ISO INTERNATIONAL STANDARD 10416 Second edition 2008-06-01 Petroleum and natural gas industries - Drilling fluids Laboratory testing Industries du pétrole et du gaz naturel Fluides de forage Essais enlaboratoire Reference number ISO 10416:2008(E) @ ISO 2008 ISO10416:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ?ISO2008 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 ii @ ISO 2008 - All rights reserved ISO 10416:2008(E) Contents Page Foreword. vii Introduction . vili 1 Scope 2 Normative references . 3 Terms and definitions 4 Symbols and abbreviations ... .3 5 Barite... 5.1 Principle... 5.2 Reagents and apparatus .... 5.3 Samp.ling ... 5.4 Calculation ofmoisture content 5.5 Sieve analysis ... 5.6 Sedimentation analysis. .8 6 Barite performance.. .12 6.1 Principle.... 6.2 Reagents and apparatus .12 6.3 Base drilling fluid preparation. 13 6.4 Rheology test 6.5 Calculation. .14 7 Abrasiveness of weighting materials ..14 7.1 Principle.... 14 7.2 Reagents and apparatus .... .15 7.3 Determination of abrasion ... .15 8 Mercury in drilling fluid barite .17 8.1 Principle...... 17 8.2 Reagents and apparatus ... 17 8.3 Preparation of standards .... .19 8.4 Sample digestion ... 8.5 Check for recovery of Hg during digestion. 20 8.6 Analysis of standards and samples.... 20 8.7 9 Cadmium and lead in drilling fluid barite ..... 21 9.1 21 9.2 Reagents and apparatus .... 21 9.3 Preparation of combined cadmium and lead standards 22 9.4 Sampie digestion .... 9.5 Analysis of standards and samples.. .22 9.6 Calculation.... 23 10 Arsenic in drilling fluid barite ... .23 10.1 Principle..... .23 10.2 Reagents and apparatus ... .24 10.3 Preparation of standards .... 25 10.4 25 10.5 Analysis of standards and samples..... 10.6 Calculation... .26 11 Bridging materials for regaining circulation.. .26 Iso2008-All rights reserved ili ISO 10416:2008(E) 11.1 11.2 Apparatus 27 11.3 Preparation of test drilling fluid. 27 11.4 Static slot test...... 27 11.5 Dynamic slot test ... 28 11.6 Static marble bed test... 28 11.7 Dynamic marble bed test... .28 11.8 11.9 Dynamic ball bearings (BB shot) bed test.... 12 Filtration-control agents.. 29 12.1 Principle ... 29 12.2 29 12.3 12.4 Salt-saturated drilling fluid..... .31 12.5 High-hardness, salt-saturated drilling fluid. 32 12.6 10 % potassium chloride (Kcl) drilling fluid..... .32 12.7 Pre-hydrated bentonite slurry.. 12.8 Modified seawater drilling fluid 33 12.9 Low-salinity drilling fluid... 33 12.10 Limetreated drilling fluid... ................................................................. 12.11 Low solids, non-dispersed drilling fluid .34 12.12 Freshwater lignosulfonate drilling fluid.... 35 12.13 Initial performance test...... ..35 12.14 Performance after heat ageing .... ..36 13 Methylene blue test for drilled solids and commerical bentonite... 13.1 Methylene blue capacity of drill solids .. .36 13.2 Methylene blue capacity of commercial bentonite.. .39 13.3 14 Defloccul