BS EN ISO 13703:2001 pdf – Petroleum and natural gas industries — Design and installation of piping systems on offshore production platforms

BS EN ISO 13703:2001 pdf – Petroleum and natural gas industries — Design and installation of piping systems on offshore production platforms

BS EN ISO 13703:2001 pdf – Petroleum and natural gas industries — Design and installation of piping systems on offshore production platforms.
1 Scope This International Standard specifies minimum 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 requirements 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 following 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 International 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 International 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. ASME B 31.3, Process piping. NACE MR01 75 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 vessel steels for resistance to hydrogen-induced cracking.
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-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 chloride 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 loss 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 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 piping 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, liquid or combinations thereof
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 manifold 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 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 reference 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 normal 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 working 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 and associated piping EXAMPLES Pressure vessel, heater, pump, etc.

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