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BS EN ISO 11960:2014 Petroleum and natural gas industries. Steel pipes for use as casing or tubing for wells, 2014
- Foreword
- 1 Scope
- 2 Conformance [Go to Page]
- 2.1 Dual referencing of normative references
- 2.2 Units of measurement
- 3 Normative references
- 4 Terms, definitions, symbols and abbreviated terms [Go to Page]
- 4.1 Terms and definitions
- 4.2 Symbols and abbreviated terms
- 5 Information to be supplied by the purchaser [Go to Page]
- 5.1 Grades C90, T95 and C110
- 5.2 Casing
- 5.3 Tubing
- 5.4 Coupling stock, coupling material and accessory material
- 6 Process of manufacture [Go to Page]
- 6.1 General
- 6.2 Heat treatment [Go to Page]
- 6.2.1 General
- 6.2.2 Group 1 (except H40)
- 6.2.3 Group 2
- 6.3 Straightening [Go to Page]
- 6.3.1 Groups 1 (except Grade R95) and 3
- 6.3.2 Grade R95
- 6.3.3 Grades M65 and L80
- 6.3.4 Grades C90 and T95
- 6.3.5 Grade C110
- 6.3.6 Grade Q125
- 6.4 Traceability [Go to Page]
- 6.4.1 General
- 6.4.2 Serialization of Grades C90, T95, C110 and Q125
- 6.5 Processes requiring validation
- 7 Material requirements [Go to Page]
- 7.1 Chemical composition
- 7.2 Tensile properties [Go to Page]
- 7.2.1 General
- 7.2.2 Elongation — All groups
- 7.2.3 Yield strength
- 7.2.4 Statistical tensile testing – Grades C90, T95 and C110
- 7.3 Charpy V-notch test — General requirements [Go to Page]
- 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
- 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 [Go to Page]
- 7.4.1 General
- 7.4.2 Grade H40
- 7.4.3 Grades J55 and K55 for API threads
- 7.4.4 Grade M65 for API threads
- 7.4.5 Grades N80 Type 1, N80Q and R95, Groups 2 (except Grades M65 and C110), 3 and 4 for API threads
- 7.4.6 Special end-finish
- 7.5 Charpy V-notch — Absorbed energy requirements for pipe [Go to Page]
- 7.5.1 Grades H40, J55, K55 and N80 Type 1
- 7.5.2 Grade M65
- 7.5.3 Grades N80Q, R95, L80, C90, T95 and P110
- 7.5.4 Grades C110 and Q125
- 7.5.5 Test specimen
- 7.5.6 Testing conditions
- 7.6 Charpy V-notch — Absorbed energy requirements for accessory material [Go to Page]
- 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
- 7.7 Maximum hardness [Go to Page]
- 7.7.1 Group 2 — All product
- 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
- 7.10 Hardenability — Minimum percentage martensite for quenched and tempered products [Go to Page]
- 7.10.1 Grades C90 and T95
- 7.10.2 Grade C110
- 7.10.3 All grades except Grades C90, T95 and C110
- 7.11 Grain size — Grades C90, T95 and C110
- 7.12 Surface condition — Grades L80 9Cr and L80 13Cr
- 7.13 Flattening — Electric-welded pipe
- 7.14 Sulfide stress cracking test — Grades C90, T95 and C110 [Go to Page]
- 7.14.1 General guidance
- 7.14.2 Test and re-test requirements
- 7.14.3 Test sample selection and location
- 7.14.4 Test solution
- 7.14.5 Minimum SSC requirements
- 7.14.6 Invalidation of tests
- 7.14.7 Additional testing provisions for ANSI-NACE TM0177-2005 Method D
- 8 Dimensions, masses, tolerances, product ends and defects [Go to Page]
- 8.1 Labels and sizes
- 8.2 Dimensions and masses
- 8.3 Diameter [Go to Page]
- 8.3.1 Measurement and design
- 8.3.2 Requirements
- 8.4 Wall thickness
- 8.5 Mass
- 8.6 Length
- 8.7 Casing jointers
- 8.8 Height and trim of electric-weld flash [Go to Page]
- 8.8.1 Trimming electric-weld flash
- 8.8.2 Groups 1 and 2
- 8.8.3 Groups 3 and 4
- 8.8.4 Disposition
- 8.9 Straightness [Go to Page]
- 8.9.1 Pipe
- 8.9.2 Coupling stock, coupling material and accessory material
- 8.10 Drift requirements
- 8.11 Tolerances on dimensions and masses [Go to Page]
- 8.11.1 Outside diameter
- 8.11.2 Wall thickness
- 8.11.3 Mass
- 8.11.4 Inside diameter
- 8.11.5 Upset dimensions
- 8.11.6 Extended length upsets
- 8.12 Product ends [Go to Page]
- 8.12.1 Plain-end pipe
