v2.4.0.6
RELATED PARTY TRANSACTIONS (Tables)
6 Months Ended
Jun. 30, 2012
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions [Text Block]
The following table summarizes information pertaining to related party transactions:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
 
(Thousands of Dollars)
Revenues
$
788

 
$
407

 
$
1,485

 
$
537

Operating expenses
$
37,101

 
$
36,801

 
$
76,033

 
$
71,910

General and administrative expenses
$
13,360

 
$
16,035

 
$
32,529

 
$
32,983