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 the region into a 50–50 joint venture. Standard-Vacuum Oil Co., or "Stanvac", operated in 50 countries, from East Africa to New Zealand, before it was dissolved in 1962. The original Standard Oil Company corporate entity continues in existence and was the operating entity for Sohio; it is now a subsidiary of BP. However, BP continued to sell gasoline under the Sohio brand until 1991. Other Standard oil entities include "Standard Oil of Indiana" which became Amoco after other mergers and a name change in the 1980s, and "Standard Oil of California" which became the Chevron Corp. The U.S. Supreme Court