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 - to ship his refined oil from Cleveland to New York City. In the winter months his only options were the three trunk lines - the Erie Railroad and the New York Central Railroad to New York City, and the Pennsylvania Railroad to Philadelphia. Competitors disliked the company's business practices, but consumers liked the lower prices. Standard Oil, being formed well before the discovery of the Spindletop oil field (in Texas, far from Standard Oil's base in the Mid-West) and a demand for oil other than for heat and light, was well placed to control the growth of the oil