API SPEC 5CT-2018 Casing and Tubing (TENTH EDITION Effective July 1 2019).pdf

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1、Casing and TubingAPI SPECIFICATION 5CTTENTH EDITION, JUNE 2018API MONOGRAM PROGRAM EFFECTIVE DATE: JULY 1, 2019Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, local,state, and federal laws and regulations should be reviewed.Ne

2、ither API nor any of APIs employees, subcontractors, consultants, committees, or other assignees make anywarranty or representation, either express or implied, with respect to the accuracy, completeness, or usefulness of theinformation contained herein, or assume any liability or responsibility for

3、any use, or the results of such use, of anyinformation or process disclosed in this publication. Neither API nor any of APIs employees, subcontractors,consultants, or other assignees represent that use of this publication would not infringe upon privately owned rights.API publications may be used by

4、 anyone desiring to do so. Every effort has been made by the Institute to ensure theaccuracy and reliability of the data contained in them; however, the Institute makes no representation, warranty, orguarantee in connection with this publication and hereby expressly disclaims any liability or respon

5、sibility for loss ordamage resulting from its use or for the violation of any authorities having jurisdiction with which this publication mayconflict.API publications are published to facilitate the broad availability of proven, sound engineering and operatingpractices. These publications are not in

6、tended to obviate the need for applying sound engineering judgmentregarding when and where these publications should be utilized. The formulation and publication of API publicationsis not intended in any way to inhibit anyone from using any other practices.Any manufacturer marking equipment or mater

7、ials in conformance with the marking requirements of an API standardis solely responsible for complying with all the applicable requirements of that standard. API does not represent,warrant, or guarantee that such products do in fact conform to the applicable API standard.All rights reserved. No par

8、t of this work may be reproduced, translated, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission from the publisher. Contact the Publisher, API Publishing Services, 1220 L Street, NW, Washington,

9、DC 20005.Copyright 2018 American Petroleum InstituteForewordNothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for themanufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anythingcontaine

10、d in the publication be construed as insuring anyone against liability for infringement of letters patent.The verbal forms used to express the provisions in this specification are as follows: the term “shall” denotes a minimum requirement in order to conform to the standard; the term “should” denote

11、s a recommendation or that which is advised but not required in order to conform to thestandard; the term “may” is used to express permission or a provision that is optional; the term “can” is used to express possibility or capability.Informative elementsAs used in a standard, “informative” denotes

12、elements that identify the document, introduce itscontent, and explain its background, development, and its relationship with other documents or provide additionalinformation intended to assist the understanding or use of the document.Normative elementsAs used in a standard, “normative” denotes elem

13、ents that describe the scope of the documentand that set out provisions that are required to implement the standard.This document was produced under API standardization procedures that ensure appropriate notification andparticipation in the developmental process and is designated as an API standard.

14、 Questions concerning theinterpretation of the content of this publication or comments and questions concerning the procedures under whichthis publication was developed should be directed in writing to the Director of Standards, American PetroleumInstitute, 1220 L Street, NW, Washington, DC 20005. R

15、equests for permission to reproduce or translate all or any partof the material published herein should also be addressed to the Director.Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every 5 years. A one-timeextension of up to 2 years may be added to this revi

16、ew cycle. Status of the publication can be ascertained from theAPI Standards Department, telephone (202) 682-8000. A catalog of API publications and materials is publishedannually by API, 1220 L Street, NW, Washington, DC 20005.Suggested revisions are invited and should be submitted to the Standards

17、 Department, API, 1220 L Street, NW,Washington, DC 20005, standardsapi.org.iiiContents Page iv 1 Scope . 1 1.1 Coverage 1 1.2 ApplicabilityConnections 1 1.3 ApplicabilityGrades 1 1.4 Supplementary Requirements 2 1.5 Application of the API Monogram 2 2 Normative References . 2 3 Terms, Definitions, S

18、ymbols, and Abbreviations 4 3.1 Terms and Definitions 4 3.2 Symbols . 8 3.3 Abbreviations 9 4 Conformance . 9 4.1 References to Annexes 9 4.2 Extended Scope 10 4.3 Dual Referencing 10 4.4 Units of Measurement 10 5 Information to be Supplied by the Purchaser 11 5.1 Grades C90, T95, and C110 . 11 5.2

19、Casing 11 5.3 Tubing 14 5.4 Coupling Stock, Coupling Material, and Accessory Material . 16 6 Process of Manufacture. 18 6.1 General . 18 6.2 Heat Treatment 18 6.3 Straightening . 19 6.4 Traceability 20 6.5 Processes Requiring Validation . 20 7 Material Requirements . 21 7.1 Chemical Composition 21 7

20、.2 Tensile Properties 21 7.3 Charpy V-notch TestGeneral Requirements . 22 7.4 Charpy V-notchAbsorbed Energy Requirements for Coupling Stock, Coupling Material, Coupling Blanks, and Couplings . 23 Contents Page v 7.5 Charpy V-notch-Absorbed Energy Requirements for Pipe 24 7.6 Charpy V-notchAbsorbed E

