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 new trade. The prominent Nigerian journalist and nationalist John Payne Jackson at first wanted to be a merchant. After traveling throughout West Africa, in the late 1860s he found work with the prominent Lagos merchant J. S. Leigh. He was sent to the Brass River in the 1870s to manage Leigh's station there. Jackson branched out into trading palm products on his own account, but was forced out of business by European competitors, an experience that may have affected his outlook towards Europeans. S. A. Crowther, Bishop of Niger Territory, reported in 1885 that the native converts at Nembe, Brass