Meet the illegal oil refiners of Nigeria

Nigeria cracks down on illicit oil refineries

FG Looking To Legalise Artisanal Refining Of Crude Oil

Nigeria's illegal oil refineries (2010)

Nigeria: Blast at illegal oil refinery kills at least 18

Illegal Oil Bunkering: NNS Delta Destroys 4 Illegal Oil Refineries

Nigerian acting president suggests offering employment to illegal refiners

African Billionaire in Standoff With Nigeria

Nigeria targets illegal refineries to curb pollution

Navy's Air Patrol Uncovers Illegal Refineries In Niger Delta -- 06/09/15

The Niger Delta, a war for crude oil

Explosion at illegal oil refinery depot in Nigeria kills over 100