v2.4.0.6

COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2011

COMMITMENTS AND CONTINGENCIES [Abstract]

Schedule of Future Minimum Payments for Operating Leases and Purchase Obligations [Table Text Block]

Future minimum rental payments applicable to all noncancellable operating leases and purchase obligations as of December 31, 2011 are as follows:

	Payments Due by Period
	2012				2013				2014				2015				2016				There- after				Total
	(Thousands of Dollars)
Operating leases	$	83,157			$	71,034			$	58,516			$	54,282			$	27,508			$	114,614			$	409,111
Purchase obligations:
Crude oil	3,220,237				3,220,237				3,189,385				712,502				—				—				10,342,361
Other purchase obligations	8,082				6,687				5,510				978				177				—				21,434

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases and purchase obligations having initial noncancelable terms in excess of one year.

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