Marathon Oil in North America, including $600 million in the Eagle Ford and $200 million in the Bakken formation. The company owns 277,000 net acres in the Bakken formation. Marathon began as The Ohio Oil Company in 1887. In 1889, it was purchased by John D. Rockefeller's Standard Oil. It remained a part of Standard Oil until Standard Oil was broken in 1911. In 1930, The Ohio Oil Company bought the Transcontinental Oil Company and established the "Marathon" brand name. In 1962, the company changed its name to "Marathon Oil Company". In 1982, Mobil made a hostile offer to buy the company;
Standard Oil of Kentucky in the US Supreme Court case "Standard Oil Co. of New Jersey v. United States" in 1911, Kyso was spun off to market to the states of Kentucky, Georgia, Florida, Alabama, and Mississippi. As was common at the time, though no longer controlled by a single entity, the various "Baby Standards" still continued to cooperate. For example, Kyso was supplied by fellow "Baby Standard" Standard Oil of New Jersey, better known as Esso. The company avoided the consolidation prevalent in the industry throughout the first half of the century, and continued to sell various Esso and Mobil Oil products. In