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Document and Entity Information
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF OPERATIONS
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)
CONSOLIDATED STATEMENTS OF CASH FLOWS
ORGANIZATION
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
ACQUISITIONS
EARNINGS (LOSS) PER SHARE
ACCRUED LIABILITIES
LONG-TERM DEBT AND OTHER LONG-TERM LIABILITIES
ASSET RETIREMENT OBLIGATIONS
INCOME TAXES
EMPLOYEE BENEFIT PLANS
TRANSACTIONS WITH RELATED PARTIES
SHAREHOLDER RIGHTS PLAN
STOCK-BASED COMPENSATION
DERIVATIVES
FAIR VALUE MEASUREMENTS
COMMITMENTS AND CONTINGENCIES
INDUSTRY SEGMENT INFORMATION
SELECTED QUARTERLY FINANCIAL INFORMATION
SUPPLEMENTAL OIL AND GAS DISCLOSURES
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
