Bonny Light oil Bonny Light oil Bonny Light oil is a high grade of Nigerian crude oil with high API gravity (low specific gravity), produced in the Niger Delta basin and named after the prolific region around the city of Bonny. The very low sulfur content of Bonny Light crude makes it a highly desired grade for its low corrosiveness to refinery infrastructure and the lower environmental impact of its byproducts in refinery effluent. Other grades of Nigerian crude oil are Qua Iboe crude oil, Brass River crude oil, and Forcados crude oil. The Cabinda crude oil is a common grade of crude
Brass River connected with the main Nun and Brass rivers by numerous winding rivulets. An account of the journey says, In 1838 the boats of H.M.S. "Viper" ascended the Brass river for about . They reported that it was wide, and deep. The banks were fringed with impenetrable mangroves. On the return voyage they were assisted by a current running at along the western shore. An 1842 report to the British House of Commons said that "Slaves may be taken from the Bonny to the Brass River, and are taken there; the Brass River is not under King Peppel, and separate treaties