_RP_39-1998_scan.pdf

STD*API/PETRO RP 39-ENGL 1998 0732290 Ob06097 422 Recommended Practices on Measuring the Viscous Properties of a Cross-linked Water-based Fracturing Fluid API RECOMMENDED PRACTICE 39 THIRD EDITION,MAY 1998 American Petroleum Institute Helping You Get The Job Done Right?Copyright American Petroleum Institute Provided by IHS under license with API No reproduction or networking permitted without license from IHSSTDmAPIiPETRO RP 39-ENGL 1998 0732290 0606078 367 Recommended Practices on Measuring the Viscous Properties of a Cross-lin ked Water-based Fracturing Fluid Exploration and Production Department API RECOMMENDED PRACTICE 39 THIRD EDITION,MAY 1998 American Petroleum Institute Helping You Get The Job Done Right?Copyright American Petroleum Institute Provided by IHS under license with API No reproduction or networking permitted without license from IHSSTD*API/PETRO RP 39-ENGL 1998 0732290 ObObO99 2T5 D SPECIAL NOTES API publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state,and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers,manufacturers,or suppliers to warn and properly train and equip their employees,and others exposed,concerning health and safety risks and precautions,nor undertaking their obligations under local,state,or fed-eral laws.Information concerning safety and health risks and proper precautions with respect to par-ticular materials and conditions should be obtained from the employer,the manufacturer or supplier of that material,or the material safety data sheet.Nothing contained in any AH publication is to be construed as granting any right,by implication 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against liability for infringement of letters patent.Generally,API standards are reviewed and revised,reaffirmed,or withdrawn at least every five years.Sometimes a one-time extension of up to two years will be added to this review cycle.This publication will no longer be in effect five years after its publication date as an operative API standard or,where an extension has been granted,upon republication.Status of the publication can be ascertained from the API Exploration and Production Department telephone(202)682-8000.A catalog of API publications and materials is published annu-ally and updated quarterly by API,1220 L Street,N.W.,Washington,D.C.20005.This document was produced under API standardization procedures that ensure appropn-ate notification and participation in the developmental process and is designated as an API standard.Questions concerning the interpretation of the content of this standard or com-ments and questions concerning the procedures under which this standard was developed should be directed in writing to the director of the Exploration and Production Department,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 director.API standards are published to facilitate the broad availability of proven,sound engineer-ing and operating practices.These standards are not intended to obviate the need for apply-ing sound engineering judgment regarding when and where these standards should be utilized.The formulation and publication of API standards 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 requirements of that standard.API does not represent,warrant,or guarantee that such prod-ucts do in fact conform to the applicable M I standard.Ali rights reserved.No part of this work may be reproduced,stored in a retrieval system,or transmitted by any means,electronic,mechanical,photocopying,recording,or otherwise,without prior written permission m the publishez Contact the Publisher;API Publishing Services,1220 L Street,N.U?,Washington,D.C.20005.Copyright O 1998 American Petroleum institute Copyright American Petroleum Institute Provided by IHS under license with API No reproduction or networking permitted without license from IHS-STD-APIIPETRO RP 39-ENGL 1998 M 0732290 ObObLOO 847 M FOREWORD These recommended practices were prepared by the API Subcommittee on Fracturing Fluid Rheology.These practices and procedures were compiled on the basis of several years of comparative testing,debate,discussion,and continued cross-linked fracturing fluid research in the industry concerning the factors that affect cross-linked fracture fluid behavior.The recommended practices contained in this document are specifically for mixing and testing cross-linked water-based fracturing fluids.Recommended practices