Annual report pursuant to Section 13 and 15(d)

Consolidated Statements Of Income

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Consolidated Statements Of Income (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Revenues $ 244,928 [1] $ 244,555 [1] $ 235,383 [1] $ 259,222 [1] $ 237,146 $ 185,946 $ 215,513 $ 235,886 $ 984,088 $ 874,491 $ 971,047
Operating costs and expenses:                      
Lease operating expenses                 270,839 232,260 219,206
Production taxes                 7,135 5,840 4,275
Gathering and transportation                 17,510 14,878 16,920
Depreciation, depletion and amortization                 430,611 336,177 299,015
Asset retirement obligation accretion                 20,918 20,055 29,771
General and administrative expenses                 81,874 82,017 74,296
Derivative (gain) loss                 8,470 13,954 (1,896)
Total costs and expenses                 837,357 705,181 641,587
Operating income 622 [1] 31,965 [1] 53,823 [1] 60,321 [1] 46,737 7,560 99,100 15,913 146,731 169,310 329,460
Interest expense:                      
Incurred                 85,639 63,268 52,393
Capitalized                 (10,058) (13,274) (9,877)
Loss on extinguishment of debt                 128   22,694
Other income                 9,074 215 84
Income before income tax expense                 80,096 119,531 264,334
Income tax expense                 28,774 47,547 91,517
Net income $ (11,886) [1] $ 14,194 [1] $ 22,396 [1] $ 26,618 [1] $ 16,670 $ (1,471) $ 53,567 $ 3,218 $ 51,322 $ 71,984 $ 172,817
Basic and diluted earnings per common share $ (0.16) [1],[2] $ 0.19 [1],[2] $ 0.29 [1],[2] $ 0.35 [1],[2] $ 0.21 [2] $ (0.02) [2] $ 0.70 [2] $ 0.04 [2] $ 0.68 $ 0.95 $ 2.29
Weighted average common shares outstanding                 75,239 74,354 74,033
[1] In January 2014, we identified that we had been receiving an erroneous million British thermal unit (“MMBtu”) conversion factor from a third party that had the effect of understating natural gas production at our Viosca Knoll 783 field (Tahoe).  The incorrect conversion factor had been used on all natural gas production from the field since we acquired it in 2011.  The use of the incorrect conversion factor did not affect revenues, operating cash flows or royalty payments to the federal government but did impact reported natural gas production and the calculation of depletion expense.  We performed an analysis of the information, assessing both quantitative and qualitative factors, and determined that the impact on our net income reported for prior annual periods, as well as the impact to our earnings trend, was not material to 2011 and 2012 results, thus the adjustment was recognized in the fourth quarter of 2013.  The fourth quarter of 2013 reflects a one-time increase in natural gas production volumes of 2.6 Bcf (with no corresponding increase in revenue) by using the correct conversion factor for the annual periods of 2011 and 2012, and the first three quarters of 2013, which increased DD&A by $7.1 million and decreased net income by $4.6 million.
[2] The sum of the individual quarterly earnings per share may not agree with year-to-date earnings per share because each quarterly calculation is based on the income for that quarter and the weighted average number of shares outstanding during that quarter.