1、BRITISH STANDARD BS EN ISO 13703:2000 Incorporating corrigenda July 2002 and August 2002 Petroleum and natural gas industries Design and installation of piping systems on offshore production platforms ICS 75.180.10 BS EN ISO 13703:2000 This British Standard was published under the authority of the S
2、tandards Committee and comes into effect on 15 May 2001 BSI 2008 ISBN 978 0 580 60842 1 National foreword This British Standard is the UK implementation of EN ISO 13703:2000. It is identical with ISO 13703:2000, incorporating corrigendum July 2002. The UK participation in its preparation was entrust
3、ed to Technical Committee PSE/17, Petroleum and natural gas industries. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct ap
4、plication. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication Amd. No. Date Comments 14034 Corrigendum No. 1 13 August 2002 Correction to EN ISO foreword 30 June 2008 Implementation of ISO corrigendum July 2002 (correction
5、 of equation (A.8) in Annex A) and alignment of BSI and CEN publication datesEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO13703 December2000 ICS07.018.10 Englishversion PetroleumandnaturalgasindustriesDesignandinstallationof pipingsystemsonoffshoreproductionplatforms(ISO 13703:2000) Industrie
6、sduptroleetdugaznaturelConceptionet installationdesystmesdetuyauteriesurlesplatesformes deproductionenmer(ISO13703:2000) ThisEuropeanStandardwasapprovedbyCENon9December2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthest
7、atusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation
8、 undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spa
9、in,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.ENISO13703:2000EgaPe2
10、 INESO3130702:00 CORRECTED20020724 Foreword Thisdocument(ISO13703:2000)hasbeenpreparedbyTechnicalCommitteeISO/TC67 “Materials,equipmentandoffshorestructuresforpetroleumandnaturalgasindustries“in collaborationwithTechnicalCommitteeCEN/TC12“Materials,equipmentandoffshore structuresforpetroleumandnatur
11、algasindustries“,thesecretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationof anidenticaltextorbyendorsement,atthelatestbyJune2001,andconflictingnational standardsshallbewithdrawnatthelatestbyJune2001. AccordingtotheCEN/CENELECInternalRegulat
12、ions,thenationalstandardsorganizationsof thefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Endorsementnotice Thet
13、extoftheInternationalStandardISO13703:2000hasbeenapprovedbyCENasa EuropeanStandardwithoutanymodifications. BS EN ISO 13703:2000ISO 30731:(0002)Eiii Contents Page Introductionvi 1 Scope 1 2 Normative references 1 3 Terms, definitions, symbols and abbreviated terms2 3.1 Terms and definitions .2 3.2 Sy
14、mbols and abbreviated terms 4 4 General considerations.6 4.1 Materials .6 4.2 Code of pressure piping .7 4.3 Demarcation between systems with different pressure ratings.7 4.4 Corrosion considerations .9 5 Piping design .10 5.1 Pipe material grades10 5.2 Sizing criteria General 12 5.3 Sizing methods
15、for liquid lines.12 5.4 Sizing criteria for single-phase gas lines19 5.5 Sizing criteria for gas/liquid two-phase lines .23 5.6 Pipe wall thicknesses26 5.7 Joint connections 30 5.8 Expansion and flexibility.31 5.9 Start-up provisions32 6 Selection of valves 32 6.1 General32 6.2 Types of valves 33 6.
