ISO 13623:2017
Petroleum and natural gas industries — Pipeline transportation systems
ISO 13623:2017 specifies requirements and gives recommendations for the design, materials, construction, testing, operation, maintenance and abandonment of pipeline systems used for transportation in the petroleum and natural gas industries.
It applies to pipeline systems on-land and offshore, connecting wells, production plants, process plants, refineries and storage facilities, including any section of a pipeline constructed within the boundaries of such facilities for the purpose of its connection. The extent of pipeline systems covered by ISO 13623:2017 is illustrated in Figure 1.
ISO 13623:2017 applies to rigid, metallic pipelines. It is not applicable for flexible pipelines or those constructed from other materials, such as glass-reinforced plastics.
ISO 13623:2017 is applicable to all new pipeline systems and can be applied to modifications made to existing ones. It is not intended that it applies retroactively to existing pipeline systems.
It describes the functional requirements of pipeline systems and provides a basis for their safe design, construction, testing, operation, maintenance and abandonment.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 General
4.1 Health, safety and the environment
4.2 Competence assurance
4.3 Compliance
4.4 Records
5 Pipeline system design
5.1 System definition
5.2 Categorization of fluids
5.3 Hydraulic analysis
5.4 Pressure control and overpressure protection
5.5 Requirements for operation and maintenance
5.6 Public safety and protection of the environment
6 Design of pipeline and primary piping
6.1 Design principles
6.2 Route selection
6.2.1 Considerations
6.2.2 Surveys — On-land pipelines
6.2.3 Surveys — Offshore pipelines
6.3 Loads
6.3.1 General
6.3.2 Functional loads
6.3.3 Environmental loads
6.3.4 Construction loads
6.3.5 Accidental loads
6.3.6 Combination of loads
6.4 Strength requirements
6.4.1 Calculation of stresses
6.4.2 Strength criteria
6.5 Stability
6.6 Pipeline spanning
6.7 Pressure test requirements
6.7.1 General
6.7.2 Test medium
6.7.3 Pressure levels and test durations
6.7.4 Acceptance criteria
6.8 Other activities
6.8.1 Activities by others
6.8.2 Pipeline cover
6.9 Crossings and encroachments
6.9.1 Consultations with authorities
6.9.2 Roads
6.9.3 Railways
6.9.4 Waterways and landfalls
6.9.5 Pipeline/cable crossings
6.9.6 Pipeline bridge crossings
6.9.7 Sleeved or cased crossings
6.10 Adverse ground and seabed conditions
6.11 Section isolation valves
6.12 Integrity monitoring
6.13 Design for pigging
6.14 Fabricated components
6.14.1 Welded branch connections
6.14.2 Special components fabricated by welding
6.14.3 Extruded outlets
6.14.4 Pig traps
6.14.5 Slug catchers
6.14.6 Fabricated assemblies
6.15 Attachment of supports or anchors
6.16 Offshore risers
7 Design of stations and terminals
7.1 Selection of location
7.2 Layout
7.3 Security
7.4 Safety
7.5 Environment
7.6 Buildings
7.7 Equipment
7.8 Piping
7.8.1 Primary piping
7.8.2 Secondary piping
7.9 Emergency shutdown system
7.10 Electrical
7.11 Storage and working tankage
7.12 Heating and cooling stations
7.13 Metering and pressure control stations
7.14 Monitoring and communication systems
7.15 Compressor stations for on-land gas supply systems
8 Materials and coatings
8.1 General material requirements for pipelines and primary piping
8.1.1 Selection
8.1.2 Materials for sour service
8.1.3 Consistency of requirements
8.1.4 Chemical composition
8.1.5 Brittle fracture toughness
8.1.6 Shear-fracture toughness
8.1.7 Higher-temperature service
8.1.8 Properties after forming and heat treatment
8.1.9 Production qualification programmes
8.1.10 Marking
8.1.11 Inspection documents
8.1.12 Specifications
8.1.13 Reuse of components
