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ACCOUNTS RECEIVABLE
12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
ACCOUNTS RECEIVABLE
ACCOUNTS RECEIVABLE:
In our capacity as operator for our co-venturers, we incur drilling and other costs that we bill to the respective parties based on their working interests. We also receive payments for these billings and, in some cases, for billings in advance of incurring costs. Our accounts receivable are comprised of the following amounts:
 
As of December 31,
 
2015
 
2014
Other co-venturers
$
4,639

 
$
16,291

Trade
26,224

 
60,263

Unbilled accounts receivable
1,736

 
33,052

Other
15,432

 
10,753

Total accounts receivable
$
48,031

 
$
120,359