CASPER — Two companies are getting ready to boost production from a central Wyoming oil field by pumping carbon dioxide underground.
The companies are Elk Petroleum and Denbury Resources, which co-own the Grieve oil field 50 miles west of Casper.
The companies seek to extract up to 24 million barrels of oil from the old field using a technique known as enhanced oil recovery.
The Casper Star-Tribune reports the U.S. Bureau of Land Management recently provided the last major permitting for the CO2-injection project.
Enhanced oil recovery has been successful elsewhere in Wyoming. The technique has helped to revive the more than century-old Salt Creek oil field near Casper.