16、3 Fire resistance of valves .35 6.4 Valve sizing 35 6.5 Valve pressure and temperature ratings.36 6.6 Valve materials.37 7 Fittings and flanges.37 7.1 General37 7.2 Welded fittings .38 7.3 Screwed fittings .38 7.4 Branch connections 38 7.5 Flanges .39 7.6 Proprietary connectors .41 7.7 Special requi
17、rements for sulfide stress-cracking service.41 7.8 Erosion prevention 41 8 Design considerations for particular piping systems41 8.1 General41 8.2 Wellhead accessory items 41 8.3 Flowline and flowline accessories.42 8.4 Production manifolds45 8.5 Process vessel piping .45 8.6 Utility systems47 8.7 H
18、eating fluid and glycol systems.48 8.8 Pressure relief and disposal systems .48 8.9 Drain systems 50 BS EN ISO 13703:2000ISO 30731:(0002)E iv 8.10 Bridge piping between platforms.50 8.11 Risers 50 8.12 Sampling valves.51 9 Considerations of related items .51 9.1 General51 9.2 Layout .51 9.3 Elevatio
19、ns .51 9.4 Piping supports51 9.5 Other corrosion considerations .51 9.6 Thermal insulation .54 9.7 Noise .56 9.8 Pipe, valves and fittings tables.56 9.9 Inspection, maintenance, repair and modification.56 10 Installation and quality control.56 10.1 General56 10.2 Welding .56 10.3 Pressure testing.57
20、 10.4 Test record58 Annex A (informative) Example problems 59 Annex B (informative) Examples of pipe, valves and fittings tables71 Annex C (informative) Acceptable butt-welded joint design for unequal wall thicknesses 74 Bibliography 76 BS EN ISO 13703:2000blankISO 30731:(0002)E vi Introduction This
21、 International Standard is based on API RP 14E, 5 th edition, October 1991. BS EN ISO 13703:2000INTENRATIONAL TSANDADR ISO 30731:(0002)E1 Petroleum and natural gas industries Design and installation of piping systems on offshore production platforms 1 Scope This International Standard specifies mini
22、mum requirements and gives guidance for the design and installation of new piping systems on production platforms located offshore for the petroleum and natural gas industries. It covers piping systems up to 69 000 kPa (ga) maximum, within temperature range limits for the materials meeting the requi
23、rements of ASME B31.3. NOTE For applications outside these pressure and temperature ranges, this International Standard may be used but special consideration should be given to material properties. Annex A gives some worked examples for solving piping design problems. 2 Normative references The foll
24、owing normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Internationa
25、l Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid Internation
26、al Standards. ISO 13623, Petroleum and natural gas industries Pipeline transportation systems. API RP 520-2 1) , Recommended practice for design and installation of pressure-relieving systems in refineries Part 2. ASME 2) , Boiler and pressure vessel code: Section VIII: Pressure vessels, Division 1.
27、 ASME B 31.3, Process piping. NACE MR0175 3) , Sulfide stress cracking resistant metallic materials for oil field equipment. NACE TM0177, Laboratory testing of metals for resistance to specific forms of environmental cracking in H 2 S environments. NACE TM0284, Evaluation of pipeline and pressure ve
28、ssel steels for resistance to hydrogen-induced cracking. 1) American Petroleum Institute, 1220 L Street, N.W., Washington, DC 20005-4070, U.S.A. 2) American Society of Mechanical Engineers, 345 East 47 th Street, New York, N.Y. 10017, U.S.A. 3) National Association of Corrosion Engineers, P.O. Box 2
29、18340, Houston, Texas 77218-8340, U.S.A. BS EN ISO 13703:2000ISO 30731:(0002)E 2 3 Terms, definitions, symbols and abbreviated terms For the purposes of this International Standard, the following terms, definitions, symbols and abbreviated terms apply. 3.1 Terms and definitions 3.1.1 chloride stress
30、-corrosion cracking service service in which the process stream contains water and chlorides in a sufficient concentration, and at a high enough temperature, to induce stress-corrosion cracking of susceptible materials NOTE Other constituents present, such as oxygen (O 2 ), may contribute to such ch
31、loride stress-corrosion cracking. 3.1.2 choke device specifically intended to restrict the flow rate of fluids 3.1.3 corrosion-erosion eroding away of a protective film of corrosion product by the action of the process stream, exposing fresh metal which then corrodes NOTE Extremely high metal mass l
32、oss can occur under these conditions. 3.1.4 corrosive gas gas which, when dissolved in water or other liquid, causes corrosion of metal NOTE Corrosive gases usually contain hydrogen sulfide (H 2 S), carbon dioxide (CO 2 ) and/or oxygen (O 2 ). 3.1.5 corrosive hydrocarbon service service in which the
