The United States of Oil

By John Lippert - 2013-04-02T12:33:57Z

Photograph by Spencer Lowell/Bloomberg Markets

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Separating the Mixture   

Denbury's processing plant south of Houston separates the mixture recovered by injecting carbon dioxide into wells at its Hastings field. The company sends the oil to a pipeline for shipping to customers, recycles some CO2 back through the reservoir and injects water deep underground to protect higher-level aquifers.