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Investment in Oil and Gas Properties
3 Months Ended
Mar. 31, 2014
Extractive Industries [Abstract]  
Investment in Oil and Gas Properties

Note 9 — Investment in Oil and Gas Properties

In April 2013, we entered into an agreement to participate in the drilling of exploratory wells in Canada. Included in unevaluated oil and gas property costs at March 31, 2014 and December 31, 2013, were $11.3 million and $10.6 million, respectively, of capital expenditures related to our oil and gas property investments in Canada.