Offshore Oil Production In Nigeria's Agbami Deepwater Oilfield

An employee walks along an upper level walkway aboard the Agbami floating oil production, storage and offloading vessel (FPSO), operated by Chevron Corp., in the Agbami deepwater oilfield in the Niger Delta, Nigeria, on Wednesday, Dec. 2, 2015. Nigeria plans to review agreements for deep offshore oil production to seek more favorable terms in line with the latest industry standards, state-owned Nigerian National Petroleum Corp. said. Photographer: George Osodi/Bloomberg via Getty Images