Annual report pursuant to Section 13 and 15(d)

Supplemental Information On Oil And Gas Exploration And Production Activities (Tables)

v2.4.0.6
Supplemental Information On Oil And Gas Exploration And Production Activities (Tables)
12 Months Ended
Dec. 31, 2012
Oil and Gas Exploration and Production Industries Disclosures [Abstract]  
Capitalized Costs Related To Oil And Gas Producing Activities
Capitalized Costs Related to Oil and Gas Producing Activities
 
 
2012
 
2011
Proven properties
$
984,795,000

 
$
897,130,000

Unproven properties
626,295,000

 
132,912,000

 
1,611,090,000

 
1,030,042,000

Accumulated depreciation, depletion, amortization and impairment reserve
(661,442,000
)
 
(571,213,000
)
Net capitalized costs
$
949,648,000

 
$
458,829,000

Costs Incurred In Oil And Gas Property Acquisition And Development Activities
Costs Incurred in Oil and Gas Property Acquisition and Development Activities
 
 
2012
 
2011
 
2010
Acquisition
$
513,904,000

 
$
119,522,000

 
$
17,627,000

Development of proved undeveloped properties
121,787,000

 
123,489,000

 
64,652,000

Exploratory
93,397,000

 
3,994,000

 

Recompletions
24,643,000

 
17,259,000

 
16,917,000

Capitalized asset retirement obligation
2,195,000

 
1,390,000

 
1,328,000

Total
$
755,926,000

 
$
265,654,000

 
$
100,524,000

Results Of Operations For Producing Activities
The results of operations exclude general office overhead and interest expense attributable to oil and gas production.
 
 
2012
 
2011
 
2010
Revenues
$
248,601,000

 
$
228,953,000

 
$
127,636,000

Production costs
(53,708,000
)
 
(47,230,000
)
 
(31,580,000
)
Depletion
(90,230,000
)
 
(61,965,000
)
 
(38,600,000
)
 
104,663,000

 
119,758,000

 
57,456,000

Income tax expense (benefit)

 

 

Current
730,000

 
282,000

 
40,000

Deferred
25,633,000

 
(372,000
)
 

 
26,363,000

 
(90,000
)
 
40,000

Results of operations from producing activities
$
78,300,000

 
$
119,848,000

 
$
57,416,000

Depletion per barrel of oil equivalent (BOE)
$
35.07

 
$
26.56

 
$
19.54

Oil And Gas Reserves
 
2012
 
2011
 
2010
 
Oil
 
Gas
 
Oil
 
Gas
 
Oil
 
Gas
 
(MBbls)
 
(MMcf)
 
(MBbls)
 
(MMcf)
 
(MBbls)
 
(MMcf)
Proved Reserves

 

 

 

 

 

Beginning of the period
16,745

 
15,728

 
19,704

 
16,158

 
17,488

 
14,332

Purchases in oil and gas reserves in place

 

 
2

 
19

 
3,913

 
3,482

Extensions and discoveries
4,880

 
31,265

 
3,940

 
2,091

 
5,574

 
5,303

Sales of oil and gas reserves in place
(10,604
)
 
(11,757
)
 

 

 

 

Revisions of prior reserve estimates
(382
)
 
(357
)
 
(4,714
)
 
(1,662
)
 
(5,426
)
 
(6,171
)
Current production
(2,388
)
 
(1,108
)
 
(2,187
)
 
(878
)
 
(1,845
)
 
(788
)
End of period
8,251

 
33,771

 
16,745

 
15,728

 
19,704

 
16,158

Proved developed reserves
5,219

 
18,482

 
7,485

 
6,152

 
7,230

 
6,068

Proved undeveloped reserves
3,032

 
15,289

 
9,260

 
9,576

 
12,474

 
10,090

Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves (Unaudited)
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves (Unaudited)
 
 
Year ended December 31,
 
2012
 
2011
 
2010
Future cash flows
$
954,833,000

 
$
1,594,050,000

 
$
1,479,295,000

Future development and abandonment costs
(159,113,000
)
 
(306,810,000
)
 
(301,651,000
)
Future production costs
(147,024,000
)
 
(295,383,000
)
 
(305,814,000
)
Future production taxes
(89,175,000
)
 
(124,739,000
)
 
(136,323,000
)
Future income taxes
(114,867,000
)
 
(229,649,000
)
 
(159,171,000
)
Future net cash flows
444,654,000

 
637,469,000

 
576,336,000

10% discount to reflect timing of cash flows
(96,013,000
)
 
(260,788,000
)
 
(260,849,000
)
Standardized measure of discounted future net cash flows
$
348,641,000

 
$
376,681,000

 
$
315,487,000

Changes In Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves
Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves (Unaudited)
 
 
Year ended December 31,
 
2012
 
2011
 
2010
Sales and transfers of oil and gas produced, net of production costs
$
(194,893,000
)
 
$
(181,723,000
)
 
$
(96,056,000
)
Net changes in prices, production costs, and development costs
108,941,000

 
136,071,000

 
122,147,000

Acquisition of oil and gas reserves in place

 
72,000

 
63,043,000

Extensions and discoveries
151,654,000

 
107,110,000

 
88,227,000

Revisions of previous quantity estimates, less related production costs
(10,504,000
)
 
(112,553,000
)
 
(89,155,000
)
Sales of reserves in place
(214,867,000
)
 

 

Accretion of discount
37,668,000

 
31,549,000

 
24,077,000

Net changes in income taxes
25,585,000

 
(36,674,000
)
 
(54,879,000
)
Change in production rates and other
68,376,000

 
117,342,000

 
17,309,000

Total change in standardized measure of discounted future net cash flows
$
(28,040,000
)
 
$
61,194,000

 
$
74,713,000