- 8.12.2 Product with API threads
- 8.12.3 Rounded nose
- 8.12.4 Threading
- 8.12.5 Workmanship of ends
- 8.13 Defects [Go to Page]
- 8.13.1 Pipe and accessory made from pipe
- 8.13.2 Accessory material not made from pipe, coupling stock and coupling material
- 8.13.3 Process control plan
- 8.14 Coupling make-up and thread protection [Go to Page]
- 8.14.1 Groups 1, 2 and 3
- 8.14.2 Group 4
- 9 Couplings [Go to Page]
- 9.1 General requirements
- 9.2 Alternative grades or heat treatments
- 9.3 Mechanical properties
- 9.4 Dimensions and tolerances [Go to Page]
- 9.4.1 Groups 1, 2 and 3
- 9.4.2 Group 4
- 9.5 Regular couplings
- 9.6 Special-clearance couplings — Groups 1, 2 and 3
- 9.7 Combination couplings
- 9.8 Reducing couplings — Groups 1, 2 and 3
- 9.9 Seal-ring couplings
- 9.10 Special-bevel tubing regular couplings — Groups 1, 2 and 3
- 9.11 Threading [Go to Page]
- 9.11.1 General requirements
- 9.11.2 Couplings
- 9.12 Surface inspection
- 9.13 Measurement of imperfections
- 9.14 Repair and removal of imperfections and defects
- 9.15 Thread surface treatment — Grade Q125
- 9.16 Couplings and coupling blank protection — Grades C90, T95, C110 and Q125
- 10 Inspection and testing [Go to Page]
- 10.1 Test equipment
- 10.2 Lot definition for testing of mechanical properties [Go to Page]
- 10.2.1 Groups 1 , 2 (Grades M65 and L80 Type 1 only) and 3 — Coupling stock, coupling material and pipe (except pup joints heat-treated after cutting to blank or individual length)
- 10.2.2 Grades L80 9Cr, 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)
- 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 [Go to Page]
- 10.3.1 Heat analyses
- 10.3.2 Product analyses
- 10.3.3 Test method
- 10.3.4 Re-check of product analyses — All groups
- 10.4 Tensile tests [Go to Page]
- 10.4.1 Stress-relief temperature — All grades
- 10.4.2 Heat-control tensile tests — Groups 1, 2 and 3
- 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
- 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
- 10.4.8 Invalidation of tests
- 10.4.9 Re-tests — All products (except coupling blanks, coupling stock, coupling material, pup joints or accessory material) — Grades C90, T95, C110 and Q125)
- 10.4.10 Re-tests — Coupling blanks, coupling stock, coupling material, pup joints or accessory material in Grades C90, T95, C110 and Q125
- 10.5 Flattening test [Go to Page]
- 10.5.1 General requirement for testing
- 10.5.2 Frequency of testing
- 10.5.3 Test specimens
- 10.5.4 Test method for Groups 1 and 2
- 10.5.5 Test method for Grade P110 pipe and Grade Q125 casing
- 10.5.6 Invalidation of tests
- 10.5.7 Re-tests
- 10.6 Hardness test [Go to Page]
- 10.6.1 PSL requirements
- 10.6.2 Frequency of testing — General
- 10.6.3 Frequency of testing — Heat-control tests — Grades M65 and L80
- 10.6.4 Frequency of testing — Grades M65 and L80
- 10.6.5 Frequency of testing and test specimen location — Non-upset pipe — Grades C90, T95 and C110
- 10.6.6 Frequency of testing and test specimen location — Upset pipe — Grades C90 and T95
- 10.6.7 Frequency of testing and test specimen location — Coupling blanks, coupling stock, coupling material, pup joints and accessory material — Grades C90, T95 and C110
- 10.6.8 Frequency of testing — Grade Q125
- 10.6.9 Test specimens
- 10.6.10 Test method
- 10.6.11 Invalidation of tests
- 10.6.12 Periodic checks of hardness-testing machines
- 10.6.13 Verification of hardness-testing machines and indenters
- 10.6.14 Re-tests — Grades M65 and L80
- 10.6.15 Re-tests — Grades C90, T95 and C110 products except for coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
- 10.6.16 Re-tests — Grades C90, T95 and C110 coupling blanks, pup joints or accessory material heat-treated after cutting to individual lengths
- 10.6.17 Re-tests — Grade Q125 — General