8.1.14 Records
8.2 Line pipe
8.2.1 Carbon steel pipe
8.2.2 Stainless steel and non-ferrous metallic pipe
8.2.3 Carbon steel pipe with stainless steel or non-ferrous metallic layer
8.3 Components other than pipe
8.3.1 Flanged connections
8.3.2 Bends made from pipe
8.3.3 Fittings
8.3.4 Valves
8.3.5 Fabricated isolating couplings
8.3.6 Other components
8.4 Coatings
8.4.1 External coatings
8.4.2 Internal coatings/linings
9 Corrosion management
9.1 General
9.2 Internal corrosivity evaluation
9.3 Internal corrosion mitigation
9.3.1 Methods
9.3.2 Revision of design conditions
9.3.3 Chemical additives
9.3.4 Internal coatings or linings
9.3.5 Cleaning
9.4 External corrosion evaluation
9.5 External corrosion mitigation
9.5.1 Protection requirements
9.5.2 External coatings
9.5.3 Cathodic protection
9.6 Monitoring programmes and methods
9.6.1 Requirement for monitoring
9.6.2 Monitoring internal corrosion
9.6.3 Monitoring external condition
9.6.4 Monitoring cathodic protection
9.7 Evaluation of monitoring and inspection results
9.8 Corrosion-management documentation
10 Construction
10.1 General
10.1.1 Construction plan
10.1.2 Construction near other facilities
10.1.3 Plant, equipment and marine vessels
10.1.4 Transport and handling of materials
10.2 Preparation of the route on-land
10.2.1 Site inspections
10.2.2 Survey and marking
10.2.3 Preparation of the working width
10.2.4 Blasting
10.3 Preparation of the route offshore
10.3.1 Surveys
10.3.2 Seabed preparation
10.4 Welding and joining
10.4.1 Welding standard
10.4.2 Weld examination
10.4.3 Joining other than welding
10.5 Coating
10.5.1 Field joint coating
10.5.2 Coating inspection
10.6 Installation of on-land pipelines
10.6.1 Pipe stringing
10.6.2 Field pipe bends
10.6.3 Excavation
10.6.4 Lowering pipe
10.6.5 Backfill
10.6.6 Tie-in
10.6.7 Reinstatement
10.6.8 Crossings
10.6.9 Markings
10.7 Installation of offshore pipelines
10.7.1 Marine operations
10.7.2 Survey and positioning systems
10.7.3 Pipe laying
10.7.4 Landfalls
10.7.5 Trenching
10.7.6 Backfilling
10.7.7 Crossings of other pipelines and cables
10.7.8 Spans
10.7.9 Tie-ins
10.8 Cleaning and gauging
10.9 As-built surveys
10.10 Construction records
11 Testing
11.1 General
11.2 Safety
11.3 Procedures
11.3.1 Written procedures
11.3.2 Communications
11.3.3 Water quality
11.3.4 Inhibitors and additives
11.3.5 Filling rate
11.3.6 Air content
11.3.7 Temperature stabilization
11.3.8 Temperature effects and correlations
11.3.9 Leak-finding
11.4 Acceptance criteria
11.5 Tie-ins following testing
11.6 Testing equipment
11.7 Test documentation and records
11.8 Disposal of test fluids
11.9 Protection following test
12 Pre-commissioning and commissioning
12.1 General
12.2 Cleaning and gauging procedures
12.3 Drying procedures
12.4 Functional testing of equipment and systems
12.5 Documentation and records
12.6 Start-up procedures and introduction of transported fluid
13 Operation, maintenance and abandonment
13.1 Management
13.1.1 Objectives and basic requirements
13.1.2 Operating and maintenance plan
13.1.3 Operating and maintenance procedures
13.1.4 Incident and emergency-response plan
13.1.5 Permit-to-work system
13.1.6 Training
13.1.7 Liaison
13.1.8 Records
13.2 Operations
13.2.1 Fluid parameter monitoring
13.2.2 Stations and terminals
13.2.3 Pigging
13.2.4 Decommissioning
13.2.5 Recommissioning
13.3 Maintenance
13.3.1 Maintenance programme
13.3.2 Route inspection
13.3.3 Mechanical condition monitoring
13.3.4 Leak detection and surveys
13.3.5 Facilities, equipment and component monitoring
13.3.6 Pipeline and piping defects and damage
13.3.7 Pipeline and piping repairs and modifications
13.4 Changes to the design condition
13.4.1 Change control
13.4.2 Operating pressure
13.4.3 Service conversion
13.4.4 New crossings and developments
