https://www.ogj.com/articles/2018/04/grieve-field-starts-eor-flood.html
Elk Petroleum Ltd. said enhanced oil recovery flooding has started at Grieve field’s carbon dioxide EOR project near Casper, Wyo. Initially water is being produced, which will be followed by oil production that is anticipated to ramp up to about 2,100 b/d by Dec. 31.