EN ISO 16530-1:2017
(Main)Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance (ISO 16530-1:2017)
Petroleum and natural gas industries - Well integrity - Part 1: Life cycle governance (ISO 16530-1:2017)
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.
Erdöl- und Erdgasindustrie - Bohrungsintegrität - Teil 1: Lebenszykluslenkung (ISO 16530-1:2017)
Dieses Dokument gilt für alle durch die Erdöl- und Erdgasindustrie betriebenen Bohrungen. Dieses Dokument gilt für jede Bohrung oder Gruppe von Bohrungen, unabhängig von deren Alter, Lage (einschließlich Onshore-, Unterwasser- und Offshore-Bohrungen) oder Typ (z. B. Bohrungen mit natürlichem Zufluss, künstlichem Gaslift, Injektion).
Dieses Dokument ist vorgesehen zur Unterstützung der Erdöl- und Erdgasindustrie beim wirksamen Management der Integrität einer Bohrung während ihres Lebenszyklus durch Bereitstellung von:
— Mindestanforderungen für die Sicherstellung des Bohrungsintegritätsmanagements; und
— Empfehlungen und Verfahren, die der Bohrungsbetreiber auf anpassbare Weise anwenden kann, auf der Grundlage bohrungsspezifischer Risikomerkmale.
Die Sicherstellung der Bohrungsintegrität umfasst zwei Hauptbestandteile: erstens die Sicherstellung der Bohrungsintegrität während der Auslegung und Herstellung und zweitens im Anschluss daran das Management der Bohrungsintegrität während der gesamten verbleibenden Lebensdauer der Bohrung.
Dieses Dokument behandelt jede der nachstehend festgelegten sechs Phasen a) bis f) des Lebenszyklus einer Bohrung und beschreibt die zwischen den jeweiligen Phasen innerhalb eines Bohrungsintegritäts-managementsystems zu erbringenden Arbeitsergebnisse:
a) in der „Auslegungsgrundlagenphase“ werden die wahrscheinlichen Gefährdungen in Zusammenhang mit der Sicherheit und der Einwirkung von Umweltbedingungen Über- und Untertage festgestellt, die während des Lebenszyklus einer Bohrung auftreten können. Nach ihrer Feststellung werden diese Gefährdungen und Risiken analysiert, damit Kontrollverfahren für Auslegung und Betrieb in nachfolgenden Phasen des Lebenszyklus einer Bohrung entwickelt werden können;
b) in der „Auslegungsphase“ werden die Kontrollen festgelegt, die bereits bei der Auslegung der Bohrung zu berücksichtigen sind, um geeignete Barrieren zum Management der festgestellten Sicherheits- und Umweltrisiken vorsehen zu können. Bei der Auslegung werden die erwarteten oder vorhersehbaren Änderungen während des Lebenszyklus einer Bohrung berücksichtigt und sichergestellt, dass die erforderlichen Barrieren bereits bei der Auslegung der Bohrung auf das Risiko für Personen und Umwelt abgestimmt sind;
c) in der „Bohr- und Inbetriebnahmephase“ werden die die durchzuführenden Arbeitsschritte (einschließlich Nacharbeit/Reparatur) und durchzuführenden Verifizierungstätigkeiten festgelegt, die für das Erreichen der vorgesehenen Auslegung erforderlich sind oder empfohlen werden. Sie behandelt sämtliche Abweichungen von der Auslegung, die eine erneute Validierung hinsichtlich der identifizierten Gefährdungen und Risiken erfordern;
d) in der „Betriebsphase“ werden die Anforderungen oder Empfehlungen sowie Verfahren für das Bohrungsintegritätsmanagement während des Betriebs festgelegt;
e) in der „Interventionsphase“ (einschließlich Aufwältigung) werden die Mindestanforderungen oder Empfehlungen für die Bewertung der Bohrungsbarrieren vor und nach jeglicher Intervention festgelegt, die das geplante Öffnen des Barrieresystems berücksichtigt;
f) in der „Verfüllungsphase“ werden die Anforderungen oder Empfehlungen für den dauerhaften Verschluss einer Bohrung festgelegt.
Die in diesem Anwendungsbereich festgelegten sechs Phasen des Lebenszyklus einer Bohrung und deren wechselseitige Beziehungen sind in Bild 1 in der Einleitung dargestellt
...
Industrie du pétrole et du gaz naturel - Intégrité du puits - Partie 1 : Gouvernance du cycle de vie (ISO 16530-1:2017)
L'ISO 16530-1:2017 s'applique à tous les puits exploités par l'industrie du pétrole et du gaz naturel. Le présent document s'applique à tout puits ou groupe de puits, indépendamment de son âge, de sa localisation (y compris puits terrestre, sous-marin et en mer) ou de son type (par exemple: puits à écoulement naturel, en activation ou injection).
L'ISO 16530-1:2017 a pour objet d'aider l'industrie du pétrole et du gaz naturel à gérer efficacement l'intégrité du puits pendant son cycle de vie en fournissant:
- les exigences minimales auxquelles satisfaire pour assurer la gestion de l'intégrité du puits; et
- les recommandations et les techniques que les exploitants de puits peuvent appliquer de manière évolutive, en fonction des caractéristiques de risque spécifiques d'un puits.
