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 vessels of draft. It was often used by merchant steamers trading on the Niger, since the entrance of the Brass was easier than that of the Nun. Many factories lay on the east shore of the Brass just inside the entrance, handling the extensive trade in palm oil and ivory. At that time Akedo, about above cape Nun, was the market place for traders from the Brass river. The town of Twon-Brass lies near the mouth of the Brass River. This was a slaving port in the early 19th century, and later a collection point for palm oil and kernels.