Cementing/Hydraulic Isolation optimization

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Cementing/Hydraulic Isolation optimization by Mind Map: Cementing/Hydraulic Isolation optimization

1. Rheological hierarchy (pre-cementing)

2. Drilling Fluids Design

2.1. Weighting material

2.1.1. Baryte

2.1.2. Salt

3. Cement Design

3.1. Fluid loss

3.2. Placement indices checks

3.2.1. Gas Flow Potential

3.2.2. Hydrostatic Factor

3.2.3. Pressure Decay Limit Parameter

3.2.4. Slurry Performance Number

3.3. Compatibility (Drilling Fluids - Spacer- Cement)

3.4. Contact Time Requirements

3.5. Transition Time

3.6. Free Water

3.7. Rheological properties used for design

3.7.1. API 13D

3.7.2. API 10B

4. Spacer Design

4.1. Spacer/Drilling Fluid compatibility

4.2. Spacer wettability

4.3. Stability of spacer after design

4.4. Pumpability of spacer after design

5. Operations/Execution

5.1. Rheological hierarchy check/confirmation

5.2. Fluid Velocity/Flow region during fluid displacement

5.2.1. Plug flow

5.2.2. Turbulent flow

5.3. Mud removal/ Mud conditioning

6. Other Methods of isolation

6.1. Swell Packers

6.2. External Casing Packers

6.3. Expansive Cement