GeoPark Limited is an oil and natural gas exploration and production (E&P) company that operates in Latin America. The Company operates in Colombia, Chile, Brazil, Peru and Argentina.The Company has a portfolio of assets that includes interests in 24 hydrocarbon blocks, 23 of which are onshore blocks, including 7 in production as of December 31, 2017. It also has interests in shallow-offshore concession in Brazil that includes the Manati Field.The Company operates through five geographical segments: Colombia, Chile, Brazil, Peru and Argentina. The Company’s operations in Colombia include Eastern Llanos Basin, Llanos 34 Block, La Cuerva Block, Yamu Block, Llanos 32 Block, Abanico Block and VIM-3 Block. The Eastern Llanos Basin is a Cenozoic Foreland basin in the eastern region of Colombia. The Company’s Llanos 34 Block covers approximately 333 square kilometers. Its La Cuerva Block covers approximately 99.1 square kilometers. Its Yamu Block covers approximately 22.6 square kilometers.