Horizon Oil Sands

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Horizon Oil Sands is an oil sands mining and upgrading project in Bitumount, Alberta, Canada. The project includes a surface oil sands mining and bitumen extraction plant, complemented by on-site bitumen upgrading with associated infrastructure.{{Cite web |url=http://www.cnrl.com/operations/north-america/horizon-oil-sands.html |title=Canadian Natural Resources - Horizon Oil Sands |access-date=2012-12-25 |archive-url=https://web.archive.org/web/20150923205042/http://www.cnrl.com/operations/north-america/horizon-oil-sands.html |archive-date=2015-09-23 |url-status=dead }}

Initial examination of the Horizon project began in 2004. Construction started in 2005 and it started operating on February 28, 2009.{{cite news |url=https://www.cbc.ca/news/canada/the-horizon-oil-sands-site-1.1093604 |title=The Horizon Oil Sands site |publisher=CBC News |date=January 7, 2011 |access-date=December 24, 2012}}

Horizon is owned and operated by Canadian Natural Resources. The company holds leases that are estimated to contain approximately {{convert|14.4|Goilbbl}} of bitumen initially in place (BIIP), with best estimate contingent resources other than reserves of {{convert|4.1|Goilbbl}} of bitumen and {{convert|3.3|Goilbbl}} of proved and probablereserves. The Horizon Oil Sands are located on these leases just north of Fort McMurray, Alberta in the Athabasca region.