2009: Oil battles on the Niger Delta region
27 September 2010 Last updated at 13:26 BST
Nigeria is Africa's leading oil producer but the trade in stolen oil has fuelled violence and corruption in the Niger delta - the home of the industry.
Few Nigerians, including those in oil-producing areas, have benefited from the oil wealth.
Watch an excerpt from Sue Lloyd-Roberts' Newsnight report from January 2009.