API 10B : 1997

1 SCOPE
1.1 Well Cements
1.2 API Cement Classes
2 REFERENCED PUBLICATIONS
3 DEFINITIONS
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
6.1 Preferred Apparatus
6.2 Calibration
6.3 Procedure
6.4 Alternate Apparatus and Calibration
6.5 Alternate 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 Procedure of Determining Cement Compressive Strength
      at the Top of Long Cement Columns
7.7 Well Simulation Compressive Strength Tests
      (See Table 2)
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
9.3 Calibration
9.4 Test Procedure
9.5 Determination of Test Schedule
10 STATIC FLUID LOSS TEST
10.1 General
10.2 Apparatus
10.3 Safety
10.4 Mixing Procedure
10.5 Conditioning Procedures
10.6 Procedures for Testing at Temperatures Less Than
      194 deg F (90 deg C)
10.7 Procedures for Testing at Temperatures Greater Than
      193 deg F (89 deg C)
10.8 Filling the Static Fluid Loss Cell
10.9 Heating (Non-stirred Cell)
10.10 Equipment Setup
10.11 Fluid Loss Test
10.12 Test Completion and Clean Up
11 PERMEABILITY TESTS
11.1 Scope
11.2 Apparatus
11.3 Sample Preparation
11.4 Liquid Permeability (Cement Permeameter - Figure 9)
11.5 Liquid Permeability Alternate Procedure (Core
      Permeameter - Figure 10)
11.6 Calculating Liquid Permeability
11.7 Gas Permeability (Core Permeameter - Figure 10)
11.8 Calculating Gas Permeability
12 DETERMINATION OF RHEOLOGICAL PROPERTIES AND GEL
      STRENGTH USING A ROTATIONAL VISCOMETER
12.1 Scope
12.2 Procedure
12.3 Units
12.4 Apparatus
12.5 Calibration
12.6 Procedure for the Determination of Rheological
      Properties
12.7 Procedure for Determination of Gel Strength
12.8 Modeling of the Rheological Behavior
12.9 Examples
13 PROCEDURE FOR CALCULATING 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 Plastics Fluids
13.5 Example of Calculations
14 ARCTIC CEMENTING TEST PROCEDURE
14.1 Scope
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 Scope
16.2 Definitions
16.3 Preparation of Test Fluids
16.4 Rheology
16.5 Thickening Time
16.6 Compressive Strength
16.7 Solids Suspension and Static Gel Strength
16.8 Fluid Loss
17 POZZOLANS
17.1 General
17.2 Definitions
17.3 Physical and Chemical Properties
17.4 Slurry Calculations
17.5 Bulk Volume of a Blend
APPENDIX A PROCEDURE FOR PREPARATION OF LARGE SLURRY
              VOLUMES
APPENDIX B CALIBRATION PROCEDURES FOR THERMOCOUPLES,
              TEMPERATURE MEASURING SYSTEMS AND CONTROLLERS
APPENDIX C ADDITIONAL INFORMATION RELATING TO TEMPERATURE
              DETERMINATION
APPENDIX D ALTERNATE APPARATUS FOR WELL SIMULATION
              THICKENING TIME TESTS
Figures
Tables

Gives guidance for the testing of cement slurries and related materials under simulated well conditions.