These standards, recommended practices and service specifications help reduce and manage risk. By bridging cutting-edge theory with hands-on experience, our codes enable customers to benefit from our broader view of the subsea industry.
Offshore standards
Our offshore standards (ST) provide technical provisions and acceptance criteria for general use by the industry, as well as the technical basis for DNV offshore services:
- DNV-ST-F101 Submarine pipeline systems
- DNV-ST-F201 Riser systems
- DNV-ST-F301 Subsea equipment and components.
Recommended practices
Our recommended practices (RP) provide proven technology and sound engineering practice, as well as guidance for the higher level offshore service specifications and offshore standards:
- DNV-RP-0002 Integrity management of subsea production systems
- DNV-RP-0034 Steel forgings for subsea applications - technical requirements
- DNV-RP-A203 Technology qualification
- DNV-RP-B204 Welding of subsea production system equipment
- DNV-RP-B401 Cathodic protection design
- DNV-RP-D101 Structural analysis of piping systems
- DNV-RP-E101 Recertification of well control equipment
- DNV-RP-E103 Risk-based abandonment of wells
- DNV-RP-E104 Wellhead fatigue analysis
- DNV-RP-E304 Damage assessment of fibre ropes for offshore mooring
- DNV-RP-F112 Duplex stainless steel – design against hydrogen induced stress cracking
- DNV-RP-F203 Riser interference
- DNV-RP-F204 Riser fatigue
- DNV-RP-F206 Riser integrity management
- DNV-RP-F302 Offshore leak detection
- DNV-RP-F303 Subsea pumping systems
- DNV-RP-F401 Electrical power cables in subsea applications
- DNV-RP-N101 Risk management in marine and subsea operations
- DNV-RP-O101 Technical documentation for subsea projects
- DNV-RP-O501 Managing sand production and erosion
Service specifications
DNV’s service specifications (SE) provide principles and procedures of our classification, certification, verification and technical advisory services:
- DNV-SE-0474 Risk based verification
- DNV-SE-0475 Verification and certification of submarine pipelines
- DNV-SE-0476 Offshore riser systems
- DNV-SE-0478 Verification of subsea facilities
- DNV-SE-0045 Certification of subsea equipment and components
Codes covering the planning and execution of marine and subsea installation operations
These codes include recommended practices and the Noble Denton marine services guidelines:
- DNV-ST-N001 Marine operations and marine warranty
- DNV-ST-N002 Site specific assessment of mobile offshore units for marine warranty
- DNV-RP-N101 Risk management in marine and subsea operations
- DNV-RP-N102 Marine operations during removal of offshore installations
- DNV-RP-N103 Modelling and analysis of marine operations