Table 2 Intermediate consumption for fields on stream. 1997-2001. Million NOK

2	Intermediate consumption for fields on stream. 1997-2001. Million NOK

	1997	1998	1999	2000	2001


Fields on stream, total	16 642	17 625	17 868	20 331	24 065
Consumption of commodities	805	646	621	880r	1 462

Maintenance	3 584	4 408	4 421	7 454	8 654
Materials	1 219	1 345	1 074	1 022	904
Controlls, inspection	558	513	883	1 127	1 083
Wells	879	1 036	1 042	1 027	776
Subsea work	131	69	155	398	677
Surface treatment	105	119	58	58	50
Repair	757	982	916	1 219	2 034
Other	988	1 481	1 839	2 603	3 131
Of this
Wages own employees¹	1 054	1 138	1 545	2 294	2 669

Hire of operating capital	770	803	1 074	1 641	999

Consumption of services	5 774	5 823	5 842	4 976	7 134
Helicopter transport	464	447	540	532	611
Supply vessels	778	741	803	1 226	1 302
Other transport and communication	29	51	40	38	32
Catering	479	548	673	698	686
Technical assistance	307	319	381	487	505
Other services	3 719	3 716	3 404	1 995	3 999

Indirect costs	4 203	4 253	3 704	4 258	2 375
Wages	1 229	1 467	1 023	993	564
Administration costs	2 974	2 786	2 681	3 266	1 811

Other costs	1 506	1 692	2 208	1 942	3 442

¹	Wages for operator's own emplyees are incorporated in the different cost under maintenance. According to the definitions in the National Accounts, wages are not a part of intermediate consumption.
More information: Division for Energy and Industrial Production Statistics.