Annual report pursuant to Section 13 and 15(d)

合并资产负债表

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合并资产负债表 (USD $)
12月. 31, 2011
12月. 31, 2010
资产    
现金及现金等价物 $ 93,897,000 $ 2,468,000
Accounts receivable-oil and gas 28,019,000 14,952,000
Accounts receivable-related parties 4,731,000 573,000
Prepaid expenses and other current assets 1,327,000 1,732,000
Short-term derivative instruments 1,601,000  
流动资产总额 129,575,000 19,725,000
财产和设备:    
石油和天然气属性, 全部成本会计, $138,623,000元及16元,778,000 excluded from amortization in 2011 and 2010, 分别 1,035,754,000 747,344,000
其他财产和设备 8,024,000 7,609,000
累积损耗、折旧、摊销及减值 (575,142,000) (512,822,000)
财产和设备，净 468,636,000 242,131,000
其他资产:    
股权投资 86,824,000 33,021,000
应收款关联方票据   20,006,000
其他资产 5,123,000 4,182,000
其他资产合计 91,947,000 57,209,000
递延所得税资产 1,000,000 628,000
总资产 691,158,000 319,693,000
Liabilities and Stockholders' Equity    
Accounts payable and accrued 负债 43,872,000 41,155,000
Asset retirement obligation-current 620,000 635,000
Short-term derivative instruments   4,720,000
Current maturities of long-term debt 141,000 2,417,000
流动负债总额 44,633,000 48,927,000
Asset retirement obligation - long-term 12,033,000 10,210,000
Long-term debt, net of current maturities 2,142,000 49,500,000
总负债 58,808,000 108,637,000
承诺 and contingencies (Notes 17 and 18)      
优先股，$.票面价值; 5,000,000年授权, 30,000年授权 as redeemable 12% cumulative 优先股, Series A; 0 issued and outstanding      
股东权益:    
普通股——美元.票面价值, 100,000,000年授权, 55,621,371 issued and outstanding in 2011 and 44,645,435 in 2010 556,000 446,000
实收资本 604,584,000 296,253,000
Accumulated other comprehensive income (loss) 2,663,000 (1,768,000)
Retained earnings (accumulated deficit) 24,547,000 (83,875,000)
股东权益总额 632,350,000 211,056,000
总负债 and stockholders' equity $ 691,158,000 $ 319,693,000