L'assurance de l'intégrité du puits repose sur deux composantes principales: premièrement, assurer l'intégrité du puits pendant sa conception et sa construction et, deuxièmement, gérer par la suite l'intégrité du puits pendant sa durée de vie restante.
L'ISO 16530-1:2017 traite de chaque étape du cycle de vie du puits, telle que définie par les six phases a) à f), et décrit les livrables requis entre chaque phase dans le cadre d'un système de gestion de l'intégrité du puits:
a) La «Phase de base de conception» identifie les expositions probables, ayant une incidence sur la sécurité et l'environnement, aux phénomènes dangereux et risques en surface et subsurface pouvant être rencontrés pendant le cycle de vie du puits. Une fois identifiés, ces phénomènes dangereux et risques sont évalués de sorte que des méthodes de contrôle de la conception et de l'exploitation puissent être mises au point dans les phases suivantes du cycle de vie du puits.
b) La «Phase de conception» identifie les mesures de contrôle à intégrer à la conception du puits, de manière à pouvoir établir des barrières appropriées pour gérer les phénomènes dangereux identifiés relatifs à la sécurité et à l'environnement. La conception traite des changements attendus ou prévus pendant le cycle de vie du puits et assure que les barrières nécessaires dans la conception du puits sont basées sur l'exposition au risque des personnes et de l'environnement.
c) La «Phase de construction» définit les éléments qu'il est nécessaire ou recommandé de construire (y compris reprise/réparation) ainsi que les activités de vérification qu'il faut réaliser afin d'obtenir la conception désirée. Elle traite des changements dans la conception qui nécessitent une revalidation en fonction des phénomènes dangereux et risques identifiés.
d) La «Phase d'exploitation» définit les exigences ou recommandations et les méthodes concernant la gestion de l'intégrité du puits pendant son exploitation.
e) La «Phase d'intervention» (y compris reconditionnement) définit les exigences minimales ou les recommandations concernant l'évaluation des barrières du puits avant et après une intervention sur le puits nécessitant la rupture du système de confinement constitué par les barrières du puits.
f) La «Phase d'abandon» définit les exigences ou les recommandations relatives à l'abandon définitif d'un puits.
Les six phases du cycle de vie du puits, telles que définies dans le présent article «Domaine d'application», et leurs interrelations sont illustrées à la Figure 1de l'Introduction.
L'ISO 16530-1:2017 n'est pas applicable au contrôle du puits. Le contrôle du puits désigne les activités mises en place pour prévenir
Industrija za predelavo nafte in zemeljskega plina - Celovitost vrtine - 1. del: Upravljanje življenjskega cikla (ISO 16530-1:2017)
Ta standard o celovitosti vrtine podaja navodila za industrijo za predelavo nafte in zemeljskega plina za učinkovito upravljanje celovitosti vrtine med delujočim stanjem vrtine. »Delujoče stanje vrtine« je opredeljeno kot življenjski cikel vrtine od predaje v fazi izgradnje do faze opustitve, kar zagotavlja skladnost z določeno ovojnico za varno obratovanje. Standard obravnava proces upravljanja celovitosti vrtine z identificiranimi vrstami vrtin glede na tveganje izpostavljenosti za ljudi, okolje, sredstva in ugled, podporo pa zagotavljajo povezani načrti vzdrževanja/nadzora, tehnični pregledi in upravljanje sprememb, kot je podrobno navedeno v naslednjih korakih:
1. Proaktivni proces spremljanja vrtine/pregleda na terenu za ovojnico za varno obratovanje vrtine, ki vključuje spremembe parametrov toka, sestave plina ali pretoka, tlaka vmesnih prostorov, korozije ali obrabe, kar zagotavlja, da vrtina obratuje varno v okviru svojih omejitev. Spremembe ovojnic za obratovanje je treba zabeležiti, povezano opravilo za zagotavljanje vzdrževanja in nadzora stanja vrtine pa je treba posodobiti.
2. Vrste vrtin, določene na podlagi okolja (na kopnem, na morju, pod morjem) in funkcionalnosti (injektor, proizvajalec, umetno dviganje, plin, nafta, voda) s podanimi ovojnicami za obratovanje ali pregradnimi elementi. Zahteve za pregradne elemente temeljijo na morebitnem tveganju za izliv vrtine in resnosti vpliva na okolje. Vrsta vrtine določa pogostost pregledov in vzdrževanja določenih pregrad, da se zmanjša tveganje za okolje, ljudi, sredstva in ugled.
3. Nadzor na podlagi tveganja in načrti vzdrževanja na podlagi vrste vrtine in izpostavljenosti tveganju, ki zagotavljajo, da se vrtine vzdržujejo v ovojnicah za varno obratovanje. Za zmanjšanje tveganja za nenadzorovano sproščanje ogljikovodikov ali povezanih proizvodov pri proizvodnih ali brizgalnih dejavnostih v okolje (ozračje/morje/močvirje/kopno ali vodonosniki) v življenjskem ciklu posamezne vrtine.
General Information
Relations
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
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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
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