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 Vacuum Oil Company refineries in Indonesia) merged their interests in the Far East into a 50–50 joint venture. Standard-Vacuum Oil Co., or "Stanvac," operated in 50 countries, including New Zealand, China, and the region of East Africa, before it was dissolved in 1962. In 1937 the Standard Vacuum Oil Company of New York helped establish and fund an exploration team to explore for oil in China. They joined with some wealthy Chinese backers who had an oil concession covering several provinces in north-western China, to make an assessment of recent oil discoveries and to possibly join them in the development of oil resources