Title: CO2-EOR Offshore Resource Assessment
Publication Number: DOE/NETL-2014/1631
Publication Date: 01/2014
Publication Type: Report/Publication
Contact: Phil DiPietro
Program/Technology: Climate Change
Oil & Natural Gas
Carbon Sequestration
Author: Taylor Malone and Vello Kuuskraa
Synopsis: This paper evaluates the recoverable crude oil resource associated with applying carbon dioxide enhanced oil recovery (CO2 EOR) to reservoirs in the offshore Gulf of Mexico (GOM).  The database used in the study (maintained by the Bureau of Ocean Energy Management (BOEM)) contains 531 oil fields with a total original oil in-place (OOIP) of 69 billion barrels, plus an additional 182 billion barrels of OOIP as the undiscovered resource.  Under a scenario with CO2 EOR performance consistent with Current CO2 EOR Technology, the economically recoverable resources (ERR) is 0.8 billion barrels, a small fraction of the technically recoverable resource of 23.5 billion barrels.  The average efficiency of CO2 use in the ERR oil fields is estimated to be 7.2 Mscf/bbl and the associated demand for CO2 supply is 5.8 TCF.  Under a scenario with Next Generation CO2 EOR performance, the ERR increases significantly to 14.9 billion barrels and 74 TCF of CO2 demand.
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