1、Date of Issue: June 2016 Affected Publication: API Specification 6A, Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition, October 2010 ERRATA 8 (includes changes from Errata 1, January 2011; Errata 2, November 2011; Errata 3, June 2013; Errata 4, August 2013; Errata 5, Novembe
2、r 2013, and Errata 6, March 2014; and Errata 7, December 2014) Page vii, Table of Contents, change: Annex O (informative) API Regional Annex to Annex O (normative) API Regional Annex Page 67, Table 17, change: Impact Testing 7.4.2.1.2 7.4.2.1.2 7.4.2.1.2 7.4.2.1.2 to Impact Testing 7.4.2.1.2 7.4.2.2
3、.2 7.4.2.3.2 7.4.2.4.2 Page 69, 7.4.2.2.12 a), change to read: 100% of all pressure-containing fabrication welds and weld overlay shall be examined by either magnetic-particle (in the case of ferromagnetic materials) or liquid-penetrant (in the case of ferromagnetic or non-ferromagnetic materials) m
4、ethods after all welding, post-weld heat treatment and machining operations. Page 87, Table 30, insert the following footnote at the end of the table: Note: Due to SI unit conversion methods noted in Annex B, the drift dimensions in millimeters may have interference if used for drifting equipment ma
5、nufactured to USC bore sizes, measured in inches. It is recommended that the units of measure used for the drift diameter D1be consistent with the units used for manufacturing equipment to be drift tested. Page 89, 7.4.9.4.5, change: The following apply: to For PSL 2 and PSL 3G, the following apply:
6、 Page 91, Table 33, change: Hydrostatic test body 7.4.9.3.3 7.4.9.3.3 seat 7.4.9.3.5 7.4.9.4.5 Hydrostatic text (extended) body 7.4.9.5.4 7.4.9.5.4 7.4.9.5.4 seat 7.4.9.5.6 7.4.9.5.6 7.4.9.5.6 to Hydrostatic test body 7.4.9.3.3 7.4.9.3.3 seat 7.4.9.3.5 7.4.9.4.5 7.4.9.4.5 Hydrostatic text (extended)
7、 body 7.4.9.5.4 7.4.9.5.4 7.4.9.5.4 seat 7.4.9.5.6 7.4.9.5.6 Page 91, Table 34, change: Hydrostatic test body 7.4.9.3.3 7.4.9.3.3 seat 7.4.9.3.5 7.4.9.4.5 Hydrostatic text (extended) body 7.4.9.5.4 7.4.9.5.4 7.4.9.5.4 seat 7.4.9.5.6 7.4.9.5.6 7.4.9.5.6 to Hydrostatic test body 7.4.9.3.3 7.4.9.3.3 se
8、at 7.4.9.3.5 7.4.9.4.5 7.4.9.4.5 Hydrostatic text (extended) body 7.4.9.5.4 7.4.9.5.4 7.4.9.5.4 seat 7.4.9.5.6 7.4.9.5.6 Page 96, 7.4.10.1.2 c), change the reference in the second sentence from: Table 48 and Table B.48 to Table 61 and Table B.61 Page 102, change title from: 7.4.11 Bullplugs, valve-r
9、emoval plugs and back-pressure valves (see Table 26) to 7.4.11 Bullplugs, valve-removal plugs and back-pressure valves (see Table 38) Page 121, Table 49: Change “tol.” column values for Outside diameter of flange to be “” the stated value. Page 124, Table 50: Change “tol.” column values for Outside
10、diameter of flange to be “” the stated value. Page 162, Table 63 (continued), line R 57, change the Width of Flat of Octagonal Ring (C) value from: 7,79 to 7,75 Page 198, Table 87 (continued): The first two columns, for 13,8 MPa, 20,7 MPa, and 34,5 MPa, should read as follows: Nominal size and bore
11、Vertical BV +0,80Outlet B0+0,8013,8 MPa 52 52 65 52 65 65 79 52 79 65 79 79 103 52 103 65 103 79 103 103 20,7 MPa 79 52 79 65 79 79 103 52 103 65 103 79 103 103 34,5 MPa 52 52 65 52 65 65 79 52 79 65 79 79 103 52 103 65 103 79 103 103 130 52 130 65 130 79 130 103 130 130 Page 200, Table 88 (continue
12、d): The first two columns, for 13,8 MPa, 20,7 MPa, and 34,5 MPa, should read as follows: Nominal size and bore Vertical BV +0,80Outlet B0 +0,8013,8 MPa 52 52 65 52 65 65 79 52 79 65 79 79 103 52 103 65 103 79 103 103 20,7 MPa 79 52 79 65 79 79 103 52 103 65 103 79 103 103 34,5 MPa 52 52 65 52 65 65
13、79 52 79 65 79 79 103 52 103 65 103 79 103 103 130 52 130 65 130 79 130 103 130 130 Page 202, Figure 19 d), replace with the following: Page 218, Section 10.19.9, delete the following: “and shall be equipped with a bleeder plug” Page 272, Table B.55 (continued), change: 10 000 psi 5 1/85,16 14,06 0,
14、06 0,12 8,69 3,13 8,81 7,19 3,19 0,38 to 10 000 psi 5 1/85,16 14,06 0,06 0,12 8,69 3,12 8,81 7,19 3,19 0,38 Page 277, Table B.57 (continued), change: 10 000 psi 5 1/85,16 14,06 0,06 0,12 8,69 3,13 8,81 7,19 3,19 0,38 to 10 000 psi 5 1/85,16 14,06 0,06 0,12 8,69 3,12 8,81 7,19 3,19 0,38 Page 319, Tab
