Petroleum industry in Nigeria to transport the crude oil. Also because of the lack of highly productive fields, money from the jointly operated (with the federal government) companies is constantly directed towards petroleum exploration and production. Nigeria's petroleum is classified mostly as "light" and "sweet", as the oil is largely free of sulphur. Nigeria is the largest producer of sweet oil in OPEC. This sweet oil is similar in composition to petroleum extracted from the North Sea. This crude oil is known as "Bonny light". Names of other Nigerian crudes, all of which are named according to export terminal, are Qua Ibo, Escravos blend,
Brass River must be made with the kings ... The slave trade up the Brass is carried on by agents from the and from the Havannah. King Peppel seldom makes good his engagements, He may be concerned in the slave trade on the Brass River. There have been no slave vessels at Bonny since the treaty with King Peppel, and the trade in the creeks of the Brass River is much reduced." The report included the testimony of Captain Gentle Brown, who said, On 17 November 1856 Thomas Joseph Hutchinson, Her Britannic Majesty's Consul for the Bight of Biafra and the Island