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E-464 - Advanced Well Performance

10 jours PRO/WELLPERF2E
Niveau
Perfectionnement
Public
  • Reservoir, well performance or production engineers and technicians
Finalité
  • To provide the practical, comprehensive understanding and skills needed to master well performance and make significant contributions to field productivity studies and well performance monitoring
Objectifs
  • Select the adequate reservoir, fluid properties, near-wellbore zone, well completion and facilities related to well performance design
  • Select the remediation/stimulation and artificial lift methods
  • Model, forecast, assess, troubleshoot and optimize well performance
Les + pédagogiques
  • Use of the software program PROSPER™ (training license provided for the duration of the course)
  • Short lectures alternating with hands-on sessions
  • Course ends with a 2-day integrated case study

WEEK 1
INTRODUCTION TO PRODUCTION SYSTEM 0.5 jour
  • Introduction to well performance nodal analysis: inflow/outflow
  • Overview of PROSPER™ software workflow
  • PROSPER™: building initial well system file
PVT DATA/PVT MODELING 0.5 jour
  • Oil & Gas PVT properties: bubble point, Bo, Rs, GOR, solids…
  • PROSPER™: building PVT model
RESERVOIR PROPERTIES & RESERVOIR-WELLBORE INTERFACE 0.5 jour
  • Reservoir rock & fluids: porosity, permeability, saturation, relative permeability, scales, corrosion
  • Reservoir behavior type
  • Pay zone drilling, completion (open hole, cased hole), perforating
  • Wellbore treatment: sand control, stimulations (acidizing, hydraulic fracturing)
INFLOW PERFORMANCE/IPR MODELING 1.5 jours
  • Flow in the reservoir: Productivity Index (PI), empirical Inflow Performance Relationship (IPR)
  • Back pressure equation for gas wells
  • Global skin: formation damage, perforation, partial penetration, deviation
  • PROSPER™: IPR modeling exercise
  • Horizontal drains
  • PROSPER™: horizontal drain modeling
WELLBORE FLOW, OUTFLOW PERFORMANCE/VLP MODELING 1 jour
  • Flow in the wellbore: pressure gradient and Vertical Lift Performance (VLP) curves
  • GLR, tubinghead pressure, tubing ID impacts
  • Monophasic vs. polyphasic flow: minimum flow rate/well loading
  • PROSPER™: tubing correlations, VLP modeling
  • Flow in a choke
WELL PERFORMANCE 1 jour
  • Well deliverability nodal analysis: inflow x outflow
  • PROSPER™: IPR + VLP natural flow well performance modeling, prediction and analysis vs. reservoir pressure, PI, GLR, BSW, tubing ID
WEEK 2
ARTIFICIAL LIFT 3 jours
  • Gas lift: fundamentals, unloading procedure, surveillance and troubleshooting
  • PROSPER™: gas-lift design, prediction, analysis and diagnosis
  • Electrical Submersible Pump (ESP): components, design, problems
  • PROSPER™: ESP design, prediction, analysis and diagnosis
  • Rod pumping and jet pumps fundamentals
  • Comparison of the artificial lift methods
PROSPER™ CASE STUDY 2 jours
  • Application of PROSPER™ to one comprehensive case study, from PVT modeling and matching, IPR + VLP building and matching, to natural flow performance and gas-lift design/performance prediction