Cenovus Energy, Inc. is a Canadian-based integrated energy company, which engages in the provision of gas and oil. The company is headquartered in Calgary, Alberta and currently employs 7,211 full-time employees. The company went IPO on 2009-09-12. Its operations include conventional oil & natural gas, oil sands & heavy oil, offshore, upgrading & refining, value chain and products. The company is a significant natural gas producer in the Western Canadian Sedimentary Basin, holding a portfolio of more than 3 million net acres across Alberta and British Columbia, including assets in the Deep Basin, Montney and Rainbow Lake. The company has three producing oil sands projects in Alberta: Christina Lake, Foster Creek and Sunrise, and thermal and heavy oil operations at Lloydminster in Saskatchewan. The company has operations and exploration prospects offshore in the Asia Pacific region and Newfoundland and Labrador. Its operations include Lloydminster Refinery, Lloydminster Upgrader, Lima Refinery, Superior Refinery and Toledo Refinery.