nigeria is the largest producer of sweet oil in OPEC. This sweet oil is similar in composition to petroleum extracted from the North Sea. This crude oil is known as "Bonny light". Names of other Nigerian crudes, all of which are named according to export terminal, are Qua Ibo, Escravos blend,
Nun River At the turn of the century, however, the river mouth silted heavily, blocking the passage. Subsequently, traders began using the more accessible waters of the Forcados River. The Nun River is immortalised in the poetry of Gabriel Okara. His poem "The Call of the River Nun" is a nostalgic ode to the river that passes through his home. Nun River The Nun River is a river in Rivers State, Nigeria. The Nun is formed when the Niger River splits in two, forming the Nun and Forcados rivers. Upon emerging from its parent river, Niger, the Nun River flows for almost