33、 process stream contains water or brine and carbon dioxide (CO 2 ), hydrogen sulfide (H 2 S), oxygen (O 2 ) or other corrosive agents under conditions which cause corrosion of metal 3.1.6 expansion bellows corrugated piping device designed to absorb expansion and contraction 3.1.7 expansion bend pip
34、ing configuration designed to absorb expansion and contraction 3.1.8 flowline piping that carries well fluid from wellhead to manifold or first process vessel 3.1.9 flow regime flow condition of a multi-phase process stream EXAMPLES Slug flow, mist flow or stratified flow. 3.1.10 fluid gas, vapour,
35、liquid or combinations thereof BS EN ISO 13703:2000ISO 30731:(0002)E3 3.1.11 header part of a manifold that directs fluid to a specific process system See Figures 5 and 6. 3.1.12 hydrocarbon wettability ability of the process stream to form a protective hydrocarbon film on metal surfaces 3.1.13 mani
36、fold assembly of pipe, valves and fittings by which fluid from one or more sources is selectively directed to various process systems 3.1.14 nipple section of threaded or socket-welded pipe, shorter than 300 mm, used as an appurtenance 3.1.15 nominal pipe size nominal size NPS DN designation of size
37、 in inches which is common to all components in a piping system other than those components designated by outside diameter NOTE Nominal pipe size is designated by the letters NPS (when relating to inches) or DN (when relating to millimetres) followed by a number; it is a convenient number for refere
38、nce purposes and it is normally only loosely related to manufacturing dimensions. 3.1.16 non-corrosive hydrocarbon service service in which the process stream conditions do not cause significant metal mass loss, selective attack, chloride stress-corrosion cracking or sulfide stress-cracking 3.1.17 n
39、ormal conditions absolute pressure of 101,325 kPa and temperature of 0 C 3.1.18 platform piping any piping intended to contain or transport fluid on a platform 3.1.19 pressure rating number relating to the pressure for which a system is suitable NOTE The number may relate directly to the rated worki
40、ng pressure (e.g. ISO 10423 1 pressure rating 13,8 MPa and API pressure rating 2 000 psi) or may have a more indirect correlation (e.g. ASME class 300). 3.1.20 pressure sensor device designed to detect a predetermined pressure 3.1.21 process component single functional piece of production equipment
41、and associated piping EXAMPLES Pressure vessel, heater, pump, etc. BS EN ISO 13703:2000ISO 30731:(0002)E 4 3.1.22 riser vertical portion of a pipeline (including the bottom bend) arriving on or departing from a platform 3.1.23 shutdown valve automatically-operated valve used for isolating a process
42、component or process system 3.1.24 sulfide stress-cracking service service in which the process stream contains water or brine and contains a sufficient concentration of hydrogen sulfide (H 2 S) to induce sulfide stress-cracking of susceptible materials 3.1.25 wellhead pressure maximum shut-in surfa
43、ce pressure that may exist in a well 3.2 Symbols and abbreviated terms 3.2.1 Symbols A minimum pipe cross-sectional flow area required per unit volume flowrate, expressed in square millimetres per cubic metre per hour (mm 2 /m 3 /h) B mean coefficient of thermal expansion at operating temperatures n
44、ormally encountered, expressed in millimetres per kelvin (mm/K) C empirical constant, dimensionless C e sum of corrosion, mechanical strength and thread allowance, expressed in millimetres (mm) C v valve coefficient, dimensionless NOTE 1 This value is equal to the water flowrate in US gpm at 60 F re
45、quired to generate a pressure drop of 1 psi (US Customary units only are used in this instance to maintain alignment with other published data). D i pipe inside diameter, expressed in metres (m) D o pipe outside diameter, expressed in millimetres (mm) d i pipe inside diameter, expressed in millimetr
46、es (mm) d g gas relative density (air = 1), dimensionless d L liquid relative density (water = 1), dimensionless E longitudinal weld joint factor, dimensionless E m modulus of elasticity of piping material in the cold condition, expressed in newtons per square millimetre (N/mm 2 ) f Moody friction f
47、actor, dimensionless g gravitational constant, expressed in metres per second per second (m/s 2 ) h a acceleration head, expressed in metres (m) of liquid h f friction head, expressed in metres (m) of liquid BS EN ISO 13703:2000ISO 30731:(0002)E5 h p absolute pressure head, expressed in metres (m) o
48、f liquid h st static head, expressed in metres (m) of liquid h vh velocity head, expressed in metres (m) of liquid h vpa absolute vapour pressure, expressed in metres (m) of liquid h W pressure loss, expressed in kilopascals (kPa) K acceleration factor, dimensionless L developed pipe length, expressed in metres (m) L m pipe length, expressed in kilometres (km) m manufacturing wall thickness t
