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 independent companies it controlled. The evidence is, in fact, absolutely conclusive that the Standard Oil Co. charges altogether excessive prices where it meets no competition, and particularly where there is little likelihood of competitors entering the field, and that, on the other hand, where competition is active, it frequently cuts prices to a point which leaves even the Standard little or no profit, and which more often leaves no profit to the competitor, whose costs are ordinarily somewhat higher. On May 15, 1911, the US Supreme Court upheld the lower court judgment and declared the Standard Oil group to be