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BS EN ISO 11960:2021

BS EN ISO 11960:2021

$215.11

Petroleum and natural gas industries. Steel pipes for use as casing or tubing for wells

Published By Publication Date Number of Pages
BSI 2021 282
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This document specifies the technical delivery conditions for steel pipes (casing, tubing and pup joints), coupling stock, coupling material and accessory material.

By agreement between the purchaser and manufacturer, this document can also be applied to other plain-end pipe sizes and wall thicknesses.

This document is applicable to the following connections:

  • short round thread casing (SC);

  • long round thread casing (LC);

  • buttress thread casing (BC);

  • non-upset tubing (NU);

  • external upset tubing (EU);

  • integral-joint tubing (IJ).

NOTE 1 For further information, see API Spec 5B.

For such connections, this document specifies the technical delivery conditions for couplings and thread protection.

NOTE 2 Supplementary requirements that can optionally be agreed for enhanced leak resistance connections (LC) are given in A.9 SR22.

This document can also be applied to tubulars with connections not covered by ISO or API standards.

This document is applicable to products including the following grades of pipe: H40, J55, K55, N80, L80, C90, R95, T95, P110, C110 and Q125.

This document is not applicable to threading requirements.

NOTE 3 Dimensional requirements on threads and thread gauges, stipulations on gauging practice, gauge specifications, as well as, instruments and methods for inspection of threads are given in API Spec 5B.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
12 Foreword
13 Introduction
15 1 Scope
2 Normative references
17 3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
21 3.2 Symbols and abbreviated terms
22 4 Conformance
4.1 Dual referencing of normative references
23 4.2 Units of measurement
5 Information to be supplied by the purchaser
5.1 Grades C90, T95 and C110
5.2 Casing
25 5.3 Tubing
27 5.4 Coupling stock, coupling material and accessory material
28 6 Process of manufacture
6.1 General
6.2 Heat treatment
6.2.1 General
29 6.2.2 Grades J55, K55, N80 all types and R95
6.2.3 Grades L80 all types, C90, T95 and C110
6.3 Straightening
6.3.1 Grades H40, J55, K55, N80 all types
6.3.2 Grades R95 and P110
6.3.3 Grade L80
30 6.3.4 Grades C90, T95 and C110
6.3.5 Grade Q125
6.4 Traceability
6.4.1 General
6.4.2 Serialization of Grades C90, T95, C110 and Q125
6.5 Processes requiring validation
31 7 Material requirements
7.1 Chemical composition
7.2 Tensile properties
7.2.1 General
7.2.2 Elongation
7.2.3 Yield strength
32 7.2.4 Statistical tensile testing — Grades C90, T95 and C110
7.3 Charpy V-notch test — General requirements
7.3.1 Evaluation of test results
7.3.2 Critical thickness
7.3.3 Specimen size and orientation
7.3.4 Hierarchy of test specimens
33 7.3.5 Alternative size impact test specimens
7.3.6 Sub-size test specimens
7.3.7 Test temperature
7.3.8 Statistical impact testing
7.3.9 Reference information
7.4 Charpy V-notch — Absorbed energy requirements for coupling stock, coupling material, coupling blanks and couplings
7.4.1 General
7.4.2 Grade H40
7.4.3 Grades J55 and K55 for API threads
34 7.4.4 Grades N80 all Types, R95, L80 all Types, C90, T95, P110 and Q125 for API threads
7.4.5 Special end-finish
7.5 Charpy V-notch — Absorbed energy requirements for pipe
7.5.1 Grades H40, J55 and K55
7.5.2 Grades N80 all Types, R95, L80, C90, T95 and P110