- 10.6.18 Re-tests — Grade Q125 — Casing, coupling stock and coupling material
- 10.6.19 Re-tests — Grade Q125 — Coupling blanks, pup joints and accessory material
- 10.6.20 Rejected lots — Groups 2 and 4
- 10.7 Impact test [Go to Page]
- 10.7.1 Sampling —Grades J55, K55 and N80 Type 1
- 10.7.2 Sampling — Grade M65
- 10.7.3 Sampling — Grades N80Q, R95, L80, C90, T95, C110 and P110
- 10.7.4 Sampling and test specimen location — Grade Q125
- 10.7.5 Test specimens
- 10.7.6 Test method
- 10.7.7 Invalidation of tests
- 10.7.8 Re-test of a length — All groups
- 10.7.9 Replacement of a reject length — All groups
- 10.7.10 Multiple length rejection — Grade Q125
- 10.8 Grain size determination — Grades C90, T95 and C110 [Go to Page]
- 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 — EW Grades P110 and Q125
- 10.12 Hydrostatic tests [Go to Page]
- 10.12.1 Hydrostatic test procedures
- 10.12.2 Hydrostatic test requirements
- 10.12.3 Test pressure calculation
- 10.13 Dimensional testing [Go to Page]
- 10.13.1 General
- 10.13.2 Diameter measurement
- 10.13.3 Diameter re-tests
- 10.13.4 Wall thickness measurement
- 10.13.5 Drift test
- 10.13.6 Length measurement
- 10.13.7 Mass (weight) determination
- 10.13.8 Straightness evaluation
- 10.13.9 Internal upset inspection
- 10.14 Visual inspection [Go to Page]
- 10.14.1 General
- 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) [Go to Page]
- 10.15.1 General
- 10.15.2 NDE personnel
- 10.15.3 Reference standards
- 10.15.4 NDE system capability records
- 10.15.5 Pipe body or coupling stock inspection — General
- 10.15.6 Full-body, full-length NDE of casing and tubing — Grades N80Q, M65, L80 and R95
- 10.15.7 Full-body, full-length NDE of casing and tubing — Grade P110 to A.10 SR16
- 10.15.8 Full-body, full-length NDE of casing and tubing — Grade P110 and Grade P110 to A.10 SR16 and A.3 SR2
- 10.15.9 Full-body, full-length NDE of casing and tubing — Grades C90, T95, C110 and Q125
- 10.15.10 NDE of the weld seam of welded pipe
- 10.15.11 NDE of coupling stock (except Grade C110) and pup joints
- 10.15.12 NDE of coupling stock and accessory material – Grade C110
- 10.15.13 Un-tested pipe ends, coupling stock ends and accessory material ends
- 10.15.14 Pipe upsets
- 10.15.15 Pipe, coupling stock and accessory material requiring further evaluation
- 10.15.16 Evaluation of indications (prove-up)
- 10.15.17 Disposition of pipe containing defects
- 10.15.18 Disposition of coupling stock and accessory material containing defects
- 11 Marking [Go to Page]
- 11.1 General
- 11.2 Stamp marking requirements [Go to Page]
- 11.2.1 Methods
- 11.2.2 Size
- 11.2.3 Location
- 11.2.4 Group 1 (except Grade R95) and Group 3
- 11.2.5 Grade R95 and Groups 2 and 4
- 11.2.6 Make-up triangle marking
- 11.3 Stencil marking requirements
- 11.4 Colour identification [Go to Page]
- 11.4.1 Colour coding
- 11.4.2 Product 1,8 m (6 ft) and longer
- 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 — All groups [Go to Page]
- 11.5.1 API thread marking
- 11.5.2 Plain-end and special end-finish markings
- 11.6 Pipe-threader marking requirements — All groups
- 12 Coating and protection [Go to Page]
- 12.1 Coatings — All groups [Go to Page]
- 12.1.1 Coatings for protection during transit
- 12.1.2 Coatings for long-term storage
- 12.2 Thread protectors [Go to Page]
- 12.2.1 General
- 12.2.2 Grade L80 Types 9Cr and 13Cr
- 12.2.3 Driftable thread protectors
- 13 Documents [Go to Page]
- 13.1 Electronic media — All groups
- 13.2 Certification — Groups 1, 2 (except Grade C110) and 3
- 13.3 Certification requirements — Grades C110 and Q125
- 13.4 Retention of records
- 14 Minimum facility requirements for various categories of manufacturer [Go to Page]
- 14.1 Pipe mill
- 14.2 Processor
- 14.3 Pipe threader
- 14.4 Coupling, pup-joint or accessory manufacturer [Go to Page]