Reservoir Geomechanics
Training Course
Reservoir Geomechanics
In-situ stress assessment
- Determination of overburden stress
- Minifrac testing for sh assessment
σh from shut-in tests
σh from flowback tests
- σh from Leak-off and extended leak-off tests
- Step-rate testing
- Eaton correlation for sh assessment
- Breakout information to determine σh
- Shear wave splitting to determine σh
- Determination of pore pressure in permeable and impermeable media
- In situ stress directions
Hydraulic Fracturing
- Fracture initiation and formation breakdown
- Fracture orientation, growth and confinement
- Thermal effects on fracturing pressure
- Leak-off and extended leak-off tests, minifrac tests, Step-rate testing
Reservoir Rock Mechanics
- Permeability variation with effective stress
- Stress redistribution with production/injection and its effects
- Reservoir shearing and injection
- Reservoir depletion effects
- Thermal effects in reservoir geomechanics
- Reservoir compaction and land subsidence
- Casing shear
Rock Mechanics and Completions
- Standalone screens
- Screens inside cased holes
- Sand exclusion completions
- Fracturing methods
- Fracturing using zonal exclusion
- Selective perforating
- Expandable screens
- Gravel packing
Rock Mechanics and Drilling
- Effect of mud weight on wellbore stability
- Effect of mud cake on wellbore stability
- Drilling and shale fissility
- Drilling through faults
- Real-time wellbore stability
- Mud cooling to increase borehole stability
Drilling in and around Salt
- Drilling problems in salt rock
- Salt characteristics and behavior
- Stresses in and around salt
- Salt damage around borehole
- Salt diapir and Salt Tongues
- Wellbore trajectory choice
- Mud weight selection
Unusual stress regimes
- abnormal Pressure causes
- Pore pressure prediction
- Review of a synthetic OP case