Chapter 1: Introduction1. Introduction
2. Hydrates in Drilling Operations
1.1 Hydrate in offshore drilling
2.1 Hydrates sediments drilling
3. Summary of hydrate studies in drilling mud
4. Hydrate behaviour in drilling mud additives
5. Significance of Managing Hydrate in Drilling
5.1. Safe drilling operation
5.2. Future Energy Production
6. Structure of the book
7. Conclusions
References
Chapter 2: Fundamentals of Hydrates and Drilling Mud
1. Introduction
2. Fundamentals of Hydrates
2.1. Gas hydrate formation process
2.2. Natural occurring hydrates sediments
2.3. Stability of hydrates sediments
2.4. Drilling through hydrate sediments
3. Fundamentals of Drilling Mud
3.1. Functions and operating principles drilling fluid
3.2. Importance of the drilling fluid
3.3. Categories of drilling fluids
3.4. Drilling fluid additives
3.5. Drilling Fluid Components effect on hydrates
4. Conclusions
References
Chapter 3: Testing Drilling Fluid and Hydrate Properties
1. Introduction
2. Drilling Mud Formulation
2.1. Drilling fluid testing apparatus
2.2. Drilling mud testing procedures
3. Hydrate Testing Apparatus
3.1. Thermodynamics of hydrate formation
3.2. Kinetics of hydrate formation
3.3. Kinetics of hydrate dissociation
4. Conclusions
References
Chapter 4: Rheology of Hydrate-Based Drilling Mud
1. Introduction
2. Rheological Data of Drilling Mud for Hydrate Management
3. Rheological Properties of Drilling Mud
3.1. Yield stress
3.2. Viscosity
3.3. Gel properties
3.4. Cutting removal index
3.5. Hydraulic parameters of drilling mud for hydrate management
3.5.1 Flow index
3.5.2 Consistency index.
4. Conclusions
References
Chapter 5: Hydrate Thermodynamic Behaviour in Drilling Mud
1. Introduction
2. Hydrate Thermodynamic Data in Drilling Mud
3. Hydrate Phase Behaviour in Drilling Mud Additive
3.1. Effect of polymers
3.2. Effect of pressure
3.3. Effect of solids
3.4. Concentration effect
4. Conclusions
References
Chapter 6: Hydrate Kinetics Behaviour in Drilling Mud
1. Introduction
2. Hydrate Kinetics Data in Drilling Mud
3. Hydrate Formation Kinetics in Drilling Mud
3.1. Nucleation time
3.2. Hydrate of hydrate formation
3.3. Gas consumed
4. Hydrate Dissociation Kinetics in Drilling Mud
4.1. Hydrate dissociation time
4.2. Amount to gas released
5. Conclusions
References
Chapter 7: Practical Application of Drilling Mud in Hydrate Related Drilling Operations
1. Introduction
2. Hydrate Encounter and Mitigation in Offshore Operation
3. Hydrate Sediment Drilling
4. Conclusions
References
