Beaver Creek Unit

The Beaver Creek Unit is a CO₂-enhanced oil recovery (CO₂-EOR) project located in central Wyoming within the Wind River Basin region near Riverton. The project targets the Madison carbonate reservoir, a deep fractured limestone/dolomite system characterized by strong structural relief and gravity-stable flow behavior suitable for miscible CO₂ injection. The field transitioned from primary/secondary production to tertiary recovery using CO₂ flood techniques incorporating peripheral injection patterns combined with water-alternating-gas (WAG) processes to improve sweep efficiency and control mobility. CO₂ injection leverages regional supply infrastructure tied to Wyoming’s natural CO₂ sources and pipeline networks serving multiple Rocky Mountain EOR projects. Development of the Beaver Creek CO₂ flood focuses on incremental recovery from mature carbonate reservoirs while simultaneously achieving significant long-term CO₂ storage; estimates suggest approximately 9.9 million tonnes of CO₂ sequestered with incremental recovery of roughly 15.9 million barrels of oil associated with tertiary operations.