Relationship between the NORSOK D-series and U-001

A table that shows the relationship between the NORSOK D-series and U-001. will be available in February 2026,

Equipment	Application	Speci-fication	Functional require-ments	Barrier function	Installat-ion	Leaktest	Removal
BOP system	Drilling	D-001	D-001	D-010	D-001	D-010	N/A
	Snubbing	D-002	D-002	D-010	D-002	D-010	N/A
	Coiled tubing	D-002	D-002	D-010	D-002	D-010	N/A
	Wireline	D-002	D-002	D-010	D-002	D-010	N/A
	Well testing	N/A	D-007	D-010	D-007	D-010	N/A
	MPD/UBD	N/A	D-001	D-010	D-001	D-010	N/A
Wellhead connector	SUBSA BOP	D-001	D-001	D-010	D-001	D-010	N/A
	Subsea XT	U-001	U-001	D-010	U-001	D-010	N/A
Marine drilling riser	Drilling	D-001	D-001	D-010	D-001	D-010	N/A
	Snubbing	D-001	D-001	D-010	D-001	D-010	N/A
	Coiled tubing	D-001	D-001	D-010	D-001	D-010	N/A
	Wireline	D-001	D-001	D-010	D-001	D-010	N/A
	Well testing	D-001	D-001	D-010	D-001	D-010	N/A
	MPD/UBD	D-010	D-010	D-010	D-001	D-010	N/A
HP Riser	Drilling	U-001	D-001	D-010	U-001	D-010	N/A
	Snubbing	U-001	D-001	D-010	U-001	D-010	N/A
	Coiled tubing	U-001	D-001	D-010	U-001	D-010	N/A
	Wireline	U-001	D-001	D-010	U-001	D-010	N/A
	Well testing	U-001	D-001	D-010	U-001	D-010	N/A
	MPD/UBD	U-001	D-001	D-010	U-001	D-010	N/A
Workover and completion riser	Subsea well	U-001	U-001	D-010	U-001	D-010	N/A
LP riser	Drilling	D-001	D-001	N/A	D-001	N/A	N/A
Platform wellhead	Drilling	D-001	D-001	D-010	D-001	D-010	D-010
Subsea wellhead	Drilling	U-001	U-001	D-010	U-001	D-010	D-010
Conductor, surface system	Drilling	D-010	D-010	D-010	D-010	N/A	D-010
Conductor, subsea system	Drilling	U-001	U-001	D-010	U-001	N/A	D-010
Positive displacement pump	Drilling	D-001	D-001	D-010	D-001	D-010	N/A
	Snubbing	D-002	D-002	D-010	D-002	D-010	N/A
	Coiled tubing	D-002	D-002	D-010	D-002	D-010	N/A
	Wireline	N/A	N/A	D-010	D-002	D-010	N/A
	Well testing	N/A	N/A	D-010	N/A	D-010	N/A
	MPD/UBD	D-001	D-001	D-010	D-001	D-010	N/A
	Pumping activities	D-001	D-001	D-010	D-010	D-010	N/A
Well test surface equipment	Well testing	D-007	D-007	D-010	D-007	D-010	N/A