Norman Funkhouser McGill University Historical facts regarding EOR well cementing More than 35 years of EOR experiences More than 15 000 CO 2 EOR well in USA 9000 ppg j roducing 6000 injectors Portland based formulations have been used in all the above wellsthe above wells Various 3rd party studies of CO 2EOR operation in th USA h t d t t d id f COthe USA have not detected