Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v2.4.0.6
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2012
Accounting Policies [Abstract]  
Schedule of Revenue by Major Customers
The following table identifies customers to whom it sold a significant percentage (>10%) of its total crude oil and natural gas production during each of the years ended:
 
December 31,
 
2012
 
2011
 
2010
Shell Trading Company
39
%
 
45
%
 
44
%
Plains Marketing, L.P.
15
%
 
17
%
 
20
%
Enterprise Crude Oil, LLC
32
%
 
16
%
 
—
%
Louis Dreyfus Energy Services
2
%
 
4
%
 
13
%
Other
12
%
 
18
%
 
23
%
Total
100
%
 
100
%
 
100
%