Petrobras (PBR) says it started production at the Chinook oil and gas field in the ultra-deep...

|About: Petrobras - Petroleo Brasil... (PBR)|By:, SA News Editor

Petrobras (PBR) says it started production at the Chinook oil and gas field in the ultra-deep waters of the Gulf of Mexico last week. The well is drilled in a resevoir nearly five miles deep - a world record depth - using advanced drilling technology to explore for oil in the extreme environment.