35 7.5.3 Grades C110 and Q125
7.5.4 Test specimen
36 7.5.5 Testing conditions
7.6 Charpy V-notch — Absorbed energy requirements for accessory material
7.6.1 Accessory material — General
7.6.2 Accessory material for accessories with internal API threads except integral tubing connections
7.6.3 Accessory material for accessories with internal special end-finish tapered interference-type threads
7.6.4 Accessory material for accessories with external threads
7.6.5 Accessory material for accessories with either integral tubing connections or internal special end-finish connections that do not have thread interference
7.6.6 Critical thickness for accessory material and special end-finish material
37 7.7 Maximum hardness
7.7.1 Grades L80 all types, C90, T95 and C110
7.7.2 Grade Q125 — All products
7.8 Hardness variation — Grades C90, T95, C110 and Q125
7.9 Process control — Grades C90, T95, C110 and Q125
38 7.10 Hardenability — Minimum percentage martensite for quenched and tempered products
7.10.1 Grade L80 Type 1
7.10.2 Grades C90 and T95
7.10.3 Grade C110
7.10.4 All grades except Grades L80, C90, T95 and C110
39 7.11 Grain size — Grades C90, T95 and C110
7.12 Surface condition — Grade L80 13Cr
7.13 Flattening — Electric-welded pipe
7.14 Sulfide stress cracking test — Grades C90, T95 and C110
7.14.1 General guidance
7.14.2 Test and retest requirements and recommendations
40 7.14.3 Test sample selection and location
7.14.4 Test solution
41 7.14.5 Minimum SSC requirements
42 7.14.6 Invalidation of tests
7.14.7 Additional testing provisions for ANSI/NACE TM0177-2016 Method D
8 Dimensions, masses, tolerances, product ends and defects
8.1 Labels and sizes
8.2 Dimensions and masses
43 8.3 Diameter
8.3.1 Measurement and design
8.3.2 Requirements
8.4 Wall thickness
8.5 Mass
44 8.6 Length
8.7 Casing jointers
8.8 Height and trim of electric-weld flash
8.8.1 Trimming electric-weld flash
8.8.2 Grades H40, J55, K55, N80 all types, R95, and L80 Type 1
45 8.8.3 Grades P110 and Q125
8.8.4 Disposition
8.9 Straightness
8.9.1 Pipe
8.9.2 Coupling stock, coupling material and accessory material
8.10 Drift requirements
46 8.11 Tolerances on dimensions and masses
8.11.1 Outside diameter
8.11.2 Wall thickness
8.11.3 Mass
47 8.11.4 Inside diameter
8.11.5 Upset dimensions
8.11.6 Extended length upsets
8.12 Product ends
8.12.1 Plain-end pipe
8.12.2 Product with API threads
8.12.3 Rounded nose
8.12.4 Threading
48 8.12.5 Special end finish
8.13 Defects
8.13.1 Pipe and accessory made from pipe
8.13.2 Accessory material not made from pipe, coupling stock and coupling material
49 8.13.3 Process control plan
8.14 Coupling make-up and thread protection
8.14.1 All Grades except Q125
8.14.2 Grade Q125
9 Couplings
9.1 General requirements
50 9.2 Alternative grades or heat treatments
9.3 Mechanical properties
9.4 Dimensions and tolerances
9.4.1 All Grades except Q125
51 9.4.2 Grade Q125
9.5 Regular couplings
9.6 Special-clearance couplings — All Grades except Q125
9.7 Combination couplings
9.8 Seal-ring couplings
9.9 Special-bevel tubing regular couplings — All Grades
52 9.10 Threading — Couplings
9.11 Surface inspection
9.12 Measurement of imperfections
53 9.13 Repair and removal of imperfections and defects
9.14 Thread surface treatment — Grade Q125
9.15 Couplings and coupling blank protection — Grades C90, T95, C110 and Q125
10 Inspection and testing
10.1 Test equipment
10.2 Lot definition for testing of mechanical properties
10.2.1 Grades H40, J55, K55, N80 all types, L80 Type 1, R95 and P110 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
