EN ISO 16530-1:2017
(Main)Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance (ISO 16530-1:2017)
General Information
- Abstract
ISO 16530-1:2017 is applicable to all wells that are operated by the petroleum and natural gas industry. This document is applicable to any well, or group of wells, regardless of their age, location (including onshore, subsea and offshore wells) or type (e.g. naturally flowing, artificial lift, injection wells).
ISO 16530-1:2017 is intended to assist the petroleum and natural gas industry to effectively manage well integrity during the well life cycle by providing:
- minimum requirements to ensure management of well integrity; and
- recommendations and techniques that well operators can apply in a scalable manner based on a well's specific risk characteristics.
Assuring well integrity comprises two main building blocks: the first is to ensure well integrity during well design and construction, and the second is to manage well integrity throughout the remaining well life thereafter.
This document addresses each stage of the well life cycle, as defined by the six phases in a) to f), and describes the deliverables between each phase within a Well Integrity Management system.
a) The "Basis of Design Phase" identifies the probable safety and environmental exposure to surface and subsurface hazards and risks that can be encountered during the well life cycle. Once identified, these hazards and risks are assessed such that control methods of design and operation can be developed in subsequent phases of the well life cycle.
b) The "Design Phase" identifies the controls that are to be incorporated into the well design, such that appropriate barriers can be established to manage the identified safety and environmental hazards. The design addresses the expected, or forecasted, changes during the well life cycle and ensures that the required barriers in the well's design are based on risk exposure to people and the environment.
c) The "Construction Phase" defines the required or recommended elements to be constructed (including rework/repair) and verification tasks to be performed in order to achieve the intended design. It addresses any variations from the design which require a revalidation against the identified hazards and risks.
d) The "Operational Phase" defines the requirements or recommendations and methods for managing well integrity during operation.
e) The "Intervention Phase" (including work-over) defines the minimum requirements or recommendations for assessing well barriers prior to, and after, any well intervention that involves breaking the established well barrier containment system.
f) The "Abandonment Phase" defines the requirements or recommendations for permanently abandoning a well.
The six phases of the well life cycle, as defined in this Scope, and their interrelationships, are illustrated in Figure 1 in the Introduction.
ISO 16530-1:2017 is not applicable to well control. Well control refers to activities implemented to prevent or mitigate unintentional release of formation fluids from the well to its surroundings during drilling, completion, intervention and well abandonment operations, and involves dynamic elements, i.e. BOPs, mud pumps, mud systems, etc.
ISO 16530-1:2017 is not applicable to wellbore integrity, sometimes referred to as "borehole stability". Wellbore integrity is the capacity of the drilled open hole to maintain its shape and remain intact after having been drilled.
- Status
- Published
- Publication Date
- 21-Mar-2017
- Withdrawal Date
- 29-Sep-2017
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 22-Mar-2017
- Completion Date
- 22-Mar-2017
Overview
EN ISO 16530-1:2017 - "Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance" (ISO 16530-1:2017) sets out a governance framework for managing well integrity across the entire well life cycle. Applicable to all wells (onshore, offshore, subsea; production, injection or artificially lifted), the standard provides minimum requirements and scalable recommendations so operators can manage well integrity in proportion to the well’s risk profile. It explicitly excludes well control and borehole stability.
Key topics and technical requirements
- Well life cycle phases: Defines six lifecycle phases - Basis of Design, Design, Construction, Operational, Intervention (including work-over), and Abandonment - and the deliverables between phases.
- Well integrity management system (WIMS): Establishes a governance structure, roles and responsibilities, documentation, reporting and handover processes to ensure consistent integrity practices.
- Risk assessment and risk register: Requires identification, assessment and documentation of hazards and risks to develop appropriate control measures and a well-type risk profile.
- Barrier philosophy and verification: Describes barrier types (technical, operational, human, administrative, impact) and requires verification and testing (function tests, barrier verification tests, modelling as appropriate).
- Performance standards and operating limits: Specifies that equipment and operational limits must be defined, monitored and managed to maintain barrier integrity.
- Change control and assurance: Mandates Management of Change (MOC) procedures, dispensation processes, quality assurance/approval and continuous improvement mechanisms (KPIs, lessons learned).
- Auditing and documentation: Calls for regular auditing, comprehensive documentation of well integrity status and phase-specific deliverables.
Practical applications and users
Who uses EN ISO 16530-1:
- Operator companies establishing or improving a well integrity management system across portfolios.
- Well designers and drilling/completion engineers applying barrier-based design and risk controls.
