|
|
December 31, |
|
||||
|
|
2016 |
|
2015 |
|
||
|
|
(In thousands) |
|
||||
Land |
|
$ |
46,319 |
|
$ |
19,757 |
|
Buildings |
|
|
115,502 |
|
|
126,285 |
|
Drilling, workover and well-servicing rigs, and related equipment |
|
|
12,638,749 |
|
|
12,243,811 |
|
Marine transportation and supply vessels |
|
|
— |
|
|
10,271 |
|
Oilfield hauling and mobile equipment |
|
|
274,137 |
|
|
286,838 |
|
Other machinery and equipment |
|
|
181,069 |
|
|
175,687 |
|
Oil and gas properties |
|
|
12,286 |
|
|
16,386 |
|
Construction-in-process (1) |
|
|
288,673 |
|
|
457,422 |
|
|
|
$ |
13,556,735 |
|
$ |
13,336,457 |
|
Less: accumulated depreciation and amortization |
|
|
(7,289,152) |
|
|
(6,308,655) |
|
|
|
$ |
6,267,583 |
|
$ |
7,027,802 |
|
(1) |
Relates primarily to amounts capitalized for new or substantially new drilling rigs and related equipment that were under construction and had not yet been placed in service as of December 31, 2016 or 2015. |