Candeias Oil Well (C-1)
The Candeias Oil Well (C-1), discovered on December 13, 1941, is located in the municipality of Candeias, in the interior of the state of Bahia. == Context and discovery == Drilled on June 30, 1941, the Candeias Oil Well 1 (C-1) was the first commercial exploration well and the first oil field in Brazil.