21、nergy Requirements for Accessory Material 26 7.7 Maximum Hardness . 27 7.8 Hardness VariationGrades C90, T95, C110, and Q125 . 28 7.9 Process ControlGrades C90, T95, C110, and Q125 28 7.10 HardenabilityMinimum Percentage Martensite for Quenched and Tempered Products 28 7.11 Grain SizeGrades C90, T95

22、, and C110 . 29 7.12 Surface ConditionGrades L80 9Cr and L80 13Cr . 29 7.13 FlatteningElectric-welded Pipe . 29 7.14 Sulfide Stress Cracking Test-Grades C90, T95, and C110 29 8 Dimensions, Masses, Tolerances, Product Ends, and Defects . 32 8.1 Labels and Sizes . 32 8.2 Dimensions and Masses 32 8.3 D

23、iameter . 33 8.4 Wall Thickness 33 8.5 Mass 34 8.6 Length . 34 8.7 Casing Jointers . 34 8.8 Height and Trim of Electric-weld Flash 34 8.9 Straightness 35 8.10 Drift Requirements 35 8.11 Tolerances on Dimensions and Masses 36 8.12 Product Ends . 37 8.13 Defects 38 8.14 Coupling Make-up and Thread Pro

24、tection 39 9 Couplings . 40 9.1 General Requirements . 40 9.2 Alternative Grades or Heat Treatments . 40 9.3 Mechanical Properties 41 9.4 Dimensions and Tolerances 41 9.5 Regular Couplings 41 9.6 Special Clearance CouplingsAll Grades Except Q125 41 9.7 Combination Couplings . 41 9.8 Seal-ring Coupli

25、ngs 41 Contents Page vi 9.9 Special-bevel Tubing Regular CouplingsAll Grades Except C110 and Q125 . 42 9.10 Threading . 42 9.11 Surface Inspection 42 9.12 Measurement of Imperfections . 43 9.13 Repair and Removal of Imperfections and Defects . 43 9.14 Thread Surface TreatmentGrade Q125 43 9.15 Coupl

26、ings and Coupling Blank ProtectionGrades C90, T95, C110, and Q125 . 43 10 Inspection and Testing . 44 10.1 Test Equipment . 44 10.2 Lot Definition for Testing of Mechanical Properties 44 10.3 Testing of Chemical Composition 44 10.4 Tensile Tests . 45 10.5 Flattening Test . 48 10.6 Hardness Test . 49

27、 10.7 Impact Test 56 10.8 Grain Size DeterminationGrades C90, T95, and C110 . 57 10.9 HardenabilityGrades C90, T95, and C110 57 10.10 Sulfide Stress-cracking TestGrades C90, T95, and C110 57 10.11 Metallographic EvaluationEW Grades P110 and Q125 58 10.12 Hydrostatic Tests 58 10.13 Dimensional Testin

28、g . 60 10.14 Visual Inspection 63 10.15 Non-destructive Examination (NDE) 64 11 Marking . 72 11.1 General . 72 11.2 Stamp Marking Requirements 74 11.3 Stencil Marking Requirements 75 11.4 Color Identification . 75 11.5 Thread and End-finish Marking 76 11.6 Pipe-threader Marking Requirements 76 12 Co

29、ating and Protection 77 12.1 Coatings . 77 12.2 Thread Protectors . 78 Contents Page vii 13 Documents . 78 13.1 Electronic Media . 78 13.2 Certification Requirements 78 13.3 Certification Content 78 13.4 Retention of Records . 80 14 Minimum Facility Requirements for Various Categories of Manufacture

30、r . 80 14.1 Pipe Mill 80 14.2 Processor . 80 14.3 Pipe Threader 80 14.4 Coupling, Pup joint, or Accessory Manufacturer . 81 Annex A (informative) API Monogram Program Use of the API Monogram by Licensees 82 Annex B (normative) Purchaser Inspection . 86 Annex C (normative) Tables in SI Units 87 Annex

31、 D (normative) Figures in SI (USC) Units . 151 Annex E (normative) Tables in USC Units 180 Annex F (informative) Additional Information for API Monogram Licensees . 245 Annex G (informative) Procedures Used to Convert from USC to SI Units . 246 Annex H (normative) Product Specification Levels 259 An

32、nex I (normative) Requirements for Thread Protector Design Validation . 267 Annex J (informative) Summary of Product Specification Level (PSL) Requirements 271 Annex K (informative) Supplementary Requirements 278 Bibliography 292 Tables 1 Purchaser Supplied Information (Casing) 11 2 Purchaser Suppli

33、ed Agreement Optional Requirements (Casing) . 12 3 Purchaser/Manufacturer Agreement (Casing) . 13 4 Purchaser Supplied Information (Tubing) 14 5 Purchaser Supplied Agreement Optional Requirements (Tubing) . 15 6 Purchaser/Manufacturer Agreement (Tubing) . 16 7 Purchaser Supplied Information (Couplin