- Field operations and asset teams responsible for operational limits, verification and interventions.
- Service companies and contractors performing construction, testing and interventions in compliance with the operator’s WIMS.
- Regulators and auditors assessing governance, documentation and compliance with industry best practice.
Practical uses:
- Creating or updating a fit-for-purpose WIMS for onshore, offshore or subsea wells.
- Defining phase deliverables and handover criteria between design, construction and operations teams.
- Structuring risk-based verification programmes and failure-mitigation strategies for existing wells.
- Standardising barrier verification, MOC and audit practices across multiple assets.
Related standards
- Use alongside other ISO/CEN and national standards for petroleum and natural gas operations, and with industry guidance on specific well life-cycle activities (design, completion, abandonment) to achieve comprehensive well integrity governance.
Keywords: ISO 16530-1, well integrity, life cycle governance, well life cycle, well integrity management system, well barriers, risk assessment, petroleum and natural gas.
Relations
- Consolidated By
ISO 16530-1:2017 - Petroleum and natural gas industries — Well integrity — Part 1: Life cycle governance - Effective Date
- 12-Feb-2026
- Effective Date
- 02-Oct-2024
Get Certified
Connect with accredited certification bodies for this standard
Element Materials Technology
Materials testing and product certification.
ABS Group Brazil
ABS Group certification services in Brazil.
ABS Quality Evaluations Inc.
American Bureau of Shipping quality certification.
Sponsored listings
Frequently Asked Questions
EN ISO 16530-1:2017 is a standard published by the European Committee for Standardization (CEN). Its full title is "Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance (ISO 16530-1:2017)". This standard covers: ISO 16530-1:2017 is applicable to all wells that are operated by the petroleum and natural gas industry. This document is applicable to any well, or group of wells, regardless of their age, location (including onshore, subsea and offshore wells) or type (e.g. naturally flowing, artificial lift, injection wells). ISO 16530-1:2017 is intended to assist the petroleum and natural gas industry to effectively manage well integrity during the well life cycle by providing: - minimum requirements to ensure management of well integrity; and - recommendations and techniques that well operators can apply in a scalable manner based on a well's specific risk characteristics. Assuring well integrity comprises two main building blocks: the first is to ensure well integrity during well design and construction, and the second is to manage well integrity throughout the remaining well life thereafter. This document addresses each stage of the well life cycle, as defined by the six phases in a) to f), and describes the deliverables between each phase within a Well Integrity Management system. a) The "Basis of Design Phase" identifies the probable safety and environmental exposure to surface and subsurface hazards and risks that can be encountered during the well life cycle. Once identified, these hazards and risks are assessed such that control methods of design and operation can be developed in subsequent phases of the well life cycle. b) The "Design Phase" identifies the controls that are to be incorporated into the well design, such that appropriate barriers can be established to manage the identified safety and environmental hazards. The design addresses the expected, or forecasted, changes during the well life cycle and ensures that the required barriers in the well's design are based on risk exposure to people and the environment. c) The "Construction Phase" defines the required or recommended elements to be constructed (including rework/repair) and verification tasks to be performed in order to achieve the intended design. It addresses any variations from the design which require a revalidation against the identified hazards and risks. d) The "Operational Phase" defines the requirements or recommendations and methods for managing well integrity during operation. e) The "Intervention Phase" (including work-over) defines the minimum requirements or recommendations for assessing well barriers prior to, and after, any well intervention that involves breaking the established well barrier containment system. f) The "Abandonment Phase" defines the requirements or recommendations for permanently abandoning a well. The six phases of the well life cycle, as defined in this Scope, and their interrelationships, are illustrated in Figure 1 in the Introduction. ISO 16530-1:2017 is not applicable to well control. Well control refers to activities implemented to prevent or mitigate unintentional release of formation fluids from the well to its surroundings during drilling, completion, intervention and well abandonment operations, and involves dynamic elements, i.e. BOPs, mud pumps, mud systems, etc. ISO 16530-1:2017 is not applicable to wellbore integrity, sometimes referred to as "borehole stability". Wellbore integrity is the capacity of the drilled open hole to maintain its shape and remain intact after having been drilled.
