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
Lam Qua painter to settle in China – although Chinnery himself denied this. Lam Qua became well-known and skilled in Chinnery's style of portraiture. He developed a following among the international community, and undercut Chinnery's prices. From 1836 to 1855, Lam Qua produced a series of medical portraits of patients under treatment with physician Peter Parker, a medical missionary from the United States. Parker commissioned Lam Qua to paint pre-operative portraits of patients who had large tumors or other major deformities. Some of the paintings are now part of a collection of Lam Qua's work held by the Yale University in the