34、g Stock and Material and Accessory Material) 17 8 Purchaser Supplied Agreement Optional Requirements (Coupling Stock and Material, and Accessory Material) . 17 9 Full-size Test Specimen Minimum Absorbed Energy Requirements (threads for grades N80 all types, R95, L80 all types, C90, T95, P110, and Q1

35、25) . 24 Contents Page viii 10 Full-size Test Specimen Minimum Absorbed Energy Requirements (pipe for grades N80 all types, R95, L80, C90, T95, and P110) . 25 11 Full-size Test Specimen Minimum Absorbed Energy Requirements (pipe for grades C110 and Q125) 26 12 Electric-weld Flash Height and Trim (al

36、l grades except P110 and Q125) 35 13 Dimension Tolerances (pipe OD) . 36 14 Dimension Tolerances (upset integral tubing) 36 15 Dimension Tolerances (external upset tubing 2 3/8) 36 16 Standard Mass Tolerances . 37 17 Stamp Marking . 74 C.1 API Casing List (sizes, masses, wall thickness, grade, and a

37、pplicable end-finish) . 87 C.2 API Tubing List (sizes, masses, wall thickness, grade, and applicable end-finish) 90 C.3 Process of Manufacture and Heat Treatment 91 C.4 Chemical Composition, Mass Fraction (%) 92 C.5 Tensile and Hardness Requirements . 93 C.6 Elongation Table 94 C.7 Critical Thicknes

38、s for Couplings with API Threads 96 C.8 Acceptable Size Impact Specimens and Absorbed Energy Reduction Factor 97 C.9 Hierarchy of Test Specimen Orientation and Size . 97 C.10 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Mat

39、erial for Grades J55 and K55 . 98 C.11 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grade L80 (All Types) . 99 C.12 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Cou

40、pling Blanks, and Accessory Material for Grade C90 . 100 C.13 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grades N80 all types, R95, and T95 . 101 C.14 Charpy Impact Test Specimen Requirements for Couplings, C

41、oupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grade P110 . 102 C.15 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grade Q125 . 103 C.16 Transverse Charpy Absorbed Energy Requireme

42、nts for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material 104 C.17 Longitudinal Charpy Absorbed Energy Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material 105 C.18 Transverse Charpy Absorbed Energy Requirements fo

43、r Pipe . 106 C.19 Longitudinal Charpy Absorbed Energy Requirements for Pipe . 107 Contents Page ix C.20 Transverse Impact Specimen Size Required for Quenched and Tempered Product 108 C.21 Longitudinal Impact Specimen Size Required for Quenched and Tempered Product . 109 C.22 Distance between Plates

44、for Electric-weld Flattening Tests . 110 C.23 Dimensions and Masses for Standard Casing and for Casing Threaded with API Round Thread and Buttress Thread 111 C.24 Dimensions and Masses for Standard Tubing and for Tubing Threaded with API Non-upset, External Upset, and Integral Tubing Connections 116

45、 C.25 External Upset Tubing Dimensions for API Connections for Grades H40, J55, L80 (All Types), R95, N80 (All Types), C90, T95, and P110 119 C.26 Integral Tubing Connection Dimensions for API Connections for Grades H40, J55, L80 (All Types), R95, N80 (All Types), C90, and T95 120 C.27 Range Lengths

46、 . 121 C.28 Standard Drift Size 121 C.29 Alternative Drift Size 122 C.30 Maximum Permissible Depth of Linear Imperfections . 122 C.31 Upset ProductsMaximum Permissible Depth of Imperfections 123 C.32 API Round-thread Casing CouplingDimensions, Tolerances, and Masses 124 C.33 API Buttress Thread Casi

47、ng CouplingDimensions, Tolerances, and Masses 125 C.34 API Non-upset Tubing CouplingDimensions, Tolerances, and Masses 126 C.35 API External-upset Tubing CouplingDimensions, Tolerances, and Masses . 127 C.36 Permissible Depth of External Imperfections on Coupling . 127 C.37 Frequency of Tensile Test

48、sCasing and Tubing . 128 C.38 Frequency of Tensile TestsCoupling Stock, Coupling Material, and Coupling Blanks . 129 C.39 Frequency of Tensile TestingPup Joints and Accessory Material . 130 C.40 Frequency of Hardness Testing 131 C.41 Frequency of Flattening Tests . 133 C.42 Summary of NDE Methods fo

49、r Seamless Pipe, Coupling Stock, Body of Welded Pipe, and Accessory Material (in accordance with 10.15.11) 134 C.43 Acceptance (Inspection) Levels 135 C.44 Artificial Reference Indicators . 136 C.45 Size of Stamp Markings 136 C.47 Thread Type Markings . 137 C.46 Grade Color Codes 137 C.48 Marking Requirements and Sequence 138 C.49 Retention of Records 142 C.50 SR 11.1Distance between Plates for Flattening Tests 142 Contents Page x C.52 SR 12.2Probability of Defective Product . 143 C.51