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 of Kentucky out of use. In 2010, Chevron discontinued its retailing operations in Kentucky, leaving ownership of the Standard trademark in Kentucky in limbo. Though now a defunct brand, Kyso road maps published during the company's prominence in the 1930s and 1940s, are highly sought after by map collectors. Standard Oil of Kentucky The Standard Oil Company of Kentucky was incorporated on October 8, 1886 under Kentucky laws. It was founded as a division of the Standard Oil Trust to handle the assets of the Chess, Carley & Company, which Standard had acquired to handle product marketing and distribution for the southeastern