Before revision: The research project accesses data from the actual CO2-enhanced oil recovery operations in the Weyburn oil field ( operated by Cenovus Energy of Calgary ), and after the year 2005 from the adjacent Midale field (operated by Apache Canada).
After revision: formerlybefore its Saskatchewan operations were sold to Whitecap Resources in 2017The research project accesses data from the actual CO2-enhanced oil recovery operations in the Weyburn oil field ( operated by Cenovus Energy of Calgary ), and after the year 2005 from the adjacent Midale field (operated by Apache Canada).