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;
The History of the Standard Oil Company independents who became one of Rockefeller's colleagues, as well as others close to the inner workings of Standard Oil, that included one of the founders Frank Barstow as well. Eventually, Tarbell uncovered a crucial piece of evidence proving that Standard Oil was rigging railroad prices and preying on its competition. Public outcry erupted at the conclusion of Tarbell's 19-part exposure of Standard Oil published in "McClure's," eventually resulting in the expedited breakup of Standard Oil in 1911. Journalists, politicians, and citizens alike celebrated the accomplishments of Tarbell - a woman "outside" the inner workings of business and without significant money