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    API SPEC 7NRV-2006 Specification for Drill String Non-return Valves (FIRST EDITION)《钻柱单向阀规范》.pdf

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    API SPEC 7NRV-2006 Specification for Drill String Non-return Valves (FIRST EDITION)《钻柱单向阀规范》.pdf

    1、Specification for Drill String Non-return ValvesAPI SPECIFICATION 7NRVFIRST EDITION, JULY 10, 2006REAFFIRMED, DECEMBER 2012Specification for Drill String Non-return ValvesUpstream SegmentAPI SPECIFICATION 7NRVFIRST EDITION, JULY 10, 2006REAFFIRMED, DECEMBER 2012SPECIAL NOTESAPI publications necessar

    2、ily address problems of a general nature. With respect 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 any warranty or representation, either express

    3、 or implied, with respect to the accuracy, completeness, or usefulness of the information contained herein, or assume any liability or responsibility for any use, or the results of such use, of any information or process disclosed in this publication. Neither API nor any of APIs employees, subcontra

    4、ctors, con-sultants, or other assignees represent that use of this publication would not infringe upon pri-vately owned rights.API publications may be used by anyone desiring to do so. Every effort has been made by the Institute to assure the accuracy and reliability of the data contained in them; h

    5、owever, the Institute makes no representation, warranty, or guarantee in connection with this publication and hereby expressly disclaims any liability or responsibility for loss or damage resulting from its use or for the violation of any authorities having jurisdiction with which this publi-cation

    6、may conflict.API publications are published to facilitate the broad availability of proven, sound engineer-ing and operating practices. These publications are not intended to obviate the need for applying sound engineering judgment regarding when and where these publications should be utilized. The

    7、formulation and publication of API publications is not intended in any way to inhibit anyone from using any other practices.Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standard is solely responsible for complying with all the applicable requ

    8、irements of that standard. API does not represent, warrant, or guarantee that such prod-ucts do in fact conform to the applicable API standard.All rights reserved. No part of this work may be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying,

    9、 recording, or otherwise, without prior written permission from the publisher. Contact the Publisher, API Publishing Services, 1220 L Street, N.W., Washington, D.C. 20005.Copyright 2006 American Petroleum InstituteFOREWORDNothing contained in any API publication is to be construed as granting any ri

    10、ght, by impli-cation or otherwise, for the manufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anything contained in the publication be construed as insuring anyone against liability for infringement of letters patent.This document was produced un

    11、der API standardization procedures that ensure appropriate notification and participation in the developmental process and is designated as an API stan-dard. Questions concerning the interpretation of the content of this publication or comments and questions concerning the procedures under which thi

    12、s publication was developed should be directed in writing to the Director of Standards, American Petroleum Institute, 1220 L Street, N.W., Washington, D.C. 20005. Requests for permission to reproduce or translate all or any part of the material published herein should also be addressed to the direct

    13、or.Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. A one-time extension of up to two years may be added to this review cycle. Status of the publication can be ascertained from the API Standards Department, telephone (202) 682-8000. A catalog of

    14、API publications and materials is published annually and updated quarterly by API, 1220 L Street, N.W., Washington, D.C. 20005.Suggested revisions are invited and should be submitted to the Standards and Publications Department, API, 1220 L Street, NW, Washington, DC 20005, standardsapi.org.iiiCONTE

    15、NTSPage1 SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 NORMATIVE REFERENCES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 TERMS AND DEFINITIONS . . . . . . . . . . .

    16、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    17、. . . . . . . . . . .34.2 Design requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44.3 Functional considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44.4 Design considerations. . . . . . .

    18、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44.5 Verification test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 MATERIALS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    19、 . . . . . . . . . . . . . . . . . . .55.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.2 Metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

    20、5.3 Non-metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55.4 Traceability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66 QUALITY CONTROL REQUIREMENTS. . . . . . .

    21、. . . . . . . . . . . . . . . . . . . . . . . . . . . .66.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66.2 Documentation retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    22、. .66.3 Personnel qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66.4 Calibration systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66.5 Inspection of elastomeric materials . . . . . .

    23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76.6 Dimensional inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76.7 Thread inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    24、 . .76.8 Welding and brazing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76.9 Qualification of heat treatment equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76.10 Coatings, overlays, and surface treatments . . . . . . . . .

    25、 . . . . . . . . . . . . . . . . . . . . .86.11 Mechanical and physical properties (where required by this Standard). . . . . . . .86.12 NDE requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 TESTING. . . . . . . . . . . . . . . . . . . .

    26、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107.2 Verification testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    27、. . . . . . . . . . . . . . . . . .117.3 General requirements for an NRV verification test facility. . . . . . . . . . . . . . . . . .117.4 NRV verification test procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117.5 NRV Nitrogen Pressure Test. . . . . . . . . .

