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 to the Santa Barbara River. The name was used specifically for Twon village on the Brass river, the route to the Nembe capital in the interior. In the 1884 and 1886 treaties "Brass" referred to the Nembe state. The Brass river was also called the Rio Bento, or St. John river. The Brass River is a branch, or distributary, of the Nun River, which flows to the west. The Nun River is itself a continuation of the Niger River, which divides into the Nun and Forçados Rivers about downstream from Aboh. The Brass leaves the east side of the Nun