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Segment Information and Major Customers
 12 Months Ended
Dec. 31, 2013
Segment Reporting [Abstract]  
Segment Information and Major Customers

10. Segment Information and Major Customers

The Company operates in one industry—oil and gas exploration, development, operation and servicing. The Company’s oil and gas activities are entirely in the United States.

The Company sells its oil and gas production to a number of purchasers. Listed below are the percent of the Company’s total oil and gas sales made to each of the customers whose purchases represented more than 10% of the Company’s oil and gas sales in the year 2013.

 

Oil Purchasers:

     

Gas Purchasers:

  

Plains All American Inc.

      52 %   

Atlas Pipeline Mid-Continent

     40 % 

Sunoco, Inc.

      28 %   

Unimark LLC

     13 % 

Although there are no long-term oil and gas purchasing agreements with these purchasers, the Company believes that they will continue to purchase its oil and gas products and, if not, could be replaced by other purchasers.