| Production drilling, total |
7 643 |
9 360 |
12 140 |
17 408 |
19 268 |
21 100 |
24 625 |
21 664 |
20 933 |
21 357 |
| Drilling rigs |
1 814 |
2 813 |
3 824 |
6 006 |
6 411 |
7 442 |
8 242 |
6 517 |
4 965 |
4 877 |
| Hire of drilling rigs |
1 584 |
2 145 |
3 144 |
4 723 |
5 072 |
5 974 |
7 107 |
5 672 |
3 935 |
3 817 |
| Other drilling costs |
231 |
667 |
681 |
1 283 |
1 340 |
1 468 |
1 135 |
846 |
1 030 |
1 060 |
| Transport costs |
503 |
573 |
941 |
1 296 |
1 280 |
1 429 |
1 864 |
1 530 |
1 279 |
1 523 |
| Helicopters and airplanes |
158 |
165 |
282 |
273 |
412 |
313 |
351 |
398 |
430 |
518 |
| Vessels |
345 |
408 |
659 |
1 022 |
868 |
1 116 |
1 513 |
1 132 |
849 |
1 004 |
| Commodities |
2 094 |
2 335 |
2 709 |
3 417 |
4 125 |
4 544 |
4 594 |
4 314 |
4 288 |
4 338 |
| Liner, wellheads, drill bits etc. |
981 |
1 020 |
1 124 |
1 581 |
2 103 |
2 428 |
2 403 |
2 204 |
2 168 |
2 345 |
| Cement |
129 |
158 |
166 |
194 |
240 |
220 |
256 |
179 |
191 |
223 |
| Drilling mud |
582 |
642 |
639 |
837 |
881 |
803 |
957 |
890 |
876 |
894 |
| Fuel |
26 |
61 |
66 |
84 |
108 |
281 |
247 |
192 |
178 |
214 |
| Use of machinery and equipment |
247 |
269 |
325 |
411 |
508 |
420 |
326 |
505 |
522 |
359 |
| Smaller equipment |
130 |
186 |
389 |
311 |
286 |
392 |
405 |
317 |
353 |
304 |
| Technical services |
3 232 |
3 640 |
4 666 |
6 689 |
7 452 |
7 686 |
9 925 |
9 304 |
10 401 |
10 619 |
| Clearing |
0 |
4 |
105 |
8 |
89 |
122 |
67 |
86 |
191 |
407 |
| Cement services |
43 |
57 |
95 |
140 |
117 |
205 |
258 |
245 |
207 |
283 |
| Drilling mud services |
51 |
90 |
140 |
130 |
155 |
341 |
346 |
313 |
367 |
452 |
| Logging |
280 |
384 |
456 |
760 |
703 |
1 171 |
1 606 |
1 790 |
1 576 |
1 333 |
| Testing |
125 |
119 |
114 |
165 |
280 |
87 |
96 |
75 |
35 |
43 |
| Diving |
33 |
57 |
82 |
191 |
197 |
217 |
214 |
206 |
161 |
193 |
| Costs on onshore bases |
159 |
195 |
218 |
252 |
255 |
440 |
368 |
435 |
285 |
272 |
| Other technical services |
2 540 |
2 734 |
3 454 |
5 044 |
5 656 |
5 103 |
6 971 |
6 154 |
7 580 |
7 636 |
|