ISO 16530-1:2017 is applicable to all wells that are operated by the petroleum and natural gas industry. This document is applicable to any well, or group of wells, regardless of their age, location (including onshore, subsea and offshore wells) or type (e.g. naturally flowing, artificial lift, injection wells). ISO 16530-1:2017 is intended to assist the petroleum and natural gas industry to effectively manage well integrity during the well life cycle by providing: - minimum requirements to ensure management of well integrity; and - recommendations and techniques that well operators can apply in a scalable manner based on a well's specific risk characteristics. Assuring well integrity comprises two main building blocks: the first is to ensure well integrity during well design and construction, and the second is to manage well integrity throughout the remaining well life thereafter. This document addresses each stage of the well life cycle, as defined by the six phases in a) to f), and describes the deliverables between each phase within a Well Integrity Management system. a) The "Basis of Design Phase" identifies the probable safety and environmental exposure to surface and subsurface hazards and risks that can be encountered during the well life cycle. Once identified, these hazards and risks are assessed such that control methods of design and operation can be developed in subsequent phases of the well life cycle. b) The "Design Phase" identifies the controls that are to be incorporated into the well design, such that appropriate barriers can be established to manage the identified safety and environmental hazards. The design addresses the expected, or forecasted, changes during the well life cycle and ensures that the required barriers in the well's design are based on risk exposure to people and the environment. c) The "Construction Phase" defines the required or recommended elements to be constructed (including rework/repair) and verification tasks to be performed in order to achieve the intended design. It addresses any variations from the design which require a revalidation against the identified hazards and risks. d) The "Operational Phase" defines the requirements or recommendations and methods for managing well integrity during operation. e) The "Intervention Phase" (including work-over) defines the minimum requirements or recommendations for assessing well barriers prior to, and after, any well intervention that involves breaking the established well barrier containment system. f) The "Abandonment Phase" defines the requirements or recommendations for permanently abandoning a well. The six phases of the well life cycle, as defined in this Scope, and their interrelationships, are illustrated in Figure 1 in the Introduction. ISO 16530-1:2017 is not applicable to well control. Well control refers to activities implemented to prevent or mitigate unintentional release of formation fluids from the well to its surroundings during drilling, completion, intervention and well abandonment operations, and involves dynamic elements, i.e. BOPs, mud pumps, mud systems, etc. ISO 16530-1:2017 is not applicable to wellbore integrity, sometimes referred to as "borehole stability". Wellbore integrity is the capacity of the drilled open hole to maintain its shape and remain intact after having been drilled.
EN ISO 16530-1:2017 is classified under the following ICS (International Classification for Standards) categories: 75.180.10 - Exploratory, drilling and extraction equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
EN ISO 16530-1:2017 has the following relationships with other standards: It is inter standard links to ISO 16530-1:2017, prEN ISO 16530. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN ISO 16530-1:2017 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2017
Industrija za predelavo nafte in zemeljskega plina - Celovitost vrtine - 1. del:
Upravljanje življenjskega cikla (ISO 16530-1:2017)
Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance (ISO
16530-1:2017)
Erdöl- und Erdgasindustrie - Rohrleitungstransportsysteme - Auslegung, Konstruktion
und Instandhaltung von stahlverkleideten Rohrleitungen (ISO 16530-1:2017)
Pétrole et industries du gaz naturel - Intégrité du puits - Partie 1: Gouvernance du cycle
de vie (ISO 16530-1:2017)
Ta slovenski standard je istoveten z: EN ISO 16530-1:2017
ICS:
13.020.60 Življenjski ciklusi izdelkov Product life-cycles
75.180.10 Oprema za raziskovanje, Exploratory, drilling and
vrtanje in odkopavanje extraction equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 16530-1
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2017
EUROPÄISCHE NORM
ICS 75.180.10
English Version
Petroleum and natural gas industries - Well integrity - Part
1: Life cycle governance (ISO 16530-1:2017)
Pétrole et industries du gaz naturel - Intégrité du puits Erdöl- und Erdgasindustrie - Bohrungsintegrität - Teil
- Partie 1: Gouvernance du cycle de vie (ISO 16530- 1: Leitlinien zur Lebenszykluslenkung (ISO 16530-
1:2017) 1:2017)
This European Standard was approved by CEN on 3 February 2017.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 16530-1:2017 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 16530-1:2017) has been prepared by Technical Committee ISO/TC 67
"Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries"
in collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures
for petroleum, petrochemical and natural gas industries” the secretariat of which is held by NEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2017 and conflicting national standards
shall be withdrawn at the latest by September 2017.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent
rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom
Endorsement notice
The text of ISO 16530-1:2017 has been approved by CEN as EN ISO 16530-1:2017 without any
modification.
