Table
Accrued investment costs for oil and gas exploration, by cost category. Quarter. NOK million | 1st quarter 2011 | 2nd quarter 2011 | 3rd quarter 2011 | 4th quarter 2011 | 1st quarter 2012 | 2nd quarter 2012 | 3rd quarter 2012 | 4th quarter 2012 | 1st quarter 2013 |
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| Total | 5 990 | 6 190 | 7 977 | 6 612 | 6 314 | 5 680 | 5 545 | 6 941 | 6 579 |
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| Exploration drilling | 4 504 | 4 952 | 6 213 | 4 872 | 4 788 | 3 872 | 3 660 | 4 876 | 4 670 |
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| General Exploration | 356 | 526 | 852 | 630 | 484 | 957 | 1 013 | 691 | 470 |
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| Field evaluation/field development | 411 | 304 | 373 | 552 | 327 | 319 | 332 | 806 | 504 |
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| Administration and other costs | 720 | 408 | 538 | 559 | 716 | 532 | 540 | 567 | 936 |
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