10.2.2 Grades L80 13Cr, C90, T95, C110 and Q125 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
54 10.2.3 Coupling blanks, pup joints or accessory material heat-treated after cutting to blank or individual length
10.3 Testing of chemical composition
10.3.1 Heat analyses
10.3.2 Product analyses
10.3.3 Test method
55 10.3.4 Recheck of product analyses — All Grades
10.4 Tensile tests
10.4.1 Stress-relief temperature — All grades
10.4.2 Heat-control tensile tests — All Grades except Q125
10.4.3 Frequency of testing and location of test specimen — Casing and tubing
10.4.4 Frequency of testing and test specimen location — Coupling stock, coupling material, coupling blanks, pup joints and accessory material
56 10.4.5 Test specimens — General
10.4.6 Test specimens — Additional requirements for coupling blanks, coupling stock coupling material and pup joint and accessory materials — Grades C110 and Q125
10.4.7 Test method
57 10.4.8 Invalidation of tests
10.4.9 Retests — All products (except coupling blanks, coupling stock, coupling material, pup joints or accessory material) — Grades C90, T95, C110 and Q125
10.4.10 Retests — Coupling blanks, coupling stock, coupling material, pup joints or accessory material in Grades C90, T95, C110 and Q125
10.5 Flattening test
10.5.1 General requirement for testing
10.5.2 Frequency of testing
58 10.5.3 Test specimens
10.5.4 Test method for Grades H40, J55, K55, N80 all types, R95, and L80 Type 1
10.5.5 Test method for Grade P110 pipe and Grade Q125 casing
10.5.6 Invalidation of tests
10.5.7 Retests
10.6 Hardness test
10.6.1 Frequency of testing — General
59 10.6.2 Frequency of testing — Heat-control tests — Grade L80
10.6.3 Frequency of testing — Grade L80
10.6.4 Frequency of testing and test specimen location — Non-upset pipe — Grades C90, T95 and C110
10.6.5 Frequency of testing and test specimen location — Upset pipe — Grades C90 and T95
10.6.6 Frequency of testing and test specimen location — Coupling blanks, coupling stock, coupling material, pup joints and accessory material — Grades C90, T95 and C110
60 10.6.7 Frequency of testing — Grade Q125
10.6.8 Test specimens
10.6.9 Test method
62 10.6.10 Invalidation of tests
10.6.11 Periodic checks of hardness-testing machines
10.6.12 Verification of hardness-testing machines and indenters
63 10.6.13 Retests — Grade L80
10.6.14 Retests — Grades C90, T95 and C110 products except for coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
64 10.6.15 Retests — Grades C90, T95 and C110 coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
10.6.16 Retests — Grade Q125 — General
10.6.17 Retests — Grade Q125 — Casing, coupling stock and coupling material
10.6.18 Retests — Grade Q125 — Coupling blanks, pup joints and accessory material
10.6.19 Rejected lots — Grades L80 all types, C90, T95, C110 and Q125
10.7 Impact test
10.7.1 Sampling —Grades J55 and K55
10.7.2 Sampling — Grades N80 all types, R95, L80, C90, T95, C110 and P110
65 10.7.3 Sampling and test specimen location — Grade Q125
10.7.4 Test specimens
10.7.5 Test method
10.7.6 Invalidation of tests
10.7.7 Retest of a length — All Grades
66 10.7.8 Replacement of a reject length — All Grades
10.7.9 Multiple length rejection — Grade Q125
10.8 Grain size determination — Grades C90, T95 and C110
10.8.1 Sampling
10.8.2 Test method
10.9 Hardenability — Grades C90, T95 and C110
10.10 Sulfide stress-cracking test — Grades C90, T95 and C110
10.11 Metallographic evaluation — All EW Grades
67 10.12 Hydrostatic tests
10.12.1 Hydrostatic test procedures