INTERNATIONAL ISO
STANDARD 16530-1
First edition
2017-03
Petroleum and natural gas
industries — Well integrity —
Part 1:
Life cycle governance
Pétrole et industries du gaz naturel — Intégrité du puits —
Partie 1: Gouvernance du cycle de vie
Reference number
ISO 16530-1:2017(E)
©
ISO 2017
ISO 16530-1:2017(E)
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved
ISO 16530-1:2017(E)
Contents Page
Foreword .vii
Introduction .viii
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 Abbreviated terms .10
5 Common elements of the well integrity life cycle .11
5.1 General .11
5.2 Well integrity .11
5.3 Well integrity policy .12
5.4 Well integrity management system.12
5.5 Risk assessment .12
5.5.1 General.12
5.5.2 Risk register .13
5.5.3 Well type risk profile .14
5.6 Organizational structure and tasks .14
5.7 Barriers .14
5.7.1 General.14
5.7.2 Barrier philosophy .15
5.7.3 Well barriers .15
5.7.4 Operational barriers .17
5.7.5 Human barriers .17
5.7.6 Administrative controls .17
5.7.7 Impact barriers .18
5.8 Performance standards for equipment .18
5.8.1 General.18
5.8.2 Well operating limits .18
5.9 Well barrier verification .19
5.9.1 General.19
5.9.2 Function testing .19
5.9.3 Barrier verification testing .19
5.9.4 Direction of flow .20
5.9.5 Effects of temperature . .21
5.9.6 Modelling verification .21
5.10 Reporting and documentation .21
5.10.1 General.21
5.10.2 Well integrity status reporting.21
5.10.3 Well life cycle phase deliverables .22
5.10.4 Well handover process . .23
5.11 Management of change .23
5.11.1 General.23
5.11.2 MOC process .23
5.11.3 Dispensation from the WIMS .24
5.12 Continuous improvement .24
5.12.1 General.24
5.12.2 Key performance indicator monitoring .24
5.12.3 Lessons learned .25
5.13 Auditing .25
5.13.1 General.25
5.13.2 Audit process .25
6 Basis of design phase .25
6.1 Basis of design phase objectives .25
ISO 16530-1:2017(E)
6.2 Organizational structure and tasks .26
6.3 Well barriers .27
6.4 Hazard identification and assessment .27
6.5 Well integrity considerations for the basis of design.28
6.5.1 General information to be provided .28
6.5.2 Well objectives and life cycle .28
6.5.3 Inflow requirements .28
6.5.4 Outflow requirements .29
6.5.5 Well location and targets .29
6.5.6 Prognoses regarding geological formations, pore pressure, formation
strength and temperature .29
6.5.7 Data acquisition requirements .29
6.5.8 Other considerations for well integrity .30
6.5.9 Production and injection characteristics affecting well integrity through
the life cycle .30
6.6 Quality assurance and approval process .30
6.7 Deliverables .30
7 Well design phase .31
7.1 Well design phase objectives .31
7.2 Organizational structure and tasks .31
7.3 Risk controls in well design .32
7.3.1 Risk register .32
7.3.2 Lessons learned .33
7.3.3 Well life cycle risk considerations .33
7.3.4 Additional considerations during well design .34
7.4 Well barriers .36
7.4.1 General.36
7.4.2 Well barrier plan .36
7.4.3 WBE design performance standards .37
7.4.4 Verification of the final well barrier .38
7.4.5 Emergency shutdown related safety systems .38
7.5 Well operating limits .39
7.6 Contingency planning for well construction .39
7.7 Surveillance and monitoring requirements .39
7.8 Well design deliverables, reporting and documentation .40
8 Well construction phase .40
8.1 Well construction phase objectives .40
8.2 Organizational structure and tasks .41
8.3 Well programme .42
8.4 Well barrier schematic .42
8.5 Barrier verification .42
8.5.1 General.42
8.5.2 Wellhead movement and fatigue.42
8.5.3 Cement .43
8.5.4 Casing shoe testing.43
8.5.5 Wellhead seal profile .44
8.5.6 Tubular connections .44
8.5.7 Casing wear .44
8.6 Risk identification and assessment .44
8.7 Management of change .44
8.7.1 Potential changes to the well plan .44
8.7.2 Suspended well considerations .45
8.8 Deliverables (reporting and documentation) .45
8.8.1 Well handover information .45
8.8.2 Risk register .46
8.9 Continuous improvement .46
9 Well operational phase .46
iv © ISO 2017 – All rights reserved
ISO 16530-1:2017(E)
9.1 Well operational phase objectives .46
9.2 Organizational structure and tasks .47
9.3 Well barriers .47
9.3.1 General.47
9.3.2 Performance standards .47
9.3.3 Leak rates .48
9.4 Well monitoring and surveillance.51
9.4.1 General.51
9.4.2 Monitoring and surveillance frequency .51
9.4.3 Well operating limits .52
9.4.4 Suspended and shut-in wells .53
9.4.5 Visual inspection .53
9.4.6 Well logging .53
9.4.7 Corrosion monitoring .53
