ISO TS 16530-2-2014 Well integrity - Part 2 Well integrity for the operational phase《良好的整体性 第2部分 运作阶段的良好整体性》.pdf

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1、 ISO 2014Well integrity Part 2: Well integrity for the operational phaseIntgrit du puits Partie 2: Intgrit du puits pour la phase oprationnelleTECHNICAL SPECIFICATIONISO/TS16530-2First edition2014-08-15Reference numberISO/TS 16530-2:2014(E)ISO/TS 16530-2:2014(E)ii ISO 2014 All rights reservedCOPYRIG

2、HT PROTECTED DOCUMENT ISO 2014All 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 permissio

3、n. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandISO/TS 16530-2:2014(E)

4、 ISO 2014 All rights reserved iiiContents PageForeword viIntroduction vii1 Scope . 12 Normative references 23 Terms, definitions and abbreviated terms 24 Abbreviated terms 85 Well integrity management system .105.1 Well integrity management . 105.2 Well integrity management system 106 Well integrity

5、 policy and strategy 106.1 Well integrity policy 106.2 Well integrity strategy . 107 Resources, roles, responsibilities and authority levels 117.1 Organizational structure . 117.2 Competency 118 Risk assessment aspects of well integrity management 118.1 General 118.2 Risk assessment considerations f

6、or well integrity .128.3 Risk assessment techniques . 158.4 Application of risk assessment in establishing monitoring, surveillance and maintenance requirements . 168.5 Application of risk assessment in the assessment of well integrity anomalies .178.6 Failure rate trending . 179 Well barriers 189.1

7、 General 189.2 Barrier philosophy 189.3 Well barrier envelopes 199.4 Well barrier element . 199.5 Documenting of well barrier envelopes and well barrier elements 2010 Well component performance standard .2010.1 General 2010.2 Acceptance criteria and acceptable leak rates 2110.3 Measuring the leak ra

8、te 2310.4 Effects of temperature . 2310.5 Direction of flow . 2310.6 Integrity of barriers to conduct well maintenance and repair .2310.7 ESD/related safety systems 2310.8 Well component operating procedure . 2411 Well operating and component limits .2411.1 Well operating limits . 2411.2 Well load a

9、nd tubular stress analysis . 2511.3 Further well-use review . 2611.4 End-of-life review 2611.5 Management of change to the operating limits .2612 Well monitoring and surveillance .2612.1 General 2612.2 Monitoring and surveillance frequency . 2712.3 Shut-in wells . 2712.4 Suspended wells . 27ISO/TS 1

10、6530-2:2014(E)iv ISO 2014 All rights reserved12.5 Visual inspection 2812.6 Well logging 2812.7 Corrosion monitoring. 2912.8 Cathodic protection monitoring 2912.9 Erosion monitoring 3012.10 Structural integrity monitoring . 3013 Annular pressure management .3213.1 General 3213.2 Management . 3213.3 S

11、ources of annular pressure . 3213.4 Annulus pressure monitoring and testing . 3313.5 Frequency of monitoring tubing and annulus casing pressures .3313.6 Identification of an annulus pressure source 3413.7 Maximum allowable annular surface pressure 3413.8 Maintaining annulus pressure within the thres

12、holds 3713.9 Review and change of MAASP and thresholds3714 Well handover.3814.1 General 3815 Well maintenance .3915.1 General 3915.2 Replacement parts 4015.3 Frequency of maintenance. 4015.4 Component testing methods 4015.5 Leak testing . 4216 Well integrity failure management 4316.1 General 4316.2

13、Integrity failure ranking and prioritization 4316.3 Well failure model . 4317 Management of change .4417.1 General 4417.2 Integrity deviation process . 4517.3 Deviation from the well performance standard 4517.4 MOC Process . 4518 Well records and well integrity reporting .4618.1 General 4618.2 Well

14、records 4718.3 Reports 4719 Performance monitoring of well integrity management systems 4819.1 Performance monitoring and continuous improvement .4819.2 Performance review 4819.3 Key performance indicator monitoring 5020 Compliance audit 5120.1 General 5120.2 Audit process . 52Annex A (informative)

15、Well integrity roles and responsibilities chart .53Annex B (informative) Example of competency matrix .54Annex C (informative) Barrier element acceptance table .55Annex D (informative) Well barrier schematic .56Annex E (informative) Example Performance standard for well safety critical elements .58A

16、nnex F (informative) Well barrier elements, functions and failure modes .59Annex G (informative) Example of possible well leak paths .62ISO/TS 16530-2:2014(E) ISO 2014 All rights reserved vAnnex H (informative) Example of leak testing gas lift valves 64Annex I (informative) Leak rate determination c

17、alculations 66Annex J (informative) Well operating limits 69Annex K (informative) MAASP calculations .71Annex L (informative) Example A change in MAASP calculation 79Annex M (normative) Information required of well handover .81Annex N (informative) Function testing by analysing hydraulic signature .

