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
20 February 2026
The country is pushing to increase production and expand key projects despite challenges including OPEC+ discipline and the limitations of its export infrastructure
20 February 2026
Europe has transformed into a global LNG demand powerhouse over the last few years, with the fuel continuing to play a key role in safeguarding the continent’s energy security, Carsten Poppinga, chief commercial officer at Uniper, tells Petroleum Economist
20 February 2026
Sempra Infrastructure’s vice president for marketing and commercial development, Carlos de la Vega, outlines progress across the company’s US Gulf Coast and Mexico Pacific Coast LNG portfolio, including construction at Port Arthur LNG, continued strong performance at Cameron LNG and development of ECA LNG
19 February 2026
US LNG exporter Cheniere Energy has grown its business rapidly since exporting its first cargo a decade ago. But Chief Commercial Officer Anatol Feygin tells Petroleum Economist that, as in the past, the company’s future expansion plans are anchored by high levels of contracted offtake, supporting predictable returns on investment






