NOTE 10 — INTANGIBLE ASSETS
| December 31, | ||||||||||||||||||||||||||||
| 2017 | 2016 | 2015 | ||||||||||||||||||||||||||
| Gross | Accumulated depreciation |
Net | Gross | Accumulated depreciation |
Net | Net | ||||||||||||||||||||||
| (In millions of US$) | ||||||||||||||||||||||||||||
|
Multi-client surveys Marine |
4,677.7 | (3,936.8 | ) | 740.9 | 4,337.6 | (3,598.4 | ) | 739.2 | 809.2 | |||||||||||||||||||
|
Multi-client surveys Land |
716.5 | (626.1 | ) | 90.4 | 683.4 | (574.7 | ) | 108.7 | 117.9 | |||||||||||||||||||
|
Development costs capitalized |
432.5 | (228.5 | ) | 204.0 | 384.6 | (183.1 | ) | 201.5 | 199.9 | |||||||||||||||||||
|
Software |
113.2 | (88.9 | ) | 24.3 | 106.9 | (76.2 | ) | 30.7 | 39.9 | |||||||||||||||||||
|
Research — Technology |
75.2 | (75.1 | ) | 0.1 | 83.3 | (82.3 | ) | 1.0 | 4.2 | |||||||||||||||||||
|
Customer relationships |
232.3 | (165.3 | ) | 67.0 | 246.2 | (170.9 | ) | 75.3 | 85.4 | |||||||||||||||||||
|
Trade names |
44.2 | (31.6 | ) | 12.6 | 43.7 | (31.2 | ) | 12.5 | 12.4 | |||||||||||||||||||
|
Other intangible assets |
103.4 | (90.5 | ) | 12.9 | 97.9 | (82.1 | ) | 15.8 | 17.8 | |||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||
|
Total intangible assets |
6,395.0 | (5,242.8 | ) | 1,152.2 | 5,983.6 | (4,798.9 | ) | 1,184.7 | 1,286.7 | |||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||
| December 31, | ||||||||||||
|
Variation of the period |
2017 | 2016 | 2015 | |||||||||
| (In millions of US$) | ||||||||||||
|
Balance at beginning of period |
1,184.7 | 1,286.7 | 1,373.8 | |||||||||
|
Increase in multi-client surveys |
281.0 | 337.4 | 357.4 | |||||||||
|
Development costs capitalized |
34.1 | 34.0 | 41.5 | |||||||||
|
Other acquisitions |
4.7 | 9.0 | 10.6 | |||||||||
|
Depreciation on multi-client surveys |
(297.7 | ) | (417.2 | ) | (369.5 | ) | ||||||
|
Other depreciation |
(65.1 | ) | (64.4 | ) | (113.2 | ) | ||||||
|
Disposals |
— | (0.1 | ) | (6.0 | ) | |||||||
|
Change in exchange rates |
10.5 | (2.6 | ) | (14.2 | ) | |||||||
|
Other |
— | 1.9 | 6.3 | |||||||||
|
|
|
|
|
|
|
|||||||
|
Balance at end of period |
1,152.2 | 1,184.7 | 1,286.7 | |||||||||
|
|
|
|
|
|
|
|||||||
In 2017, the “Depreciation on multi-client surveys” line item included US$23.1 million of impairment of multi-client surveys. Since 2016 and the application of IAS 38 amended, CGG no longer apply a straight-line amortization scheme for multi-client surveys.
In 2016 and 2015, the “Depreciation on multi-client surveys” line item included respectively US$96.8 million and US$41.8 million of impairment of multi-client surveys (see note 21).
In 2015, other depreciations included an impairment of customer relationship for US$39.7 million mainly (see note 21).
Reconciliation of acquisitions with the consolidated statements of cash flows and capital expenditures in note 19
| December 31, | ||||||||||||
| 2017 | 2016 | 2015 | ||||||||||
| (In millions of US$) | ||||||||||||
|
Increase in multi-client surveys |
281.0 | 337.4 | 357.4 | |||||||||
|
Multi-client depreciations & amortizations capitalized |
(30.0 | ) | (42.3 | ) | (72.8 | ) | ||||||
|
|
|
|
|
|
|
|||||||
|
Investment in multi-client surveys according to cash flow statement |
251.0 | 295.1 | 284.6 | |||||||||
|
|
|
|
|
|
|
|||||||