15、le F.1, change Valves, gate and plug / Allowable leakage to: 30 cm3/hr/25,4 mm of nominal bore size Page 319, Table F.1, change Hangers / Allowable leakage to: 10 cm3/hr/25,4 mm of nominal bore size Page 355, Table G.4, remove the following row: ASTM A453/453M Gr660 0,99 0,95 0,97 (UNS S66286) Page
16、383, Section K.9, delete the second sentence: “Top connectors shall be shipped with a bleeder plug.” Page 393, Table K.5, fifth row, Seals column, replace: SAE AS 568-436-90 FKM with SAE AS 568-435-90 FKM Specification for Wellhead and Christmas Tree EquipmentANSI/API SPECIFICATION 6ATWENTIETH EDITI
17、ON, OCTOBER 2010EFFECTIVE DATE: APRIL 1, 2011ERRATA 1, JANUARY 2011ERRATA 2, NOVEMBER 2011ERRATA 3, JUNE 2013ERRATA 4, AUGUST 2013ERRATA 5, NOVEMBER 2013ERRATA 6, MARCH 2014ERRATA 7, DECEMBER 2014ERRATA 8, JUNE 2016ADDENDUM 1, NOVEMBER 2011ADDENDUM 2, NOVEMBER 2012ADDENDUM 3, MARCH 2013ADDENDUM 4, J
18、UNE 2016CONTAINS API MONOGRAM ANNEX AS PART OF U.S. NATIONAL ADOPTIONISO 10423:2009 (Modified), Petroleum and natural gas industriesDrilling and production equipmentWellhead and christmas tree equipmentSpecification for Wellhead andChristmas Tree EquipmentUpstream SegmentANSI/API SPECIFICATION 6ATWE
19、NTIETH EDITION, OCTOBER 2010EFFECTIVE DATE: APRIL 1, 2011ERRATA 1, JANUARY 2011ERRATA 2, NOVEMBER 2011ERRATA 3, JUNE 2013ERRATA 4, AUGUST 2013ERRATA 5, NOVEMBER 2013ERRATA 6, MARCH 2014ERRATA 7, DECEMBER 2014ERRATA 8, JUNE 2016ADDENDUM 1, NOVEMBER 2011ADDENDUM 2, NOVEMBER 2012ADDENDUM 3, MARCH 2013A
20、DDENDUM 4, JUNE 2016CONTAINS API MONOGRAM ANNEX AS PART OF U.S. NATIONALADOPTIONISO 10423:2009 (Modified), Petroleum and natural gasindustriesDrilling and production equipmentWellhead and christmas tree equipmentSpecial NotesAPI publications necessarily address problems of a general nature. With res
21、pect to particular circumstances, local,state, and federal laws and regulations should be reviewed.Neither 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, completen
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29、L Street, NW, Washington, DC 20005.Copyright 2010 American Petroleum InstituteAPI ForewordNothing 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. N
30、either should anythingcontained in the publication be construed as insuring anyone against liability for infringement of letters patent.Shall: As used in a standard, “shall“ denotes a minimum requirement in order to conform to the specification.Should: As used in a standard, “should“ denotes a recom
31、mendation or that which is advised but not required in orderto conform to the specification. This document was produced under API standardization procedures that ensure appropriate notification andparticipation in the developmental process and is designated as an API standard. Questions concerning t
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34、f 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 Department, API,
35、1220 L Street, NW,Washington, DC 20005, standardsapi.org.iiiContents Page API Foreword . iii Foreword ix Introduction . x 1 Scope 1 1.1 Purpose 1 1.2 Applicability . 1 1.3 Service conditions . 2 1.4 Product specification levels . 3 2 Normative references 6 3 Terms, definitions and abbreviated terms
36、8 3.1 Terms and definitions . 8 3.2 Abbreviated terms . 20 4 Design and performance General requirements . 21 4.1 Performance requirements General 21 4.2 Service conditions . 21 4.3 Design methods . 24 4.4 Miscellaneous design information 28 4.5 Design documentation 29 4.6 Design review 29 4.7 Desig
37、n validation . 29 5 Materials General requirements 29 5.1 General . 29 5.2 Written specifications . 30 5.3 Mandrel tubing hangers and casing hangers . 31 5.4 Bodies, bonnets and end and outlet connections . 34 5.5 Ring gaskets 41 5.6 Test coupons . 42 5.7 Qualification test coupons . 47 5.8 Heat-tre
38、ating equipment qualification . 49 5.9 Material qualification . 49 5.10 Pressure-boundary penetrations . 49 5.11 Wear bushings . 50 5.12 Clamp hub-end connectors 50 6 Welding General requirements 50 6.1 General . 50 6.2 Non-pressure-containing weldments other than weld overlays PSL 1 to PSL 3 . 50 6
39、.3 Pressure-containing fabrication weldments for bodies, bonnets, end and outlet connections, bullplugs, valve-removal plugs and back-pressure valves. 50 6.4 Pressure-containing repair weldments for bodies, bonnets, end and outlet connections, bullplugs, valve-removal plugs and back-pressure valves.
