Description

Designed for you, if you are...

The benefits from attending

• Explain the principles of reservoir fluid composition, properties and modelling. Identify the limitations of using correlations and Equations of State
• Describe and interpret IPR curves and their derivation (PI, Vogel, Darcy etc.). Explain the components and effect of skin
• Explain the concepts of slip and holdup and how this influences flow correlation selection. Describe the parameters for running lift curves and explain the shape of outflow curves
• Identify the key factors controlling pressure loss In flowlines and the appropriate correlations
• Explain the concepts of nodal analysis for flowrate prediction and the effect of sensitivity variables
• Build, validate and match a naturally flowing oil well model (Prosper)
• Run nodal analysis sensitivities, interpret the results and export lift curves (Prosper)
• Apply and interpret more complex inflow modelling options (Darcy and skin) (Prosper)

Topics

• Production System Concepts (Part 1)
• QUIZ - Production system concepts (1)
• Production System Concepts (Part 2)
• QUIZ - Production system concepts (2)
• Data measurement quality
• QUIZ - Data measurement quality

• Units - an introduction to oilfield units
• Units - an exercise on conversion factors
• Units - prefixes in common use
• QUIZ - Units
• Datums (measurement reference points)
• QUIZ - Datums

• Reservoir fluid composition
• Reservoir fluid properties
• Reservoir fluid properties - plots
• QUIZ - Reservoir fluid composition

• Wellbore fluids sampling
• Reservoir fluids measurements (PVT analysis)
• Fluid property correlations
• QUIZ - Reservoir fluid measurement, analysis and correlations

• Introduction and overview (Prosper)
• Units and datums (Prosper)
• Building a well model (options and preferences) (Prosper)
• Building a well model (PVT data entry and matching) Part 1 (Prosper)
• Building a well model (PVT data entry and matching) Part 2 (Prosper)

• Inflow performance and Productivity Index (PI)
• PI and Darcy's Law
• How to increase PI
• Pressure distribution in the reservoir
• QUIZ - Inflow performance and PI

• Radial inflow performance equation (oil)
• Two phase inflow performance (PI and Vogel)
• Skin components
• QUIZ - Multiphase inflow performance

• Components of wellbore pressure loss (gravity and friction)
• Friction in the wellbore - estimates and calculation
• Velocity and slip in the wellbore

• Effect of flow distribution (regime) on slip
• Slip and holdup correlations and flow regime maps
• More on slip and holdup and an overview of flow correlations
• Pressure loss in the wellbore - a summary
• QUIZ - Pressure loss in the wellbore

• How does Pwf change with flowrate - an introduction to VLPs
• Flow correlation comparisons (gradient traverse and VLPs)
• Recommended variables when generating VLPs for simulators
• QUIZ - Flow correlations and VLPs

• Building a well model (equipment data entry) (Prosper)
• Building a well model (inflow data entry) (Prosper)

• Components of surface pressure loss and rate of change of WHP
• Choke performance overview
• Surface flow correlation comparisons
• QUIZ - Pressure loss at surface

• Introduction to nodal analysis
• Running sensitivities (watercut and tubing size)
• Running sensitivities (stimulation and WHP)

• Running sensitivities (actual nodal analysis plots)
• Nodal analysis plot interpretation (optimisation)
• QUIZ - Well performance prediction

• Matching the well model (production test data analysis) Part 1 (Prosper)
• Matching the well model (production test data analysis) Part 2 (Prosper)
• Running sensitivities Part 1 (Prosper)
• Running sensitivities Part 2 (Prosper)
• Exporting lift curves (VLPs) & IPR (Prosper)

• More complex inflow (IPR) modelling (Darcy and Skin) Part 1 (Prosper)
• More complex inflow (IPR) modelling (Darcy and Skin) Part 2 (Prosper)

• Running gradient traverse (outflow) sensitivities (Prosper)
• Running reservoir performance (inflow) sensitivities (Prosper)
• Building a water injector and exporting lift curves (Prosper)
• Naturally flowing well – workflow summary (Prosper)

• EXAM - Oil well modelling with Prosper