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BSI PD ISO/TS 12835:2022

BSI PD ISO/TS 12835:2022

$215.11

Qualification of casing connections for thermal wells

Published By Publication Date Number of Pages
BSI 2022 174
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PDF Catalog

PDF Pages PDF Title
2 undefined
8 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
15 4 Abbreviated terms and symbols
4.1 Abbreviated terms
16 4.2 Symbols
17 5 Program overview
5.1 Illustrations of selected definitions
5.2 Program flowchart
18 6 Overview and fundamental assumptions
6.1 General
6.2 Main features
6.2.1 Purpose
19 6.2.2 Applicability to service conditions
6.2.3 Rationale for development
6.2.4 Subject of evaluation
6.2.5 Application severity levels
20 6.3 Assessment philosophy and principles
6.3.1 Fundamental principles
21 6.3.2 Conservative evaluation procedure
6.3.3 Mandatory and optional tasks
22 6.3.4 Use of analysis and physical testing
6.3.5 Performance measures
6.3.6 Assessment criteria
23 6.3.7 Task outcomes — data categories
6.3.8 Prior evaluation data
6.3.9 Treatment of confidential design information
24 6.3.10 Interpretation of evaluation results
6.3.11 Avoiding perception of conflict of interest
6.4 Evaluation variables
6.4.1 Connection loading
6.4.2 Impacts of contributing variables
26 6.4.3 Pin-box interferences and tapers
6.4.4 Material yield strength
27 6.5 Evaluation procedure
6.5.1 Safety standards
6.5.2 Seepage assessment — random variations
6.5.3 Seepage rate thresholds
28 6.5.4 Seal isolation
6.5.5 Dope entrapment
6.5.6 Thermal cycle test — bake-out and hold durations
29 6.5.7 Pressure and temperature loading in thermal cycle test and analysis
6.5.8 Dependence of material strength on temperature
30 6.6 Scope of reporting
7 Program roles and proprietary design information
7.1 Program execution roles
7.2 Proprietary connection design information
31 8 Conformance requirements
8.1 Conformant evaluation program
8.2 Program non-conformances
32 8.3 Performance acceptance
8.4 Conformance of results from previous evaluations
8.5 Use of data from previous evaluations
33 8.6 Conformance to lower ASLs
9 Application severity levels
9.1 Thermal well load path
35 9.2 Temperature as controlling parameter
36 9.3 Specifications for application severity levels
37 9.4 Selection of application severity level
10 Program blocks and tasks
10.1 Evaluation procedure overview
41 10.2 Critical path tasks
42 11 Program specifications
11.1 Task overview
11.2 Identification of program roles
43 11.3 Identification of candidate connection
44 11.4 Program options
45 11.5 Data from prior evaluations
12 Determination of biased test population
12.1 Task overview
46 12.2 Initial material property characterization
12.2.1 Task description, definitions, methods
47 12.2.2 Testing conditions and scope
49 12.2.3 Procedure for tensile tests
50 12.2.4 Interpretation and processing of tensile test results
55 12.3 Specimen configuration analysis
12.3.1 Task description
56 12.3.2 Modelling and reporting requirements
57 12.3.3 Nominal reference case
58 12.3.4 Worst-case geometry configurations
60 12.3.5 Seal taper analysis
61 12.3.6 Impacts of material property variations
64 12.3.7 Make-up torque for sealability tests
66 12.3.8 Test versus production specimens
13 Specimen procurement
13.1 Task overview
67 13.2 Specimen pipe procurement
13.3 Material property verification
13.3.1 Task description
13.3.2 Specimens for tensile verification tests
68 13.3.3 Scope of tensile verification tests
69 13.3.4 Coefficient of thermal expansion verification test
70 13.4 Test specimen machining and gauging
13.4.1 General requirements
13.4.2 Specimen naming convention
71 13.4.3 Specimen length and length-reference requirements
72 13.4.4 Geometrical configurations
13.4.5 Mother pipe for specimens
73 13.4.6 Specimen machining tolerances
75 13.5 Markings
13.6 Specimen geometry verification
13.6.1 Gauging inspection scope
76 13.6.2 Inspection extent – example cases
13.6.3 Geometry inspection guidelines
77 13.7 Procurement and quality control of connection interfacial components
13.8 Specimen handling and storage
13.8.1 Handling recommendations
78 13.8.2 Treatment of damaged specimens
14 Full-scale physical tests and supplementary analyses
14.1 Task overview
79 14.2 Full-scale tests – general requirements
14.2.1 Ambient temperature at test site
14.2.2 Calibration of instrumentation
80 14.2.3 Disabling of secondary seals
14.2.4 Seepage measurement and rate definitions
82 14.2.5 Load application rates
14.2.6 Excluded connections
83 14.3 Galling resistance test
14.3.1 Task description
84 14.3.2 Rationale and objectives
14.3.3 Make-break specimens
14.3.4 Scope of galling resistance test
85 14.3.5 Set-up and instrumentation
86 14.3.6 Test procedure
87 14.3.7 Performance assessment
88 14.3.8 Reporting
14.4 Thermal cycle test
14.4.1 Task description
14.4.2 Rationale and objectives
89 14.4.3 Thermal cycle specimens
14.4.4 Scope of thermal cycle test
92 14.4.5 Mechanical strain compensations
95 14.4.6 Set-up and instrumentation
101 14.4.7 Test procedure
106 14.4.8 Performance assessment
107 14.4.9 Selection of cycled specimens for bend test and limit-strain test
14.4.10 Reporting
14.5 Bending evaluation
108 14.6 Limit-strain test
14.6.1 Task description
14.6.2 Rationale and objectives
109 14.6.3 Limit-strain specimens
14.6.4 Mandatory test description
111 14.6.5 Set-up and instrumentation
113 14.6.6 Mandatory test procedure
118 14.6.7 Performance assessment
14.6.8 Reporting
14.7 As-tested configuration analysis
15 Evaluation and inspection reports
15.1 Reporting deliverables
119 15.2 Reporting scope and contents
123 15.3 Reporting templates
124 Annex A (informative) FEA modelling guidelines
134 Annex B (informative) Derivations of formulae – Strain compensation factors
143 Annex C (informative) Program role assignments and responsibilities
150 Annex D (informative) Optional program selections, tasks, and procedures
173 Bibliography

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BSI PD ISO/TS 12835:2022
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