Los Angeles
11 November 2015
Marathon Oil sells Gulf of Mexico fields in $205m deal
An anonymous buyer secured most of Marathon Oil's GoM fields in a major restructuring by the US company
Marathon Oil has reached an agreement to sell most of its Gulf of Mexico (GoM) oilfields to an anonymous buyer in a deal worth around $205m. The company continues its transformation into a player focused more narrowly on shale in the US. The package includes its operating interest in the Ewing Bank cluster of producing fields; its non-operating 30% interest in the Neptune field; and its 50% interest in the Petronius field. The company produced around 17,000 barrels a day (b/d) in the GoM last year. The independent producer isn’t abandoning the GoM though. It is hanging on to its interests in the promising Shenandoah deep-water discovery in the Lower Tertiary section of the GoM and the Gunfli
Also in this section
13 March 2026
Brussels is again weighing a cap on gas prices amid the Hormuz crisis, but the measure could backfire by deterring the LNG cargoes Europe urgently needs
12 March 2026
Emergency oil stocks provide a last line of defence to oil market shocks, so the IEA’s unprecedented 400m bl release represents something of a double-edged sword
12 March 2026
LPG could rapidly expand access to clean cooking across Africa and prevent hundreds of thousands of deaths from indoor air pollution each year, but infrastructure shortages and regulatory barriers are slowing investment and market growth
11 March 2026
Missiles over Dubai and disruption in Hormuz are testing the emirate’s reputation—and shaking the energy hub at the centre of the Gulf economy






