Norsok Standard U-CR-003-1994 Subsea Christmas Tree Systems

The Norwegian Oil Industry Association (OLF) and Federation of Norwegian Manufacturing Industries (TBL). Rev. 1, December 1994. 13p. This standard describes the minimum requirements for (purchase of) subsea X-mas tree systems, both Conventional and Horizontal. This specification is based upon API Spec 17D and RP 17G and states only the deviation and additional requirements to these specifications . This specification should therefore be read in conjunction with API Spec 17D and RP 17G.