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
Enclaves of Forcados and Badjibo families and servants. The lease was for a renewable period of thirty years in each case, and included conditions such as a requirement to enclose the area and to forbid retail trading. The annual rent was set at one franc per year. The enclaves were mentioned in French textbooks in 1926 and described as unoccupied in 1929. The leases were not renewed at the end of the initial thirty year period. The name 'Forcados' (meaning 'forked') was given to the area by the first Portuguese slave traders to explore the Niger delta in the current Bayelsa State. The leased area