WES Trainings

Drilling Fluids Engineering – Fluid Dynamics & Solids Separation

Course Outline

Day - 1

Introduction to Drilling Fluids and Basic Fluid Dynamics

  • Overview of drilling fluid types and functions
    • Water-based, oil-based, and synthetic-based muds
    • Functions of drilling fluids in wellbore stability, cooling, lubrication, etc.
  • Basic fluid properties and testing
    • Density, viscosity, gel strength, yield point
    • API and field measurement techniques
  • Fluid dynamics fundamentals
    • Newtonian vs. non-Newtonian fluids
    • Laminar vs. turbulent flow
    • Reynolds number, friction factor, and flow regimes in annular and pipe flow
  • Rheological models (Bingham Plastic, Power Law, Herschel-Bulkley)
Day - 2

Applied Hydraulics in Drilling Operations

  • Pressure loss calculations:
    • Surface equipment, drill pipe, annulus
    • Bit nozzle hydraulics
  • Equivalent Circulating Density (ECD)
    • Surge and swab effects
    • Impact on wellbore pressure and fracture gradients
  • Optimization of hydraulics for drilling efficiency
    • Bit hydraulic horsepower and impact force
    • Jet and nozzle design
    • Role in ROP (Rate of Penetration)
  • Real-time monitoring and pressure profiles
Day - 3

Solids Control Equipment and Theory

  • Importance of solids control in drilling
    • Impact of solids on mud properties and wellbore stability
  • Types and characteristics of drilled solids
  • Particle size distribution and behavior in drilling fluids
  • Solids control equipment overview
    • Shale shakers
    • Desanders and desilters
    • Mud cleaners and degassers

Performance parameters and operational adjustments

Day - 4

Centrifuges, Dilution, and Advanced Solids Separation

  • Decanter centrifuge fundamentals
    • Operating principles and critical parameters
    • Applications for weighted and unweighted mud
  • Cut and fill techniques
  • Dilution and chemical treatment strategies
    • Managing low-gravity and high-gravity solids
    • Use of flocculants and coagulants

Field case studies: successful solids separation practices

Day - 5

Integration, Troubleshooting, and Practical Assessment

  • Integration of fluid dynamics and solids control in overall well design
    • Wellbore hydraulics planning
    • Mud program design for various hole sections
  • Troubleshooting common field problems
    • High ECD, barite sag, poor cuttings transport
    • Solids loading, screen blinding
  • Hands-on simulation or group exercises

Final knowledge assessment (written + case-based)

error: