_API_MPMS_3.1A-2005.pdf

No roproduction or notworking permitled without liconso from IHSNot for RosaleSPECIAL NOTESAPI publications necessarily address problems of a general nature.With respect to particu-lar circumstances,local,state,and federal laws and regulations should be reviewed.Neither API nor any of APIs employees,subcontractors,consultants,committees,orother assignees make any warranty or representation,either express or implied,with respectto the accuracy,completeness,or usefulness of the information contained herein,or assumeany liability or responsibility for any use,or the results of such use,of any information orprocess disclosed in this publication.Neither API nor any of APIs employees,subcontrac-tors,consultants,or other assignees represent that use of this publication would not infringeupon privately owned rights.API publications may be used by anyone desiring to do so.Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in them;however,theInstitute makes no representation,warranty,or guarantee in connection with this publicationand hereby expressly disclaims any liability or responsibility for loss or damage resultingfrom its use or for the violation of any authorities having jurisdiction with which this publi-cation may conflict.API publications are published to facilitate the broad availability of proven,sound engi-neering and operating practices.These publications are not intended to obviate the need forapplying sound engineering judgment regarding when and where these publications shouldbe utilized.The formulation and publication of API publications is not intended in any wayto inhibit anyone from using any other practices.All rights reserved.No part of this work may be reproduced,stored in a retrieval system,ortransmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission from the publisher:Contact the Publisher.AP/Publishing Services,1220 L Street,N.W.Washington,D.C.20005.Copyright 2005 American Petroleum InstituteNo roproduction or notworking permitled without liconso from IHSNot for RosaleFOREWORDNothing contained in any API publication is to be construed as granting any right,byimplication or otherwise,for the manufacture,sale,or use of any method,apparatus,or prod-uct covered by letters patent.Neither should anything contained in the publication be con-strued as insuring anyone against liability for infringement of letters patent.This document was produced under API standardization procedures that ensure appropri-ate notification and participation in the developmental process and is designated as an APIstandard.Questions concerning the interpretation of the content of this publication or com-ments and questions concerning the procedures under which this publication was developedshould 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 ortranslate all or any part of the material published herein should also be addressed to thedirector.Generally.API standards are reviewed and revised,reaffirmed,or withdrawn at leastevery 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 API publications and materials is published annually andupdated quarterly by API,1220 L Street,N.W.,Washington,D.C.20005.Suggested revisions are invited and should be submitted to the Standards and PublicationsDepartment,API,1220 L Street,NW,Washington,DC 20005,standardsapi.org.No roproduction or notworking permitled without liconso from IHSNot for Rosale