Financial Times | Freeport McMoRan Oil & Gas Inc. Files for IPO Wall Street Journal The oil-and-gas explorer and producer is owned by mining and energy company Freeport-McMoRan Inc. The IPO plans come roughly two years after Freeport-McMoRan acquired Plains Exploration & Production Company and McMoRan Exploration Co. in ... Freeport-McMoRan Oil & Gas files for IPO of up to $100 million CompaniesFreeport-McMoRan to sell shares in oil & gas unit Freeport-McMoRan Oil & Gas Inc. Files Registration Statement for Initial ... |