Oil activities - investment statistics

2   Accrued investment costs for oil and gas exploration, by cost category. Q4 1999 - Q4 2001. Million NOK
  1999 2000 2001
  Q 4 Q 1 Q 2 Q 3 Q4 Q1 Q 2 Q 3 Q4
Exploration costs, total 1 270 1 047 1 066 1 257 1 902 1 693 1 663 1 432 1 495
                   
Exploration drilling 569 523 707 668 1 212 948 1 127 1 145 983
General Exploration 179 76 117 176 238 95 123 363 194
Field evaluation/field development 217 42 102 212 276 202 263 -36 180
Administration and other costs 306 406 140 201 176 449 150 -40 138

Explanation of symbols