9.4.8 Corrosion monitoring and prevention – external.54
9.4.9 Erosion monitoring . .54
9.4.10 Structural integrity monitoring .54
9.4.11 Well elevation monitoring .55
9.4.12 Reservoir subsidence .56
9.5 Annulus pressure management .56
9.5.1 Management considerations .56
9.5.2 Sources of annulus pressure .56
9.5.3 Annulus pressure monitoring and testing .57
9.5.4 Frequency of monitoring tubing and annulus casing pressures .58
9.5.5 Investigation of annulus pressure.58
9.5.6 Maximum allowable annulus surface pressure .59
9.5.7 Maintaining annulus pressure within the thresholds . .61
9.5.8 Review and change of MAASP and thresholds .61
9.6 Well maintenance .62
9.6.1 General.62
9.6.2 Replacement parts.63
9.6.3 Frequency of maintenance .63
9.6.4 Component testing methods .64
9.7 Risk assessment of well integrity failure and its management .64
9.7.1 General.64
9.7.2 Integrity failure ranking and prioritization .64
9.7.3 Well failure model .64
9.8 Reporting and documentation .65
9.9 Periodic well review .66
9.9.1 Well use review .66
9.9.2 End of well life review .66
9.10 Change of well use .67
9.11 Well stock performance review .67
9.12 Continuous improvement .69
10 Well intervention phase .69
10.1 Well intervention phase objectives .69
10.2 Organizational structure and tasks .70
10.3 Well handover .71
10.4 Well intervention programme .71
10.5 Well barriers .71
10.5.1 General.71
10.5.2 Well barrier plans .72
10.5.3 Well barrier qualification .72
10.5.4 Well barrier verification .72
10.5.5 Well operating limits .72
10.6 Risk management .72
10.7 Management of change .73
10.8 Deliverables (documentation and reports) .73
ISO 16530-1:2017(E)
11 Well abandonment phase .73
11.1 Well abandonment phase objectives .73
11.2 Organizational structure and tasks .74
11.3 Well abandonment programme .75
11.4 Well barriers for abandonment .75
11.4.1 General.75
11.4.2 Well barrier material selection and qualification .76
11.4.3 Well barrier placement, configuration and redundancy .76
11.4.4 Well barrier verification .76
11.4.5 Reference documents for well abandonment barriers .76
11.5 Risk management .77
11.6 Management of change .77
11.7 Deliverables (documentation and reports) .77
Annex A (informative) Risk assessment techniques .79
Annex B (informative) Risk register .82
Annex C (informative) Example of well integrity roles and responsibilities chart .85
Annex D (informative) Example of a well integrity competence matrix .86
Annex E (informative) Examples of well barrier elements, functions and failure characteristics .88
Annex F (informative) Examples of well barriers during the well life cycle and a well
barrier schematic .91
Annex G (informative) Example of performance standard for well barrier elements .96
Annex H (informative) Function testing by analysing hydraulic signature .98
Annex I (informative) Determination of leak rate .100
Annex J (informative) Well handover .104
Annex K (informative) Examples of key performance indicators .106
Annex L (informative) Example of hazard identification checklist .107
Annex M (informative) Example plot of pore pressure versus formation strength .108
Annex N (informative) Well barrier element performance requirements .109
Annex O (informative) Example of leak testing of gas-lift valves .110
Annex P (informative) Example of well operating limits.112
Annex Q (informative) Example of possible well leak paths .114
Annex R (informative) MAASP calculations .115
Annex S (informative) Example of a change in MAASP calculations .121
Bibliography .123
vi © ISO 2017 – All rights reserved
ISO 16530-1:2017(E)
Foreword
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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO’s adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: w w w . i s o .org/ iso/ foreword .html.
This document 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.
A list of all parts in the ISO 16530 series can be found on the ISO website.
ISO 16530-1:2017(E)
Introduction
This document has been developed by oil and gas producing operating companies and is intended
for use in the petroleum and natural gas industries worldwide. This document is intended to provide
guidance to the well operator on managing well integrity throughout the well life cycle. Furthermore,
this document addresses the minimum compliance requirements for the well operator in order to claim
conformity with this document.
It is necessary that users of this document are aware that requirements over and above those outlined
he
...