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;
Midwest Oil Company Hotel Midwest Oil Company Hotel The Midwest Oil Company Hotel, at 136 East 6th Street in Casper, Wyoming, is an historic hotel building which was listed on the National Register of Historic Places in 1983. It has also served as the Casper Women's Club House. Originally built by the Midwest Oil Company to accommodate workers during the Casper oil boom, it was taken over by Standard Oil Company of Indiana when that company bought Midwest Oil. In the 1930s, in the waning days of oil production in Natrona County, a local women's organization bought the hotel for $8,000 and was renamed