Norsok Standard L-CR-004-1996 Piping fabrication, installation, flushing and testing

The Norwegian Oil Industry Association (OLF) and Federation of Norwegian Manufacturing Industries (TBL). Rev 1, January 1996. 29 p. This standard covers the basis for fabrication, installation, flushing, pressure testing, chemical cleaning, hot oil flushing and system colour coding of process, drilling and utility piping for offshore oil and/or gas production facilities.