13.4.5 Moving in-service pipelines and piping
13.4.6 Testing of modified pipelines and piping
13.4.7 Changes to location class
13.5 Life extension
13.6 Abandonment
Annex A (informative) Records and documentation
Annex B (normative) Supplementary requirements for public safety of on-land pipelines for category D and E fluids
Annex C (informative) Pipeline route selection process
Annex D (informative) Examples of factors for routing considerations
Annex E (normative) Safety evaluation of pipelines
Annex F (informative) Scope of procedures for operation, maintenance and emergencies
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 General
4.1 Health, safety and the environment
4.2 Competence assurance
4.3 Compliance
4.4 Records
5 Pipeline system design
5.1 System definition
5.2 Categorization of fluids
5.3 Hydraulic analysis
5.4 Pressure control and overpressure protection
5.5 Requirements for operation and maintenance
5.6 Public safety and protection of the environment
6 Design of pipeline and primary piping
6.1 Design principles
6.2 Route selection
6.2.1 Considerations
6.2.2 Surveys — On-land pipelines
6.2.3 Surveys — Offshore pipelines
6.3 Loads
6.3.1 General
6.3.2 Functional loads
6.3.3 Environmental loads
6.3.4 Construction loads
6.3.5 Accidental loads
6.3.6 Combination of loads
6.4 Strength requirements
6.4.1 Calculation of stresses
6.4.2 Strength criteria
6.5 Stability
6.6 Pipeline spanning
6.7 Pressure test requirements
6.7.1 General
6.7.2 Test medium
6.7.3 Pressure levels and test durations
6.7.4 Acceptance criteria
6.8 Other activities
6.8.1 Activities by others
6.8.2 Pipeline cover
6.9 Crossings and encroachments
6.9.1 Consultations with authorities
6.9.2 Roads
6.9.3 Railways
6.9.4 Waterways and landfalls
6.9.5 Pipeline/cable crossings
6.9.6 Pipeline bridge crossings
6.9.7 Sleeved or cased crossings
6.10 Adverse ground and seabed conditions
6.11 Section isolation valves
6.12 Integrity monitoring
6.13 Design for pigging
6.14 Fabricated components
6.14.1 Welded branch connections
6.14.2 Special components fabricated by welding
6.14.3 Extruded outlets
6.14.4 Pig traps
6.14.5 Slug catchers
6.14.6 Fabricated assemblies
6.15 Attachment of supports or anchors
6.16 Offshore risers
7 Design of stations and terminals
7.1 Selection of location
7.2 Layout
7.3 Security
7.4 Safety
7.5 Environment
7.6 Buildings
7.7 Equipment
7.8 Piping
7.8.1 Primary piping
7.8.2 Secondary piping
7.9 Emergency shutdown system
7.10 Electrical
7.11 Storage and working tankage
7.12 Heating and cooling stations
7.13 Metering and pressure control stations
7.14 Monitoring and communication systems
7.15 Compressor stations for on-land gas supply systems
8 Materials and coatings
8.1 General material requirements for pipelines and primary piping
8.1.1 Selection
8.1.2 Materials for sour service
8.1.3 Consistency of requirements
8.1.4 Chemical composition
8.1.5 Brittle fracture toughness
8.1.6 Shear-fracture toughness
8.1.7 Higher-temperature service
8.1.8 Properties after forming and heat treatment
8.1.9 Production qualification programmes
8.1.10 Marking
8.1.11 Inspection documents
8.1.12 Specifications
8.1.13 Reuse of components
8.1.14 Records
8.2 Line pipe
8.2.1 Carbon steel pipe
8.2.2 Stainless steel and non-ferrous metallic pipe
8.2.3 Carbon steel pipe with stainless steel or non-ferrous metallic layer
8.3 Components other than pipe
8.3.1 Flanged connections
8.3.2 Bends made from pipe
8.3.3 Fittings
8.3.4 Valves
8.3.5 Fabricated isolating couplings
8.3.6 Other components
8.4 Coatings
8.4.1 External coatings
8.4.2 Internal coatings/linings
9 Corrosion management
9.1 General
9.2 Internal corrosivity evaluation
9.3 Internal corrosion mitigation
9.3.1 Methods
9.3.2 Revision of design conditions
9.3.3 Chemical additives
