NBN EN ISO 10426-2 : 2003 COR 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
   3.1 Terms and definitions
   3.2 Symbols
4 Sampling
   4.1 General
   4.2 Sampling cement at field location
   4.3 Sampling cement blends at field location
   4.4 Sampling dry cement additives at field location
   4.5 Sampling liquid cement additives at field location
   4.6 Sampling mixing water
   4.7 Shipping and storage
   4.8 Sample preparation prior to testing
   4.9 Sample disposal
5 Preparation of slurry
   5.1 General
   5.2 Apparatus
   5.3 Procedure
6 Determination of slurry density
   6.1 Preferred apparatus
   6.2 Calibration
   6.3 Procedure
   6.4 Alternative apparatus and procedure
7 Well-simulation compressive strength tests
   7.1 General
   7.2 Sampling
   7.3 Preparation of slurry
   7.4 Apparatus
   7.5 Procedure
   7.6 Determination of cement compressive strength at the
         top of long cement columns
8 Non-destructive sonic testing of cement
   8.1 General
   8.2 Apparatus
   8.3 Sampling
   8.4 Preparation of slurry
   8.5 Procedure
   8.6 Curing time
   8.7 Curing schedules
   8.8 Data reporting
9 Well-simulation thickening-time tests
   9.1 General
   9.2 Apparatus and material
   9.3 Calibration
   9.4 Test procedure
   9.5 Determination of test schedule
10 Static fluid-loss tests
   10.1 General
   10.2 Apparatus
   10.3 Safety
   10.4 Mixing procedure
   10.5 Conditioning procedures
   10.6 Procedures for testing at temperatures <= 88 degree
         C (190 degree F)
   10.7 Procedures for testing at temperatures > 88 degree C
         (190 degree F)
   10.8 Filling the static fluid-loss cell
   10.9 Fluid loss test
   10.10 Test completion and clean-up
11 Permeability tests
   11.1 General
   11.2 Apparatus
   11.3 Sample preparation
   11.4 Liquid permeability (cement permeameter)
   11.5 Alternative procedure (core permeameter) for liquid
         permeability
   11.6 Calculating liquid permeability
   11.7 Gas permeability (core permeameter)
   11.8 Calculating gas permeability
12 Determination of rheological properties and gel strength
   using a rotational viscometer
   12.1 General
   12.2 Apparatus
   12.3 Calibration
   12.4 Determination of rheological properties
   12.5 Determination of gel strength
   12.6 Modelling of the rheological behaviour
13 Calculation of pressure drop and flow regime for cement
   slurries in pipes and annuli
   13.1 General
   13.2 Newtonian fluids
   13.3 Power Law fluids
   13.4 Bingham Plastic fluids
   13.5 Conversion factors
14 Test procedure for arctic cementing slurries
   14.1 General
   14.2 Preparation of cement slurry
   14.3 Fluid fraction
   14.4 Thickening time
   14.5 Compressive strength
   14.6 Freeze-thaw cycling at atmospheric pressure
   14.7 Compressive strength cyclic testing
15 Well-simulation slurry stability tests
   15.1 Introduction
   15.2 Slurry mixing
   15.3 Slurry conditioning
   15.4 Free-fluid test with heated static period
   15.5 Free-fluid test with ambient temperature static
         period
   15.6 Sedimentation test
16 Compatibility of wellbore fluids
   16.1 General
   16.2 Preparation of test fluids
   16.3 Rheology
   16.4 Thickening time
   16.5 Compressive strength
   16.6 Solids suspension and static gel strength
   16.7 Fluid loss
17 Pozzolans
   17.1 General
   17.2 Types of pozzolan
   17.3 Physical and chemical properties
   17.4 Slurry calculations
   17.5 Bulk volume of a blend
Annex A (normative) Procedure for preparation of large slurry
        volumes
Annex B (normative) Calibration procedures for thermocouples,
        temperature-measuring systems and controllers
Annex C (informative) Additional information relating to
        temperature determination
Annex D (normative) Alternative apparatus for well
        thickening-time tests
Annex E (informative) Cementing schedules
Bibliography

Specifies requirements and gives recommendations for the testing of cement slurries and related materials under simulated well conditions.