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The expense recorded to reduce the value of oil and gas producing properties accounted for under the full cost method of accounting to the cost center ceiling.

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Accomplished Internal Rate of Return

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Amount partner committed to spend to develop wells under joint development agreement.

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Partner net revenue interest in joint wells in a joint development agreement.

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Working interest in joint wells in a joint development agreement.

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Reclassification of Deferred Income Taxes (previously shown as Current Assets) to Deferred Income Taxes (shown as Deferred Credits) on the Consolidated Balance Sheet.

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Royalty interest associated with mineral rights.

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Summary Of Significant Accounting Policies [Line Items]

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Wells to be Developed under joint development agreement.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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The quantified amount of the future effect on cash flows.

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Carrying amount as of the balance sheet date of natural gas stored underground in depleted gas reservoirs, aquifers, or salt caverns to meet seasonal and peak load demands, and also as insurance against unforeseen supply disruptions, and deemed to be a current asset because it is expected to be used within twelve months or in the normal operating cycle.

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The value of the noncash (or part noncash) consideration received in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period.

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The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Net number of share options (or share units) granted during the period.

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