9.3.4 Internal coatings or linings
9.3.5 Cleaning
9.4 External corrosion evaluation
9.5 External corrosion mitigation
9.5.1 Protection requirements
9.5.2 External coatings
9.5.3 Cathodic protection
9.6 Monitoring programmes and methods
9.6.1 Requirement for monitoring
9.6.2 Monitoring internal corrosion
9.6.3 Monitoring external condition
9.6.4 Monitoring cathodic protection
9.7 Evaluation of monitoring and inspection results
9.8 Corrosion-management documentation
10 Construction
10.1 General
10.1.1 Construction plan
10.1.2 Construction near other facilities
10.1.3 Plant, equipment and marine vessels
10.1.4 Transport and handling of materials
10.2 Preparation of the route on-land
10.2.1 Site inspections
10.2.2 Survey and marking
10.2.3 Preparation of the working width
10.2.4 Blasting
10.3 Preparation of the route offshore
10.3.1 Surveys
10.3.2 Seabed preparation
10.4 Welding and joining
10.4.1 Welding standard
10.4.2 Weld examination
10.4.3 Joining other than welding
10.5 Coating
10.5.1 Field joint coating
10.5.2 Coating inspection
10.6 Installation of on-land pipelines
10.6.1 Pipe stringing
10.6.2 Field pipe bends
10.6.3 Excavation
10.6.4 Lowering pipe
10.6.5 Backfill
10.6.6 Tie-in
10.6.7 Reinstatement
10.6.8 Crossings
10.6.9 Markings
10.7 Installation of offshore pipelines
10.7.1 Marine operations
10.7.2 Survey and positioning systems
10.7.3 Pipe laying
10.7.4 Landfalls
10.7.5 Trenching
10.7.6 Backfilling
10.7.7 Crossings of other pipelines and cables
10.7.8 Spans
10.7.9 Tie-ins
10.8 Cleaning and gauging
10.9 As-built surveys
10.10 Construction records
11 Testing
11.1 General
11.2 Safety
11.3 Procedures
11.3.1 Written procedures
11.3.2 Communications
11.3.3 Water quality
11.3.4 Inhibitors and additives
11.3.5 Filling rate
11.3.6 Air content
11.3.7 Temperature stabilization
11.3.8 Temperature effects and correlations
11.3.9 Leak-finding
11.4 Acceptance criteria
11.5 Tie-ins following testing
11.6 Testing equipment
11.7 Test documentation and records
11.8 Disposal of test fluids
11.9 Protection following test
12 Pre-commissioning and commissioning
12.1 General
12.2 Cleaning and gauging procedures
12.3 Drying procedures
12.4 Functional testing of equipment and systems
12.5 Documentation and records
12.6 Start-up procedures and introduction of transported fluid
13 Operation, maintenance and abandonment
13.1 Management
13.1.1 Objectives and basic requirements
13.1.2 Operating and maintenance plan
13.1.3 Operating and maintenance procedures
13.1.4 Incident and emergency-response plan
13.1.5 Permit-to-work system
13.1.6 Training
13.1.7 Liaison
13.1.8 Records
13.2 Operations
13.2.1 Fluid parameter monitoring
13.2.2 Stations and terminals
13.2.3 Pigging
13.2.4 Decommissioning
13.2.5 Recommissioning
13.3 Maintenance
13.3.1 Maintenance programme
13.3.2 Route inspection
13.3.3 Mechanical condition monitoring
13.3.4 Leak detection and surveys
13.3.5 Facilities, equipment and component monitoring
13.3.6 Pipeline and piping defects and damage
13.3.7 Pipeline and piping repairs and modifications
13.4 Changes to the design condition
13.4.1 Change control
13.4.2 Operating pressure
13.4.3 Service conversion
13.4.4 New crossings and developments
13.4.5 Moving in-service pipelines and piping
13.4.6 Testing of modified pipelines and piping
13.4.7 Changes to location class
13.5 Life extension
13.6 Abandonment
Annex A (informative) Records and documentation
Annex B (normative) Supplementary requirements for public safety of on-land pipelines for category D and E fluids
Annex C (informative) Pipeline route selection process
Annex D (informative) Examples of factors for routing considerations
Annex E (normative) Safety evaluation of pipelines
Annex F (informative) Scope of procedures for operation, maintenance and emergencies
Bibliography