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Information On Oil And Natural Gas Producing Activities
 12 Months Ended
Sep. 30, 2013
Information On Oil And Natural Gas Producing Activities [Abstract]  
Information On Oil And Natural Gas Producing Activities

10. INFORMATION ON OIL AND NATURAL GAS PRODUCING ACTIVITIES

 

All oil and natural gas producing activities of the Company are conducted within the United States (principally in Oklahoma and Arkansas) and represent substantially all of the business activities of the Company.

 

The following table shows sales through various operators/purchasers during 2013,  2012 and 2011.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2013

 

2012

 

2011

 

 

 

 

 

 

Southwestern Energy Company
20% 

 
15% 

 
9% 

Chesapeake Operating, Inc.
10% 

 
13% 

 
15% 

Devon Energy Corp.
7% 

 
10% 

 
9% 

Apache Corporation
6% 

 
4% 

 
2% 

Newfield Exploration
5% 

 
7% 

 
14%