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E-464 - Advanced Well Performance

E-464 - Advanced Well Performance

10 days
PRO/WELLPERF2E
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Reservoir, well performance or production engineers and technicians.

Level

  • Proficiency
  • This course provides the practical, comprehensive understanding and skills needed to master well performance and make significant contributions to field productivity studies and well performance monitoring.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • select the adequate reservoir, fluid, near-wellbore zone, well completion and facilities characteristics related to well performance design,
  • select the remediation/stimulation and artificial lift methods,
  • model, forecast, assess, troubleshoot and optimize well performance.
Course Content
WEEK 1

Introduction to production system

0.5 day

  • 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 day

  • Oil & Gas PVT properties: bubble point, Bo, Rs, GOR, solids…
  • PROSPER™: building PVT model.

Reservoir properties & reservoir-wellbore interface

0.5 day

  • Reservoir rock & fluids: porosity, permeability, saturation, relative permeability, scales.
  • 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 days

  • 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 day

  • 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.
  • Choke performance.

Well performance

1 day

  • Well deliverability nodal analysis: inflow x outflow:
  • PROSPER™: IPR + VLP natural flow well performance modeling,
  • Sensitivity study: prediction and analysis vs. reservoir pressure, PI, GLR, BSW, tubing ID.
WEEK 2

Artificial lift

3 days

  • 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 days

  • Application of PROSPER™ to one comprehensive case study, from PVT modeling and matching, IPR + VLP building and matching, to natural flow performance, gas-lift and ESP design/performance prediction.
Ways & Means
  • 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.