This Alberta Official Statistic describes investment (capital expenditures) in Alberta’s Oil and Gas Industry. Oil and Gas Industry data is obtained from Statistics Canada. Statistics Canada reports this data under the North American Industry Classification System (NAICS) sub-sector 211 (Oil and Gas Extraction). The “Oil and Gas Extraction” sub-sector consists of “Conventional Oil and Gas Extraction” national industry (NAICS 211113) and “Non-Conventional Oil Extraction” (or oil sands) national industry (NAICS 211114).