    28、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127.6 NRV Hydro Pressure Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127.7 NRV Cycle Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    29、.127.8 NRV Erosion Test (record results as per Table A.1). . . . . . . . . . . . . . . . . . . . . . .127.9 RV Float Sub and NRV Landing Nipple testing . . . . . . . . . . . . . . . . . . . . . . . . . .137.10 NRV Equalizing Head testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    30、. . . . . . . .137.11 Verification test for seal materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147.12 Production Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14vCONTENTSPage8 IDENTIFICATION, DOCUMENTATION AN

    31、D PREPARATION FOR TRANSPORT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158.1 Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158.2 Documentation . . . . . .

    32、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158.3 Preparation for transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16APPENDIX A MINIMUM TEST DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    33、 . . . . . . . 17APPENDIX B API MONOGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19TablesA.1 Minimum Test Data Collection for Drill String Non-return Valve (NRV) Sample Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    34、 . . . . . . . . . . . . 17A.2 Minimum Test Data Collection for NRV Float Subs and Landing Nipples - Sample Form. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18A.3 Minimum Test Data Collection for NRV Equalizing Head - Sample Form . . . . .

    35、 181Specification for Drill String Non-return Valves0 IntroductionThis standard has been developed by users/purchasers and suppliers/manufacturers of Drill String Non-return Valve equipment intended for use in the petroleum and natural gas industry worldwide. This Standard is intended to give requir

    36、ements and infor-mation to both parties in the selection, manufacture, testing and use of Drill String Non-return Valve equipment. Further, this Standard addresses requirements that set the minimum parameters with which the supplier/manufacturer must comply to claim conformity with this standard.Use

    37、rs of this standard should be aware that further or differing requirements might be needed for individual applications. This standard is not intended to inhibit a supplier/manufacturer from offering, or the user/purchaser from accepting, alternative equip-ment or engineering solutions. This may be p

    38、articularly applicable where there is innovative or developing technology. Where an alternative is offered, the supplier/manufacturer should identify any variations from this standard and provide details.This document does not cover maintenance and inspection once the NRV has left the manufacturer a

    39、nd is in operation. These are important to the safety and reliability of the equipment and should be considered.1 ScopeThis standard was formulated to provide the minimum acceptable requirements for Drill String Non-return Valve (NRV) equip-ment. It covers Drill String Non-return Valves, Non-return

    40、Valve Subs, Non-return Valve landing nipples, Non-return Valve Equalizing Heads and all components that establish tolerances and/or clearances which may affect performance or interchange-ability of the NRV equipment. Non-return Valve Subs, Non-return Valve landing nipples, Non-return Valve Equalizin

    41、g Heads and NRVs manufactured by different facilities or manufacturers may be supplied as separate items.2 Normative referencesThe following normative documents contain provisions which, through reference in this text, constitute provisions of this stan-dard. For dated references, subsequent amendme

    42、nts to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the norma-tive documents indicated below. For undated references, the latest edition of the nor

    43、mative document referred to applies. API Spec 5CT/ISO 11960 Specification for Casing and TubingSpec 7 Specification for Rotary Drill Stem ElementsRP 13B-1 Standard Procedure for Field Testing Water-Based Drilling FluidsRP 14B/ISO 10417 Design Installation, Repair and Operation of Subsurface Safety V

    44、alve Systems MPMS, Chapter 10.4 Determination of Sediment and Water in Crude Oil by the Centrifuge Method (Field Procedure)ANSI1/NCSL Z540-1 General Requirements for Calibration Laboratories and Measuring and Test EquipmentASME 2Boiler and Pressure Vessel Code,Section II Materials specificationSecti

    45、on V Nondestructive testingSection VIII Pressure vesselsSection IX Welding and brazing qualificationsASNT3SNT-TC-1A Personnel qualification and certification in nondestructive testing1American National Standards Institute, 25 West 43rd Street,4th Floor, New York, New York 10036.2American Society of

    46、Mechanical Engineers, 345 East 47th Street, New York, New York 10017-2392.3American Society for Nondestructive Testing, P.O. Box 28518, 1711 Arlingate Lane, Columbus, Ohio 43228-0518.2API SPECIFICATION 7NRVASTM4A370 Standard test methods and definitions for mechanical testing of steel productsA388/A

    47、388M Standard practice for ultrasonic examination of heavy steel forgingsA609/A609M Standard practice for castings, carbon, low-alloy, and martensitic stainless steel, ultrasonic examination thereofD395 Standard test methods for rubber propertyCompression setD41 Standard test methods for vulcanized

    48、rubber and thermoplastic rubbers and thermoplastic elastomers TensionD1414 Standard test methods for rubber O-ringsD1415 Standard test methods for rubber propertyInternational hardnessD2240 Standard test methods for rubber propertyDurometer hardnessE10 Standard test method for Brinell hardness of me

    49、tallic materialsE18 Standard test methods for Rockwell hardness and Rockwell superficial hardness of metallic materialsE92 Standard test method for Vickers hardness of metallic materialsE94 Standard guide for radiographic testingE140 Standard hardness conversion tables for metalsE165 Standard test method for liquid penetrant examinationE186 Standard reference radiographs for heavy-walled 2 to 4 1/2 in. (51 to 114 mm) steel castingsE280 Standard reference radiographs for heavy-walled 4 1/2 to 12 in. (114 to 305 mm) steel castingsE428 Standard practice for fabrication and control o


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