API 10TR2 : 1997
API 10TR2 : 1997
SHRINKAGE AND EXPANSION IN OILWELL CEMENTS
American Petroleum Institute
SHRINKAGE AND EXPANSION IN OILWELL CEMENTS
American Petroleum Institute
1 INTRODUCTION
2 REFERENCES
3 DEFINITIONS AND SYMBOLS
3.1 Definitions
3.2 List of Symbols
4 DISCUSSION OF SHRINKAGE AND EXPANSION
4.1 Cause and Results of Shrinkage and
Expansion
5 EXPERIMENTAL PROCEDURE
5.1 The Annular Expansion Ring:
A Measurement of Linear Expansion
Under Conditions of Free Access to Water
5.2 The Cylindrical Sleeve:
A Measurement of Bulk Expansion
Under Conditions of Free Access to Water
5.3 The Membrane:
A Measurement of Bulk Shrinkage or Bulk
Expansion Under Impermeable Conditions
5.4 The CHA:
A Measurement of Inner Shrinkage
Under Free Access to Gas
6 DATA ANALYSIS
6.1 Annular Ring and Linear Bar
6.2 Sleeve and Membrane Tests
6.3 CHA Tests
7 RESULTS INTERPRETATION
7.1 General Comments About the Expansion
7.2 Neat Slurries
7.3 Influence of Foaming Agent and
Entrapped Air
7.4 Conclusion
7.5 Action of an Expanding Agent
7.6 Porosity Effect
7.7 Research of Possible Trends
8 CONCLUSION
APPENDIX A - SUGGESTED REFERENCES
Figures
1 Cement Hydration
2 The Annular Expansion Mold
3 Measurement of Cement Expansion
4 Measurement of Cement Shrinkage
(or Expansion)
5 Experiment 1
6 Experiment 2
7 Experiment 3
8 Cement Hydration Analyzer
9 CHA: Shrinkage Measurement - Test G4
10 CHA: Shrinkage Measurement - Test P3
11 Action of Expansion Agent - Expansion
as a Function of Shrinkage
12 Porosity and Membrane Shrinkage
13 Porosity and Membrane Shrinkage
14 Action of Expanding Agent, Latex,
and Dispersant
15 Cement Volume/Total Volume Ratio and
Membrane Shrinkage
16 Cement Volume/Total Volume Ratio and
Membrane Shrinkage
17 Water Weight/Cement Weight Ratio and
Membrane Shrinkage
18 Water Weight/Cement Weight Ratio and
Membrane Shrinkage
19 Water Weight/Cement Weight Ratio and
Membrane Shrinkage
20 CHA Test, System 1
21 CHA Test, System 2
Tables
1 General Table
2 Neat Slurry (H) Test, 16.8 ppg
3 Neat Slurry (A) Test, 15.6 ppg
4 Foaming Agent Test, 16.8 ppg
5 Foaming Agent Test, 16.8 ppg
6 Expanding Agent Test, 17.1 ppg
7 10 Percent Expanding Test, 17.5 ppg
8 5 Percent Latex Slurrey Test, 16.8 ppg
9 10 Percent Latex Slurrey Test, 16.8 ppg
10 10 Percent Latex Slurrey Test, 16.8 ppg
11 5 Percent Expanding Plus Latex Test, 17.1 ppg
12 5 Percent CaO:MgO + Latex (5 Percent)
+ Dispersant (1 Percent) Test, 17.1 ppg
13 10 Percent CaO:MgO + Latex (5 Percent)
+ Dispersant (1 Percent) Test, 17.5 ppg
14 Proprietary Blend Test, 16.2 ppg
15 Proprietary Blend Test, 16.2 ppg
16 Amoco Latex Test, 23.0 ppg
17 Slag Mix Test, 13.0 ppg
18 Slag Mix Test, 14.6 ppg
19 Neat H Slurries, 16.8 ppg
20 Neat Holnam H Slurries
21 The Dispersion Effect On a Neat Slurry
22 Microcement
Presents the results of research into shrinkage and expansion of oilwell cements in the wellbore as well as a series of test methods and procedures developed to measure these phenomena.
Document Type | Standard |
Status | Current |
Publisher | American Petroleum Institute |