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