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API Spec 17E Specification for Subsea Umbilicals, Fourth Edition (ISO 13628-5:2009, Identical Adoption)
standard by American Petroleum Institute, 10/01/2010
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ANSI/API SPECIFICATION 17E FOURTH EDITION, OCTOBER 2010
EFFECTIVE DATE: APRIL 1, 2011
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Classified areas may vary depending on the location, conditions, equipment, and substances involved in any given situation. Users of this Specification should consult with the appropriate authorities having jurisdiction.
Users of this Specification should not rely exclusively on the information contained in this document. Sound business, scientific, engineering, and safety judgment should be used in employing the information contained herein.
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Copyright © 2010 American Petroleum Institute
Nothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for the manufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anything contained in the publication be construed as insuring anyone against liability for infringement of letters patent.
Shall: As used in a standard, “shall” denotes a minimum requirement in order to conform to the specification.
Should: As used in a standard, “should” denotes a recommendation or that which is advised but not required in order to conform to the specification.
This document was produced under API standardization procedures that ensure appropriate notification and participation in the developmental process and is designated as an API standard. Questions concerning the interpretation of the content of this publication or comments and questions concerning the procedures under which this publication was developed should be directed in writing to the Director of Standards, American Petroleum Institute, 1220 L Street, NW, Washington, DC 20005. Requests for permission to reproduce or translate all or any part of the material published herein should also be addressed to the director.
Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. A one-time extension of up to two years may be added to this review cycle. Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. A catalog of API publications and materials is published annually by API, 1220 L Street, NW, Washington, DC 20005.
Suggested revisions are invited and should be submitted to the Standards Department, API, 1220 L Street, NW, Washington, DC 20005, standards@api.org.
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API Foreword iii
Foreword ix
Introduction x
Scope 1
Normative references 1
Terms, abbreviated terms and definitions 3
Terms and definitions 3
Abbreviated terms 9
Functional requirements 10
General requirements 10
Project-specific requirements 11
Safety, design and testing philosophy 11
Application 11
Safety objective 11
Systematic review 11
Fundamental requirements 12
Design philosophy 12
Testing 14
Design requirements 15
General 15
Loads 15
Load effect analysis 19
Installation analysis 25
Fatigue life 26
Component design, manufacture and test 26
General 26
Electric cables 27
Hoses 37
Optical-fibre cable 48
Metallic tubes 52
Terminations and ancillary equipment design 68
Design principles 68
Design process 69
Armour terminations 69
Tube and hose terminations 69
Cable terminations 69
Pull-in head 70
Topside hang-off 71
Subsea termination interface 71
Subsea umbilical termination 71
Bend restrictors 71
Bend stiffeners 72
Ancillary equipment 73
Umbilical design 75
Temperature range 75
Maximum tensile load 75
Ultimate tensile load 75
Minimum bend radius 75
Cross-sectional arrangement 76
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Lay-up 76
Sub-bundles 76
Inner sheath 76
Armouring 77
Outer sheath 77
Length marking 77
Umbilical manufacture and test 78
Umbilical manufacture 78
Qualification and verification tests 80
Factory acceptance tests 81
General 81
Visual and dimensional inspection 81
Electrical continuity at the termination 81
Trial termination fit-up 81
Electric cable 81
Optical fibre cables 82
Hoses 82
Tubes 83
Terminations 83
Continuity check 83
Storage 83
General 83
Protection of unterminated umbilical components 83
Spare length 84
Repair kits 84
Handling for integration tests 84
Pre-installation activity 84
Umbilical information 84
Route information 85
Terminations and ancillary equipment information 85
Host facility information 86
Subsea structure information 86
Host facility visit 86
Load-out 87
General 87
Technical audit of load-out facilities 87
Load-out procedure 88
Pre-load-out meetings 88
Pre-load-out tests 88
Load-out operation 89
Stopping and starting the load-out 90
Handling of the umbilical 90
Load-out monitoring 91
Load-out on a reel or carousel 91
Post-load-out tests 92
Installation operations 92
General 92
Requirements for installation vessel and equipment 92
Pre-installation survey 93
I-tube or J-tube pull-in operations 94
Lay-down of subsea termination (first end) 97
Lay route 97
Handling requirements for the main lay 97
Vessel positioning to achieve required touch-down 98
Control and monitoring of length laid 98
Integrity monitoring during lay 99
Burial operations 100
Approach to subsea termination position (second end) 101
Lay-down of subsea termination 101
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Pull-in of subsea termination 102
Pipeline crossings 102
Buoyancy attachments 102
Arming of the weak link 103
Post-lay survey 103
Post-burial survey 103
Post-pull-in test 103
Post-hook-up test 104
Retrieval of installation aids 104
Contingencies 104
Repairs 105
Post-installation survey 105
Annex A (informative) Information that should be provided in a purchaser's functional specification 106 Annex B (informative) Umbilical testing 113
Annex C (informative) Hose and tube preferred sizes 117
Annex D (normative) Characterization tests for hoses and umbilicals 118
Annex E (informative) Fatigue testing 122
Annex F (informative) Load-effect analysis 124
Annex G (informative) Umbilical full-scale tests 135
Annex H (informative) Tube material matrix 141
Annex I (informative) Tube-wall thickness example calculation 153
Annex J (informative) Buckling of metallic tubes 160
Annex K (informative) Use of the API Monogram Program by Licensees 163
Bibliography 166
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ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 13628-5 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries, Subcommittee SC 4, Drilling and production equipment.
This second edition cancels and replaces the first edition (ISO 13628-5:2002), which has been technically revised.
ISO 13628
pipe systems for subsea and marine applications consists of the following parts, under the general title Petroleum and natural gas industries — Design and operation of subsea production systems:
Part 1: General requirements and recommendations
Part 2: Unbonded flexible pipe systems for subsea and marine applications
Part 3: Through flowline (TFL) systems
Part 4: Subsea wellhead and tree equipment
Part 5: Subsea umbilicals
Part 6: Subsea production control systems
Part 7: Completion/workover riser systems
Part 8: Remotely Operated Vehicle (ROV) interfaces on subsea production systems
Part 9: Remotely Operated Tool (ROT) intervention systems
Part 10: Specification for bonded flexible pipe
Part 11: Flexible
A Part 12, dealing with dynamic production risers, a Part 13, dealing with remotely operated tool and interfaces on subsea production systems, a Part 15, dealing with subsea structures and manifolds, a Part 16, dealing with specification for flexible pipe ancillary equipment, and a Part 17, dealing with recommended practice for flexible pipe ancillary equipment, are under development.
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This part of ISO 13628 is based on the first edition of ISO 13628-5, which was based on API Spec 17E, second edition and API RP 17I, first edition. The first edition of ISO 13628-5 was adopted by API as API Spec 17E, third edition. It is intended that API Spec 17E, fourth edition, will be identical to this International Standard.
It is important that users of this part of ISO 13628 be aware that further or differing requirements can be needed for individual applications. This part of ISO 13628 is not intended to inhibit a vendor from offering, or the purchaser from accepting, alternative equipment engineering solutions for the individual application. This can be particularly applicable if there is innovative or developing technology. If an alternative is offered, it is the responsibility of the vendor to identify any variations from this part of ISO 13628 and provide details.
In this part of ISO 13628, where practical, US Customary (USC) and other units are included in parentheses for information.
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API Specification 17E/ISO 13628-5
Part 5:
This part of ISO 13628 specifies requirements and gives recommendations for the design, material selection, manufacture, design verification, testing, installation and operation of umbilicals and associated ancillary equipment for the petroleum and natural gas industries. Ancillary equipment does not include topside hardware. Topside hardware refers to any hardware that is not permanently attached to the umbilical, above the topside hang-off termination.
This part of ISO 13628 applies to umbilicals containing components, such as electrical cables, optical fibres, thermoplastic hoses and metallic tubes, either alone or in combination.
This part of ISO 13628 applies to umbilicals for static or dynamic service, with surface-surface, surface-subsea and subsea-subsea routings.
This part of ISO 13628 does not apply to the associated component connectors, unless they affect the performance of the umbilical or that of its ancillary equipment.
This part of ISO 13628 applies only to tubes with the following dimensions: wall thickness, t 6 mm, internal diameter, ID 50,8 mm (2 in). Tubular products greater than these dimensions can be regarded as pipe/linepipe and it is expected that they be designed and manufactured according to a recognised pipeline/linepipe standard.
This part of ISO 13628 does not apply to a tube or hose rated lower than 7 MPa (1 015 psi).
This part of ISO 13628 does not apply to electric cable voltage ratings above standard rated voltages
U 0 /U(U m) 3,6/6(7,2) kV rms, where U0, U and Um are as defined in IEC 60502-1 and IEC 60502-2.
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 527 (all parts), Plastics — Determination of tensile properties
ISO 1402, Rubber and plastics hoses and hose assemblies — Hydrostatic testing
ISO 4080, Rubber and plastics hoses and hose assemblies — Determination of permeability to gas
ISO 4406, Hydraulic fluid power — Fluids — Method for coding the level of contamination by solid particles
ISO 4672:1997, Rubber and plastics hoses — Sub-ambient temperature flexibility tests
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