Chevron Corporation (Chevron) is an integrated oil and gas company involved in the exploration and production of crude oil and natural gas; the refining and transportation of crude oil and natural gas; and the manufacture of petroleum products. The company's exploration and production operations are primarily located in Angola, Argentina, Australia, Azerbaijan, Bangladesh, Brazil, Cambodia, Canada, Chad, China, Colombia, the Democratic Republic of the Congo, Denmark, Indonesia, Kazakhstan, Myanmar, the Netherlands, Nigeria, Norway, the Partitioned Zone between Saudi Arabia and Kuwait, the Philippines, the Republic of the Congo, Singapore, South Africa, South Korea, Thailand, Trinidad and Tobago, the UK, the US, Venezuela, and Vietnam. The company's total production and reserves were 975.5 MMboe and 11,235.5 MMboe in 2011, respectively.