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BSI PD ISO/TS 21354:2020

BSI PD ISO/TS 21354:2020

$215.11

Measurement of multiphase fluid flow

Published By Publication Date Number of Pages
BSI 2020 110
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
3.1 Terms related to multiphase flow metering
17 3.2 Terms related to metrology
20 4 Symbols and subscripts
4.1 Symbols
4.2 Colours and symbols used in schematic drawings
21 5 Multiphase flow
5.1 General
22 5.2 Multiphase flow regime maps
5.2.1 General
5.2.2 Vertical flows
23 5.2.3 Horizontal flows
24 5.3 Slip effects
25 5.4 Classification of multiphase flows
26 6 Aims of multiphase flow measurement
6.1 General
28 6.2 Individual-well surveillance or monitoring
6.2.1 General
29 6.2.2 Production optimization
6.2.3 Flow assurance
6.3 Well testing
6.3.1 General
30 6.3.2 Conventional well testing
31 6.3.3 Well testing by MPFMs
33 6.4 Production allocation metering
36 6.5 Fiscal or custody transfer measurement
6.6 Summary of advantages and disadvantages of MPFMs
7 Production envelope and installation design guidelines
7.1 General
37 7.2 Production envelope
7.2.1 Plotting the production envelope in the two-phase flow map
38 7.2.2 Plotting the production envelope in the composition map
39 7.3 MPFM measuring envelope
7.3.1 Plotting the MPFM measuring envelope in the two-phase flow map
40 7.3.2 Plotting the MPFM measuring envelope in the composition map
41 7.4 Using the flow maps during testing
43 7.5 Cumulative performance plot
44 7.6 Other considerations
47 8 Performance specification
8.1 General
48 8.2 Technical description
8.3 Specification of individual sensors and primary devices
8.4 Specification of output data and formats
49 8.5 Measuring range, rated operating conditions and limiting conditions
8.6 Measurement uncertainty
8.6.1 General
50 8.6.2 Measurement uncertainty evaluation of MPFMs
8.6.3 Influence quantities and sensitivity coefficients
51 8.6.4 Repeatability
8.6.5 Stability and frequency response
8.7 Guideline on MPFM performance specification
8.7.1 General
52 8.7.2 Technical descriptions
8.7.3 Specification of input data
8.7.4 Specification of output data
53 8.7.5 Rated operating conditions and limiting conditions
54 8.7.6 Measurement uncertainty
56 8.7.7 Two-phase flow map
8.7.8 Composition map
9 Testing, calibration and adjustment
9.1 General
57 9.2 Factory acceptance testing (FAT)
58 9.3 Calibration and test of MPFMs
9.3.1 General
9.3.2 Performance verification in static conditions
59 9.3.3 Performance verification in dynamic conditions
61 9.3.4 Factory test
9.3.5 Test facility
63 9.3.6 In situ test
65 9.3.7 Further information on performance testing
68 9.3.8 Test report
70 9.4 Adjustment of MPFMs
9.4.1 General
9.4.2 Adjustment based on static configuration
9.4.3 Adjustment based on performance verification in dynamic conditions
71 9.5 Blind tests
9.5.1 Scope and objective of MPFM blind test
9.5.2 Organization and implementation
9.5.3 Multiphase flow loop
72 9.5.4 Test matrix
73 9.5.5 Information to be provided by MPFM vendors
9.5.6 Information provided to MPFM vendors
9.5.7 Test completion
74 9.5.8 Test results and deliverables
10 Field installation and commissioning
10.1 General
10.2 Installation considerations
75 10.3 Installation and site integration
10.3.1 General
76 10.3.2 Installation requirements
10.3.3 Electrical connections and power requirements
10.3.4 Function test
10.3.5 Fluid calculation checks
10.4 Commissioning
10.4.1 General
77 10.4.2 Preparation
10.4.3 Documentation and equipment
10.4.4 On site authorization
10.4.5 Commissioning activities
78 10.5 Start-up
11 ​Verification during operation
11.1 General
79 11.2 Baseline monitoring
80 11.3 Self-checking, self-diagnostic capabilities and internal redundancy
11.4 Comparison with model-based multiphase flow calculations
11.5 Two meters in series
81 11.6 Mobile test units
11.7 Tracer technology
82 11.8 Injection
11.9 Sampling
11.9.1 General
11.9.2 Sampling for information about WLR
11.10 Imbalances and reconciliation factor
84 11.11 Geo-chemical fingerprinting
11.12 Subsea systems verification
85 Annex A (informative) Multiphase meter technologies
97 Annex B (informative) Fluid properties and hydrocarbon behaviour
102 Annex C (informative) Example of field test reference measurements
106 Bibliography

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BSI PD ISO/TS 21354:2020
$215.11