Integrated Production Modelling: PROSPER, MBAL and GAP

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About the Course

This course provides fundamental training on integrated production modelling. It is structured to cover field development analysis, optimization and performance forecasting in an integrated fashion using PROSPER, MBAL and GAP.
It will improve the engineer’s understanding of the approach to building Integrated Production Models using PROSPER, MBAL and GAP, with a focus on the engineering, quality control and program navigation and the kind of opportunities that these models afford engineers and the organisation in terms of getting more value from the managed assets.
The course pays specific attention to discussing the fundamental physical principles behind the operation of the tools, thereby giving attendees the ability to independently use the software tools to quality check existing physical models, and understand and optimize the performance of production systems.

Course Objectives

  • Develop and/or improve the engineer’s IPM tools usage proficiency
  • Understand the basic physical principles behind the models being used and
  • Understand the limitations of the models.
  • After completing this course, engineers should be able to build and calibrate well models to measured test data and use calibrated well models for life-of-well sensitivity analyses and artificial lift design studies.
  • The attendees are also expected to gain a fundamental understanding of the physics of well, pipeline network and material balance reservoir modelling principles.
  • In addition, attendees will be able to build and history-match reservoir models using Material Balance Techniques, use matched reservoir models for production forecasts and other studies and ultimately integrate matched well and reservoir models with surface pipeline network models for full-field integrated studies.

Course Agenda

Day 1

  • Introduction to integrated production system and why an overall approach is necessary
  • Introduction to PROSPER – philosophy and methodology
  • Pressure loss in the wellbore – gravity and friction terms, slip, holdup
  • Importance of PVT
  • VLP flow correlations theory. Important parameters
  • Inflow performance models – introduction
  • Workshop – building a wellbore model, matching PVT and flow correlations, running sensitivities, generation of lift curves for output to GAP or simulator.

Day 2

  • Inflow performance models – Vogel, Darcy, multi-layer, horizontal, fractured etc.
  • Special topics: skin calculation, gravel pack design
  • Gas lift introduction – purpose
  • Gas lift designs
  • Use of “Quicklook” for gas lift
  • Workshop – inflow performance, gravel pack and skin modelling, running sensitivities
  • Practice in building and analysing well problems. Artificial lift design
  • Introduction to ESP modelling

Day 3

  • Introduction to MBAL – theory and capabilities
  • Aquifer models, history matching techniques (numerical and graphical), simulation
  • Running a prediction – importing VLPs and IPRs from PROSPER, adding constraints
  • Introduction to multi-tank and multi-PVT MBAL
  • Workshop – Building a tank model, history matching, integration with PROSPER for predictions. Field development example.

Day 4

  • Introduction to GAP – theory and capabilities
  • Building a surface network model – linking to PROSPER well models
  • Generation of surface performance curves
  • Production monitoring with well tests. Pipeline modelling and matching
  • Adding constraints at well, manifold, pipeline and separator level.

Day 5

  • Integrated modelling
  • Linking PROSPER and MBAL to GAP for full field optimisation and forecasting
  • Batch generation of lift curves and IPRs. Production allocation
  • Field optimisation – gas lift gas allocation
  • Full field forecasting with linked reservoir model(s)
  • Workshop – Full field development example. Well development schedule top meet target production profile. Effect of artificial lift.

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