Cold lake profitability improvement

摘要

For over 30 years, Imperial Oil Limited has been pioneering the extraction of a very heavy grade of oil known as bitumen from the Alberta oil sands in the Cold Lake area. FOr close to 10 years, a world scale commercial project has operated, employing a thermal recovery process known as "cyclic steam stimulation" (CSS). This process involves alternating periods of steam injection and production, both through the same wellbore.