ISO INTERNATIONAL STANDARD 13501 Second edition 2011-06-15 Petroleum and natural gas industries - Drilling fluids Processing equipment evaluation Industries du pétrole et du gaz naturel - Fluides de forage - Evaluation des équipements de traitement Reference number ISO 13501:2011(E) @ ISO 2011 by IHS under lic itted without license from IHS Not for Resale ISO 13501:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved y IHS unde permitted without licensefrom IHS Not for Resale ISO 13501:2011(E) Contents Page Foreword Introduction .vi 1 Scope 2 Normative references... 3 Terms, definitions, symbols and abbreviated terms 3.1 Terms and definitions .. 3.2 Symbols and abbreviatedterms.... 4 Requirements. 13 5 System performance of drilled-solids removal. 13 5.1 5.2 Apparatus 13 5.3 Sampling.... 14 5.4 Procedure... 15 6 Rigsite evaluation of drilled-solids management equipment 18 6.1 Principle...... 6.2 Application.. .18 6.3 Sampling of streams for capture analysis .. 19 6.4 Determination of mass fraction (percent) solids 19 6.5 Calculation of capture.... 20 6.6 Interpretationofresults. 20 6.7 Procedure for characterizing removed solids ..... 21 6.8 Calculation of mass fraction (percent) of low-gravity solids.... 21 6.9 Particle size assessment on removed solids ...... 21 6.10 Economics.... 22 7 Practical operational guidelines 22 7.1 Principle...... .22 7.2 Apparatus.. 22 7.3 Procedure for design and operation ... 23 7.4 Design of shale shakers .... 26 7.5 Operation of shale shakers 7.6 Designofdegassers... 27 7.7 Operation of degassers 28 7.8 Design of desanders and desilters ..... 28 7.9 Design of mud cleaners ... 7.10 Design of centrifuges... .30 7.11 Use of addition sections .. 30 7.12 Use of drilling fiuid mixing and biending equipment 7.13 Use of suction section . 31 7.14 Use of discharge section.. 8 Conductance of shale shaker screens... 31 8.1 31 8.2 8.3 Apparatus for measurement of conductance 33 8.4 Procedure for calibrating fluid ..... 34 8.5 Procedureforflowtest 8.6 Procedure for measuring pressure drop ..... 8.7 Procedure for conductance test ... 35 8.8 Calculation of conductance .... 35 Copyrght International Organization forStandardizalon ghts reserved ili Not for Resale