What is Enhanced Oil Recovery?
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Presentation1\09 JAN 2015\3:34 PM\2
Enhanced Oil Recovery is the injection of substances (other than water or natural gas) to increase the production of crude oil from existing oil reservoirs and extend field life
Remaining Oil 45% Primary 20% Secondary Recovery (Waterflood) 18% Tertiary Recovery (CO2-EOR) 18%
Source Denbury Resources Investor Presentation (June 2013) Source U.S. Department of Energy, National Energy Technology Laboratory, Carbon Dioxide Enhanced Oil Recovery Primer (March 2010)
Full-Cycle Oil Reservoir Development: An Example
Denver Unit of the Wasson Field in West Texas (Shell Oil)
Primary Recovery Secondary Recovery Tertiary Recovery Natural reservoir pressure or gravity Water or natural gas injection Injection of gas or chemicals or application of heat/steam
Notes Provided for informational purposes only and is not an offer, or a solicitation of an offer, to buy or sell any security or strategy. All investing involves risks