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Title: An Assessment of Gate-to-Gate Environmental Life Cycle Performance of Water-Alternating-Gas CO2-Enhanced Oil Recovery in the Permian Basin
Publication Number: DOE/NETL-2010/1433
Publication Date: 09/2010
Publication Type: Report/Publication
Contact: Robert Dilmore
Program/Technology: Oil & Natural Gas
Carbon Sequestration
Author: Robert M. Dilmore (NETL)
Synopsis:

CO2-enhanced oil recovery (CO2-EOR) stimulates oil production while storing a portion of the injected CO2. Life cycle assessment was performed for three CO2-EOR scenarios to estimate the "gate-to-gate" greenhouse gas (GHG) emissions associated with water-alternating-gas injection in a typical Permian Basin reservoir. Current CO2-EOR "best practices" generate greenhouse gas (GHG) emissions of 71 kg CO2 equivalents (CO2E) per barrel of oil extracted - approximately three times greater than GHG emissions for the average barrel of domestic oil extracted in 2005.

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