page_title: Conoco
section_title: History
hierarchical_section_title: Conoco / History
caption_attribution_description: Title: [Offshore oil well drilling platform, Continental Oil Co., C.A.T.C., Gulf of Mexico] Creator: Richie, Robert Yarnall Date: March 23, 1955 Part Of: Robert Yarnall Richie Photograph Collection Place: Gulf of Mexico Physical Description: 1 negative: film, black and white; 13.4 x 10.2 cm. File: ag1982_0234_4135_08_continentalpltf_sm_opt.jpg Rights: Please cite Southern Methodist University, Central University Libraries, DeGolyer Library when using this image file. A high-quality version of this file may be obtained for a fee by contacting degolyer@smu.edu. For more information, see: &lt;a href="http://digitalcollections.smu.edu/cdm/ref/collection/ryr/id/702" rel="nofollow"&gt;digitalcollections.smu.edu/cdm/ref/collection/ryr/id/702&lt;/a&gt; View the Robert Yarnall Richie Photograph Collection &lt;a href="http://digitalcollections.smu.edu/all/cul/ryr/" rel="nofollow"&gt;digitalcollections.smu.edu/all/cul/ryr/&lt;/a&gt;
context_page_description: Conoco is a major American brand of oil and gas station owned by Phillips 66.
context_section_description: The Continental Oil and Transportation Company was founded by Isaac Elder Blake  in 1875. Based in Ogden, Utah, the company distributed oil, kerosene, benzene, and other products in the western United States.  Continental Oil Company was acquired by Standard Oil Company in 1884 and was spun off from Standard Oil during the Standard Oil divestiture in 1911. The main office was later moved to Ponca City, Oklahoma, when in 1929, Marland Oil Company (founded by exploration pioneer E. W. Marland) acquired the Continental Oil Company. Marland Oil acquired the assets (subject to liabilities) of Continental Oil Company for a consideration of 2,317,266 shares of stock. At that time, Marland Oil changed its name to Continental Oil Company. The acquisition gave Conoco the red triangle symbol previously used by Marland which would become Conoco's logo from 1930 to 1970, when the now-familiar capsule logo was adopted.
  The company ran into early trouble when, shortly after acquisition, it was hit by the Great Crash of October 1929. Conoco became a key supplier to the United States government during World War II.
  Under the leadership of Leonard F. McCollum, Conoco grew from a regional company to a global corporation in the years after World War II. Another rough patch for the company came during the 1970s oil crisis, from which it did not recover until 1981, when Conoco became a subsidiary of former rival DuPont.
  In 1981, cash rich and wanting to diversify, Seagram Company Ltd. engineered a takeover of Conoco. Although Seagram acquired a 32.2% stake in Conoco, DuPont was brought in as a white knight by the oil company and entered the bidding war. In the end, Seagram lost out in the Conoco bidding war. In exchange for its stake in Conoco Inc, it became a 24.3% owner of DuPont. By 1995, Seagram was DuPont's largest single shareholder with four seats on the board of directors.
  In 1998, DuPont and Conoco parted ways. When the independent Conoco went public in October 1998, under a retooled name, Continental Oil Company, it resulted in the largest IPO in history. Conoco bought what was left of Gulf Oil's Canadian operations in 2002. Conoco merged with Phillips Petroleum Company in 2002 to form ConocoPhillips.
caption: Conoco offshore oil well drilling platform, Gulf of Mexico, 1955.
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