Well PerformanceCOMP/WELLPERFE

Who should attend?

  • This course provides a comprehensive understanding of well lift optimization.
Audience :
  • E&P technical staff involved in well operations.
  • Reservoir engineers involved in field studies with productivity and artificial lift issues.
  • Development engineers involved in conceptual design with well architecture and artificial lift.

Level : Foundation

Course Content

  • PVT & RESERVOIR FUNDAMENTALS

      • Oil & Gas PVT properties: bubble point, Bo, Rs, GOR, solids…
      • Reservoir rock and fluids: porosity, permeability, saturation, relative permeability.
      • Reservoir behavior types.
  • RESERVOIR-WELLBORE INTERFACE FUNDAMENTALS

      • Pay zone drilling, completion (open hole, cased hole), perforating.
      • Wellbore treatment: sand control, stimulations (acidizing, hydraulic fracturing).
  • INFLOW PERFORMANCE

      • Flow in the reservoir: Productivity Index (PI), empirical Inflow Performance Relationship (IPR), horizontal wells.
      • Back pressure equation for gas wells.
      • Global skin: formation damage, perforation, partial penetration, deviation.
      • Applications - Exercises.
  • OUTFLOW PERFORMANCE

      • Flow in the wellbore: pressure gradient and Vertical Lift Performance (VLP) curves.
      • GLR, tubing head pressure, tubing ID impact.
      • Monophasic vs. polyphasic flow: minimum flowrate/well loading.
      • Applications - Exercises.
  • WELL PERFORMANCE

      • Well deliverability nodal analysis: inflow/outflow.
      • Well performance modeling, prediction and analysis vs. reservoir pressure, PI, GLR, BSW, tubing ID.
      • Applications - Exercises.
  • ARTIFICIAL LIFT

      • Gas lift: fundamentals, unloading procedure, surveillance and troubleshooting.
      • Electrical Submersible Pump (ESP): components, design, problems.
      • Rod pumping and jet pumps fundamentals.
      • Comparison of the artificial lift methods.
  • INTRODUCTION TO PROSPER™

      • Overview of well performance software tool and methods.
      • PROSPER™ methodology for gas-lift design and troubleshooting, manual application.
      • PROSPER™ methodology for ESP troubleshooting.
  • KNOWLEDGE ASSESSMENT

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • select the relevant reservoir characteristics and fluid properties related to well performance modeling,
  • design artificial lift and select the adequate method,
  • optimize well performance,
  • analyze the impact of well completion and equipment on well performance,
  • analyze the operation process.