Preface; Contents; 1 Introduction; Abstract; 1.1 Why Drill Wells?; 1.2 The Basics of Well Drilling and Cementing; 1.3 The Importance of Well Cement Integrity; 1.4 Cement Chemistry; 1.5 Summary and Discussion; References; 2 Properties of Well Cement; Abstract; 2.1 Properties of the Cement Slurry; 2.2 From Slurry to Solid: Cement Hardening; 2.3 Properties of Hardened Cement; 2.4 Summary and Discussion; References; 3 Fluid Flow and Displacement in the Annulus; Abstract; 3.1 Forces Acting on Mud During Mud Displacement; 3.2 Kinematic Model of Annular Cementing; 3.3 Effect of Eccentric Annulus

3.4 Effect of Borehole Shape3.5 Lost Circulation; 3.6 Effect of Well Inclination; 3.7 Example Case History: Primary Cementing in a Horizontal Well; 3.8 Effect of Flow Regime; 3.9 Effect of Pipe Movement; 3.10 Models of Cement Flow in the Annulus; 3.11 Summary and Discussion; References; 4 Heterogeneities in Cement; Abstract; 4.1 Large-Scale Channels/Pockets; 4.2 Enhanced Cement Porosity; 4.3 Cement Slurry Settling; 4.4 Interface Defects; 4.5 Measurements of Cement Bonding Quality; 4.6 Operation-Induced Damage; 4.7 Summary and Discussion; References

5 Formation Stresses, Casing Pressure, and Annular CementAbstract; 5.1 Initial Stresses in Annular Cement; 5.2 Effect of Casing Pressure Increase on Annular Cement; 5.3 Effect of Casing Pressure Decrease on Annular Cement; 5.4 Effect of an Uncemented Channel on Stresses in Annular Cement Caused by Casing Pressure Changes; 5.5 Effect of Formation Stress Changes on Annular Cement; 5.6 From Stresses to Well Integrity: Microannulus, Cracks, and Permeability Hysteresis; 5.7 Summary and Discussion; References; 6 Thermal Stresses in Annular Cement; Abstract

6.1 Effect of Casing Temperature Increase on Well Cement6.2 Effect of Casing Temperature Decrease on Well Cement; 6.3 Effect of Eccentric Casing Positioning; 6.4 Summary and Discussion; References; 7 Knowledge Gaps and Outstanding Issues; Abstract; References; Index