| Oil and Gas Producing Activities |
| 9. |
Oil and Gas Producing
Activities |
Set forth below
is certain information regarding the costs incurred for oil and gas
property acquisition, development and exploration activities (in
thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
For the Years Ended
December 31, |
|
| |
|
2012 |
|
|
2011 |
|
|
2010 |
|
|
Property acquisition
costs:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Unproved
properties
|
|
$ |
2,335 |
|
|
$ |
17,361 |
|
|
$ |
8,931 |
|
|
Proved
properties
|
|
|
5,407 |
|
|
|
5,063 |
|
|
|
86 |
|
|
Working interest
acquisitions
|
|
|
— |
|
|
|
70,827 |
|
|
|
21,179 |
|
|
Exploration
costs
|
|
|
4,550 |
|
|
|
9,991 |
|
|
|
2,874 |
|
|
Development
costs(1)
|
|
|
285,039 |
|
|
|
182,522 |
|
|
|
56,915 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total costs
incurred
|
|
$ |
297,331 |
|
|
$ |
285,764 |
|
|
$ |
89,985 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (1) |
For the years ended
December 31, 2012, 2011 and 2010, development costs include
$409,000, $1.2 million and $604,000 in non-cash asset retirement
obligations, respectively. |
Set forth below
is certain information regarding the results of operations for oil
and gas producing activities (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
For the Years Ended
December 31, |
|
| |
|
2012 |
|
|
2011 |
|
|
2010 |
|
|
Revenues
|
|
$ |
128,892 |
|
|
$ |
108,387 |
|
|
$ |
57,581 |
|
|
Production costs
|
|
|
(28,257 |
) |
|
|
(19,134 |
) |
|
|
(11,545 |
) |
|
Exploration
expense
|
|
|
(4,550 |
) |
|
|
(9,546 |
) |
|
|
(2,589 |
) |
|
Impairment
|
|
|
— |
|
|
|
(18,476 |
) |
|
|
(2,622 |
) |
|
Depletion
|
|
|
(60,381 |
) |
|
|
(31,858 |
) |
|
|
(21,991 |
) |
|
Income tax
expense
|
|
|
(12,139 |
) |
|
|
(9,546 |
) |
|
|
(6,527 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Results of
operations
|
|
$ |
23,565 |
|
|
$ |
19,827 |
|
|
$ |
12,307 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|