v2.4.0.6

COMMITMENTS AND CONTINGENCIES Narative 2 (Details) (Crude Oil Purchase Obligation, Statoil [Member])	9 Months Ended
	Sep. 30, 2012
Crude Oil Purchase Obligation, Statoil [Member]
Long-term Purchase Commitment [Line Items]
Term of purchase commitment	three-year
Annual average purchase commitment, in barrels per day	10,000

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- Definition

Describes the term of the unconditional purchase obligation that is not recorded as a liability on the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25336-109308



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 47

-Paragraph 7

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

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