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 Co. of New Jersey v. United States significant constraint on competition by mere virtue of their size and market power, as implied by the Antitrust Act. Over a period of decades, the Standard Oil Company of New Jersey had bought up virtually all of the oil refining companies in the United States. Initially, the growth of Standard Oil was driven by superior refining technology and consistency in the kerosene products (i.e., product standardization) that were the main use of oil in the early decades of the company's existence. The management of Standard Oil then reinvested their profits in the acquisition of most of the refining capacity in