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Oil and the Best Brain of the 20th Century
Energies 2010, 3(9), 1529-1575; doi:10.3390/en3091529

Enhanced Oil Recovery: An Update Review

1,*  and 2
1 Department of Chemical and Petroleum Engineering, University of Wyoming, Department 3295, 1000 E. University Ave, Laramie, WY, USA 2 TIORCO (NALCO & STEPAN Company), 2452 Trenton Way, Suite M, Denver, CO 80231, USA
* Author to whom correspondence should be addressed.
Received: 27 June 2010 / Accepted: 10 August 2010 / Published: 27 August 2010
(This article belongs to the Special Issue Oil Recovery)
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With the decline in oil discoveries during the last decades it is believed that EOR technologies will play a key role to meet the energy demand in years to come. This paper presents a comprehensive review of EOR status and opportunities to increase final recovery factors in reservoirs ranging from extra heavy oil to gas condensate. Specifically, the paper discusses EOR status and opportunities organized by reservoir lithology (sandstone and carbonates formations and turbiditic reservoirs to a lesser extent) and offshore and onshore fields. Risk and rewards of EOR methods including growing trends in recent years such as CO2 injection, high pressure air injection (HPAI) and chemical flooding are addressed including a brief overview of CO2-EOR project economics.
Keywords: enhanced oil recovery; EOR; reservoir lithology; CO2; steam injection; air injection; chemical flooding enhanced oil recovery; EOR; reservoir lithology; CO2; steam injection; air injection; chemical flooding
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Alvarado, V.; Manrique, E. Enhanced Oil Recovery: An Update Review. Energies 2010, 3, 1529-1575.

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