18、84Bibliography .86ISO/TS 16530-2:2014(E)ForewordISO (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 bod

19、y 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 Electrote

20、chnical 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

21、 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 res

22、ponsible 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 giv

23、en for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the followin

24、g URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 67, Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries, Subcommittee SC 4, Drilling and production equipment.ISO/TS 16530 consists of the following parts

25、, under the general title Well integrity: Part 2: Well integrity for the operational phaseThe following parts are under preparation: Part 1: Life cycle governance manualvi ISO 2014 All rights reservedISO/TS 16530-2:2014(E)IntroductionThis Technical Specification has been developed by producing opera

26、ting companies for oil and gas, and is intended for use in the petroleum and natural gas industry worldwide. This Technical Specification is intended to give requirements and information to the Well Operator on managing well integrity for the operational phase. Furthermore, this Technical Specificat

27、ion addresses the minimum compliance requirements for the Well Operator, in order to claim conformity with this Technical Specification.It is necessary that users of this Technical Specification are aware that requirements above those outlined in this Technical Specification can be needed for indivi

28、dual applications. This Technical Specification is not intended to inhibit or replace legal requirements; it is in addition to the legal requirements; where there is a conflict the legal requirement always takes precedence. This can be particularly applicable where there is innovative or developing

29、technology, with changes in field or well design operating philosophy.This Technical Specification addresses the process of managing well integrity by assuring compliance to the specified operating limits for identified well types, that are defined based on exposure of risk to people, environment, a

30、ssets and reputation, supported by associated well maintenance/monitoring plans, technical reviews and management of change.The following terminology is used in this Technical Specification.a) The term “shall” or “must” denotes a minimum requirement in order to conform to this Technical Specificatio

31、n.b) The term “should” denotes a recommendation or that which is advised but not required in order to conform to this Technical Specification.c) The term “may” is used to indicate a course of action permissible within the limits of the document.d) The term “consider” is used to indicate a suggestion

32、 or to advise.e) The term “can” is used to express possibility or capability. ISO 2014 All rights reserved viiWell integrity Part 2: Well integrity for the operational phaseIMPORTANT The electronic file of this document contains colours which are considered to be useful for the correct understanding

33、 of the document. Users should therefore consider printing this document using a colour printer.1 ScopeThis Technical Specification provides requirements and methods to the oil and gas industry to manage well integrity during the well operational phase.The operational phase is considered to extend f

34、rom handover of the well after construction, to handover prior to abandonment. This represents only the period during the life cycle of the well when it is being operated and is illustrated in Figure 1.The scope of the Technical Specification includes: A description of the processes required to asse

35、ss and manage risk within a defined framework. The risk assessment process also applies when deviating from this Technical Specification. The process of managing well integrity by operating wells in compliance with operating limits for all well types that are defined based on exposure of risk to peo

36、ple, environment, assets and reputation. The management of well integrity is supported by associated maintenance/monitoring plans, technical reviews and the management of change. The assessment of existing assets (wells / fields) in order to start the process of Well Integrity Management in accordan

37、ce with this technical specification. The handover process required when changing from one activity to another during the operational phase.The scope of the Technical Specification applies to all wells that are utilized by the oil and gas industry, regardless of their age, type or location.The scope

38、 of the Technical Specification does NOT apply to: The periods during well intervention or work-over activities but it DOES include the result of the intervention and any impact that this can have to the well envelope and the associated well barriers. The equipment that is required or used outside t

39、he well envelope for a well intervention such as wire-line or coiled tubing or a pumping package.TECHNICAL SPECIFICATION ISO/TS 16530-2:2014(E) ISO 2014 All rights reserved 1ISO/TS 16530-2:2014(E)WellPlanningWellConstructionWellHand-overWellOperationalPhaseWellInterventionor Workover WellHand-overWe

40、llHand-overWellAbandonmentDetailedWellDesignFigure 1 Illustration of the scope of this Technical Specification2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edit

41、ion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 10417:2004, Petroleum and natural gas industries Subsurface safety valve systems Design, installation, operation and redressAPI RP 14H, Recommended Practice for Installatio

42、n, Maintenance and Repair of Surface Safety Valves and Underwater Safety Valves Offshore, Fifth Edition3 Terms, definitions and abbreviated termsFor the purposes of this document, the following terms and definitions apply.3.1A-annulusdesignation of annulus between the production tubing and productio

43、n casingSOURCE: API RP 90, modified3.2abandoned wellpermanent subsurface isolation of the well3.3ambient pressurepressure external to the wellheadNote 1 to entry: In the case of a surface wellhead, the pressure is zero psig. In the case of a subsea wellhead, it is equal to the hydrostatic pressure o

44、f seawater at the depth of the subsea wellhead, in psig.SOURCE: API RP 90, modified2 ISO 2014 All rights reservedISO/TS 16530-2:2014(E)3.4anomalycondition that differs from what is expected or typical, or which differs from that predicted by a theoretical model3.5B-annulusdesignation of annulus betw

45、een the production casing and the next outer casingNote 1 to entry: The letter designation continues in sequence for each outer annular space encountered between casing strings, up to and including the surface casing and conductor casing strings.SOURCE: API RP 90, modified3.6breaking of containmentb

46、reaking into the containment system of integrity or barrier envelope3.7competencyability of an individual to perform a job properly through a combination of training, demonstrated skills and accumulated experience3.8componentmechanical part, including cement, used in the construction of a well3.9con

47、ductor casingelement that provides structural support for the well, wellhead and completion equipment, and often for hole stability for initial drilling operationsNote 1 to entry: This casing string is not designed for pressure containment, but upon completion of the well, it may have a casing head;

48、 therefore, it can be capable of containing low annular pressures. For subsea and hybrid wells, the low pressure subsea wellhead is normally installed on this casing string.SOURCE: API RP 90, modified3.10consequenceexpected effect of an event that occurs3.11deep-setbelow or close to the production p

49、acker, or at the cap rock of a reservoir to isolate the production tubing or casing from the producing reservoir3.12deviationdeparture from a standard3.13double-block and bleed principleoperation with two valves or seals, in series, or a valve and a blind cap in all relevant, utilized flow paths into and out of the well that are not connected to a closed system3.14failureloss of intended function ISO 2014 All rights reserved 3ISO/TS 16530-2:2014(E)3.15failure modedescription of the method of failure3.16failure modes and