10.12.2 Hydrostatic test requirements
68 10.12.3 Test pressure calculation
69 10.13 Dimensional testing
10.13.1 General
10.13.2 Diameter measurement
10.13.3 Diameter retests
70 10.13.4 Wall thickness measurement
10.13.5 Drift test
10.13.6 Length measurement
10.13.7 Mass (weight) determination
71 10.13.8 Straightness evaluation
10.13.9 Internal upset inspection
10.14 Visual inspection
10.14.1 General
72 10.14.2 Pipe body, coupling stock and coupling material (excluding pipe ends)
10.14.3 Pipe ends
10.14.4 Disposition
10.15 Non-destructive examination (NDE)
10.15.1 General
73 10.15.2 NDE personnel
10.15.3 Reference standards
10.15.4 NDE system capability records
74 10.15.5 Pipe body or coupling stock inspection — General
10.15.6 Full-body, full-length NDE of casing and tubing — Grades H40, J55, K55, N80 all types, L80 and R95
10.15.7 Full-body, full-length NDE of casing and tubing — Grade P110 to A.8 SR16
75 10.15.8 Full-body, full-length NDE of casing and tubing — Grade P110 and Grade P110 to A.8 SR16 and A.2 SR2
10.15.9 Full-body, full-length NDE of casing and tubing — Grades L80 13Cr, C90, T95, C110 and Q125
10.15.10 NDE of the weld seam of welded pipe
76 10.15.11 NDE of coupling stock, accessory material (except Grades L80 13Cr, C90, T95, C110 and Q125) and pup joints
10.15.12 NDE of coupling stock and accessory material – Grades L80 13Cr, C90, T95, C110 and Q125
77 10.15.13 NDE of coupling stock and accessory material — Grades C90 and T95
78 10.15.14 Untested pipe ends, coupling stock ends and accessory material ends
10.15.15 Pipe upsets
10.15.16 Pipe, coupling stock and accessory material requiring further evaluation
79 10.15.17 Evaluation of indications (prove-up)
10.15.18 Disposition of pipe containing defects
80 10.15.19 Disposition of coupling stock and accessory material containing defects
81 11 Marking
11.1 General
82 11.2 Stamp marking requirements
11.2.1 Methods
11.2.2 Size
11.2.3 Location
11.2.4 Grades H40, J55, K55, N80 all types and P110
11.2.5 Grades R95, L80 all types, C90, T95, C110 and Q125
83 11.2.6 Make-up triangle marking
11.3 Stencil marking requirements
11.4 Colour identification
11.4.1 Colour coding
11.4.2 Product 1,8 m (6 ft) and longer
84 11.4.3 Loose couplings
11.4.4 Special-clearance couplings
11.4.5 Pup joints shorter than 1,8 m (6 ft) in length
11.4.6 Grade colour-codes
11.5 Thread and end-finish marking
11.5.1 API thread marking
11.5.2 Plain-end and special end-finish markings
11.6 Pipe-threader marking requirements
85 12 Coating and protection
12.1 Coatings
12.1.1 Coatings for protection during transit
12.1.2 Coatings for long-term storage
86 12.2 Thread protectors
12.2.1 General
12.2.2 Grade L80 13Cr
12.2.3 Driftable thread protectors
13 Documents
13.1 Electronic media
13.2 Certification requirements
13.3 Content of the certificate
88 13.4 Retention of records
14 Minimum facility requirements for various categories of manufacturer
14.1 Pipe mill
14.2 Processor
14.3 Pipe threader
89 14.4 Coupling, pup-joint or accessory manufacturer
90 Annex A (normative) Supplementary requirements
105 Annex B (normative) Purchaser inspection
106 Annex C (normative) Tables in SI units
173 Annex D (normative) Figures in SI (USC) units
196 Annex E (normative) Tables in USC units
262 Annex F (informative) Procedures used to convert from USC units to SI units
274 Annex G (normative) Requirements for thread protector design validation
279 Annex H (normative) High collapse requirements
281 Bibliography

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BS EN ISO 11960:2021
$215.11