Hydraulic Fracturing 

Training Course

Hydraulic Fracturing 

• Basic Rock Mechanics as Applied to Fracturing

             - Stress, deformation, pore pressure, effective stress

- Rock stiffness, tensile and shear strength

- Tensile tests, UCS, triaxial testing

- Strength profiling

- Rock stiffness and strength from sonic logs

• In-situ Stress

    - In-situ stress regimes

- Overburden stress

- Min and max horizontal stress

- Reservoir pressure gradient

• In-situ Stress Assessment

    - Easton’s equation

- Minifrac (DFIT) test

    Min stress from G-function method

    Pressure derivative and square root method

- Natural fracture network complexity from DFIT data

     - After closure analysis

 Flow regime diagnostic

 Permeability estimation

 Reservoir pressure

 Leak-off coefficient

• Post-frac Productivity

     - Variables affecting post-frac productivity

     - Dimensionless fracture conductivity

     - Fold of increase

     - Transient flow

     - Effect of natural fractures

• Fracture Geometry

                  - Fracture initiation and formation breakdown

                  - Fracture orientation

                  - Fracture length, height, area, confinement

                  - Fracture width and net pressure from PKN and GDK methods

                  - Radial fracture

                  - Fracture tip effects

                  - Thermal effects on fracturing pressure

                  - Fracture design variables

• Perforation Design for Hydraulic Fracturing

    - Perf diameter

    - Perf density

    - Phasing

• Geomechanics of Multi-stage Fracturing in Horizontal Wells

                  - Fracture interference

     - Proppant stress

     - Stress shadow

     - Natural fracture interaction with tensile fracture

     - Rock fracability

• Proppant Selection

     - Proppant types

     - Size and concentration (PPG and lb/sqft)

     - Proppant conductivity testing