40、 56 6.5 Weld overlay for corrosion resistance and/or hard facing and other material surface property controls. 58 7 Quality control . 62 7.1 General . 62 7.2 Measuring and testing equipment . 62 7.3 Quality-control personnel qualifications 62 7.4 Quality control requirements . 63 7.5 Quality control
41、 records requirements . 103 8 Equipment marking . 108 8.1 Marking requirements . 108 8.2 Wellhead equipment 110 v 8.3 Connectors and fittings . 110 8.4 Casing and tubing hangers . 110 8.5 Valves and chokes 111 8.6 Loose connectors flanged, threaded, other end connectors (OEC) and welded 112 8.7 Othe
42、r equipment . 112 8.8 Studs and nuts 113 8.9 Christmas trees . 113 8.10 Valve-removal plugs . 114 8.11 Bullplugs 114 8.12 Back-pressure valves . 114 9 Storing and shipping 114 9.1 Draining after testing 114 9.2 Rust prevention . 114 9.3 Sealing-surface protection 114 9.4 Assembly and maintenance ins
43、tructions . 114 9.5 Ring gaskets 114 9.6 Age control of non-metallic materials 114 10 Equipment-specific requirements . 115 10.1 Flanged end and outlet connections 115 10.2 Threaded end and outlet connections 151 10.3 Studs and nuts 157 10.4 Ring gaskets 159 10.5 Valves . 167 10.6 Casing and tubing
44、heads . 180 10.7 Casing and tubing hangers . 185 10.8 Tubing-head adapters 191 10.9 Chokes . 193 10.10 Tees and crosses 196 10.11 Test and gauge connections for 103,5 MPa and 138,0 MPa (15 000 psi and 20 000 psi) equipment 201 10.12 Fluid sampling devices 203 10.13 Christmas trees . 204 10.14 Cross-
45、over connectors 204 10.15 Adapter and spacer spools 209 10.16 Actuators . 210 10.17 Packing mechanisms for lock screws, alignment pins and retainer screws . 215 10.18 Other end connectors 216 10.19 Top connectors . 217 10.20 Surface and underwater safety valves and actuators. 218 10.21 Bullplugs 224
46、 10.22 Valve-removal plugs . 227 10.23 Other pressure-boundary penetrations 228 10.24 Back-pressure valves . 228 11 Repair and remanufacture . 229 Annex A (informative) Purchasing guidelines . 230 Annex B (informative) USC unit tables and data for this International Standard 249 Annex C (informative
47、) Method of calculating stud bolt lengths for type 6B and 6BX flanges . 307 Annex D (informative) Recommended flange bolt torque 309 Annex E (informative) Recommended weld preparation design dimensions 313 Annex F (informative) Design validation procedures . 317 Annex G (informative) Design and rati
48、ng of equipment for use at elevated temperatures 352 Annex H (normative) Design and manufacture of surface wellhead running, retrieving and testing tools, clean-out tools and wear bushings 356 Annex I (normative) Design validation procedures for surface safety valves and underwater safety valves . 3
49、60 vi Annex J (normative) Repair and remanufacture requirements 368 Annex K (informative) Recommended specifications for top connectors for christmas trees 382 Annex L (normative) Specifications for valve-removal preparations, valve-removal plugs and handling tools 396 Annex M (informative) Qualification of heat-treating equipment . 416 Annex N (informative) List of tables and list of figures 419 Annex O (normative) API Regional Annex 429 Annex P (informative) Use of the API Monogram
