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CO2 Enhanced Oil Recovery in Wyoming: 2020 Update

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CO2 Enhanced Oil Recovery in Wyoming: 2020 Update

• Nine different reservoirs in seven fields have employed fieldwide CO2 EOR in Wyoming.
• Between 2010 and 2020, incremental oil recovery from the nine CO2 EOR projects accounted for over 10% of Wyoming’s total oil production.
• Wyoming is not constrained by CO2 sources that can be used for EOR projects.
• Wyoming is also not constrained by fields potentially amenable to CO2 EOR.
• Wyoming is not constrained by pipeline capacity for additional CO2 transport, but is hampered by the existing pipeline system not reaching many of the best-potential fields, especially in the Big Horn Basin.
• The most successful CO2 floods resulted from proper reservoir characterization and associated optimized project design. Wyoming has seen incremental oil recovery from individual CO2 EOR projects as high as 18% of OOIP and volumes as high as 30 million barrels.
• Where net CO2 efficiencies could be calculated, CO2 efficiency is as low as 6 Mcf/bbl of incremental oil recovered, which compares very favorably to other successful projects around the world.

File Name: eori-library/data/CO2-EOR-in-Wyoming-Update-2020.pdf
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Author: Eric P. Robertson
Publication Year: 2022
Field: Beaver Creek, Big Sand Draw, Grieve, Salt Creek, Lost Soldier, Wertz, Patrick Draw
Basin: Powder River, Wind River and Green River
State: Wyoming