1、Practices for Side-pocket Mandrels and Related EquipmentANSI/API RECOMMENDED PRACTICE 19G4 FIRST EDITION,JUNE 2011REAFFIRMED,JANUARY 2019ISO 17078-4:2010(Identical),Petroleum and natural gas industriesDrilling and production equipment,Part 4Practices for side-pocket mandrels and related equipmentPra
2、ctices for Side-pocket Mandrels and Related EquipmentUpstream SegmentANSI/API RECOMMENDED PRACTICE 19G4 FIRST EDITION,JUNE 2011REAFFIRMED,JANUARY 2019ISO 17078-4:2010(Identical),Petroleum and natural gas industriesDrilling and production equipment,Part 4Practices for side-pocket mandrels and related
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5、 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 anyone desiring to do so.Every effort has been made by the Institute to assure theaccuracy and reliability of the dat
6、a contained in them;however,the Institute makes no representation,warranty,orguarantee in connection with this publication and hereby expressly disclaims any liability or responsibility for loss ordamage resulting from its use or for the violation of any authorities having jurisdiction with which th
7、is publication mayconflict.API publications are published to facilitate the broad availability of proven,sound engineering and operatingpractices.These publications are not intended to obviate the need for applying sound engineering judgmentregarding when and where these publications should be utili
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10、opying,recording,or otherwise,without prior written permission from the publisher.Contact the Publisher,API Publishing Services,1220 L Street,NW,Washington,DC 20005.Copyright 2011 American Petroleum InstituteAPI ForewordThe API Subcommittee on Offshore Structures(SC 2)voted to adopt a modified versi
11、on of ISO 19901-4:2003 asAmerican National Standard ANSI/API Recommended Practice 2GEO.These modifications from the ISO standardhave been incorporated directly into the text and marked with a change bar in the margin.Nothing contained in any API publication is to be construed as granting any right,b
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13、 minimum requirement in order to conform to the specification.Should:As used in a standard,“should”denotes a recommendation 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 notifi
14、cation andparticipation in the developmental process and is designated as an API standard.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 Direc
15、tor of Standards,American PetroleumInstitute,1220 L Street,NW,Washington,DC 20005.Requests 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 lea
16、st every five years.A one-timeextension of up to two years may be added to this review 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 Department,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.iiiiii Contents Page API Foreword.ii Foreword.iv Introd
