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ISO/TS 21354:2020

(Main)

Measurement of multiphase fluid flow

Measurement of multiphase fluid flow

This document establishes a common basis for, and assistance in, the classification of applications and multiphase meters, as well as guidance and recommendations for the implementation and use of such meters. The so-called in-line multiphase flow meters (MPFMs) that directly measure the oil, water and gas flow rates, as well as the partial- and full-separation MPFMs are the main focus of this document. Conventional two- or three-phase separators are not included in this document. Only limited reference is made to wet-gas meters, since although wet-gas flow is a subset of multiphase flow, wet-gas measurement is covered by ISO/TR 11583 and ISO/TR 12748.

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General Information

Status
Published
Publication Date
26-Nov-2020
ICS
75.180.30 - Volumetric equipment and measurements
Technical Committee
ISO/TC 28/SC 2 - Measurement of petroleum and related products
Drafting Committee
ISO/TC 28/SC 2 - Measurement of petroleum and related products
Current Stage
9060 - Close of review
Start Date
04-Jun-2027
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ISO/TS 21354:2020 - Measurement of multiphase fluid flowISO/TS 21354:2020 - Measurement of multiphase fluid flow
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TECHNICAL ISO/TS
SPECIFICATION 21354
First edition
2020-11
Measurement of multiphase fluid flow
Reference number
ISO/TS 21354:2020(E)
©
ISO 2020

---------------------- Page: 1 ----------------------
ISO/TS 21354:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TS 21354:2020(E)

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Terms related to multiphase flow metering . 1
3.2 Terms related to metrology. 7
4 Symbols and subscripts .10
4.1 Symbols .10
4.2 Colours and symbols used in schematic drawings .10
5 Multiphase flow .11
5.1 General .11
5.2 Multiphase flow regime maps .12
5.2.1 General.12
5.2.2 Vertical flows .12
5.2.3 Horizontal flows .13
5.3 Slip effects .14
5.4 Classification of multiphase flows .15
6 Aims of multiphase flow measurement .16
6.1 General .
...

TECHNICAL ISO/TS
SPECIFICATION 21354
First edition
Measurement of multiphase fluid flow
Mesurage des écoulements de fluides polyphasiques
PROOF/ÉPREUVE
Reference number
ISO/TS 21354:2020(E)
©
ISO 2020

---------------------- Page: 1 ----------------------
ISO/TS 21354:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii PROOF/ÉPREUVE © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TS 21354:2020(E)

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Terms related to multiphase flow metering . 1
3.2 Terms related to metrology. 7
4 Symbols and subscripts . 9
4.1 Symbols . 9
4.2 Colours and symbols used in schematic drawings .10
5 Multiphase flow .11
5.1 General .11
5.2 Multiphase flow regime maps .11
5.2.1 General.11
5.2.2 Vertical flows .12
5.2.3 Horizontal flows .13
5.3 Slip effects .14
5.4 Classification of multiphase flows .15
6 Aims of multiphase flow measurement .16
6.1 General .
...

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