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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of the effect of a change in accounting principle on net revenue.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- References

No definition available.

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- References

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

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Costs related to the impairment of oil and gas properties.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The discount rate used to calculate the present value of estimated future net revenues from proved reserves.

No definition available.

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The portion of residue gas and NGLs yielded by processing that is reflected in realized sales pices under certain contracts.

No definition available.

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Costs, after tax, related to the impairment of oil and gas properties.

No definition available.