Where is the headquarters of the company responsible for the Red Butte oil spill?
Chevron Corporation Chevron Corporation () is an American multinational energy corporation. One of the successor companies of Standard Oil, it is headquartered in San Ramon, California, and active in more than 180 countries. Chevron is engaged in every aspect of the oil, natural gas, and geothermal energy industries, including hydrocarbon exploration and production; refining, marketing and transport; chemicals manufacturing and sales; and power generation. Chevron is one of the world's largest oil companies; as of 2014 , it ranked third in the Fortune 500 list of the top US closely held and public corporations and sixteenth on the Fortune Global 500 list of the top 500 corporations worldwide. It was also one of the Seven Sisters that dominated the global petroleum industry from the mid-1940s to the 1970s.
Plains Exploration &amp; Production Plains Exploration & Production was an American petroleum company based in Houston, Texas. A spin-off from Plains Resources, Inc., the company was founded in 2002. Its operations, as of 2009, were all in North America, including California, Texas, Louisiana, Wyoming, and offshore of California and in the Gulf of Mexico. The company reported proved reserves of 292 million barrels of oil equivalent (BOE) at the end of 2008, with a potential total of over 2.2 billion BOE. In 2007, it was the fourth-largest oil producer in California (behind Chevron Corp., Aera Energy, and Occidental Petroleum). It was acquired by Freeport-McMoRan in May 2013, at which time the former properties of PXP became part of the FCX Oil & Gas Inc. (FM O&G) division of Freeport-McMoRan.