tNavigator Full Overview


Audience:
Reservoir engineers, geoscientists and other specialists who are interested in learning tNavigator.

Pre-requisite:
Reservoir engineering background.

Duration:
3-4 days.

Course content:

  • Overview of all tNavigator Modules: Black Oil, Compositional, Thermal Compositional, Graphical User Interface, Assisted History Matching and Uncertainty, Model Designer.

tNavigator General Features:

  • Graphical User Interface: 2D and 3D maps, graphs, buttons, settings, templates, bubble maps, cross-plots, histograms, well profiles.
  • History Matching tools.
  • Black-oil, compositional, thermal models.
  • Job Queue. Multiple model versions.
  • Field development planning – vertical and horizontal wells, well patterns.
  • Waterflood optimization: streamlines, tracers, aquifers, drainage tables and graphs, aquifers.
  • Sector modelling: automatic Split and Merge workflow.
  • Import, export data and reports. Results types, binary files, copying data for blocks, graphs, export of static and dynamic properties, loading measured data (BHP, RFT/MDT, LAS files and other).
  • EOR methods in tNavigator: alkalines, surfactants, polymers.
  • Hydraulic fractures.
  • Schedule update. Loading well data: trajectories, events, groups, history tables.
  • Advanced user map calculator: build any maps and filters to analyze data. Editing permeability, transmissibility multipliers, building in GUI any property map. Smoothing and interpolation.
  • Correlations for RP, PVT, lifting tables available.
  • Surface network.
  • How to tune solver and timestep controls – description of tNavigator special calculation tuning settings, used to optimize model performance and calculation time.

Assisted History Matching and Uncertainty:

  • Experimental design: Latin Hypercube, Grid Search, Tornado.
  • Optimization algorithms: Differential evolution, Particle swam optimization (PSO), Simplex method (Nelder-Mead), Response surface (Proxy models).
  • Arbitrary objective function, taking into account RFT/MDT measurements, NPV optimization.
  • Job Queue.
  • Graphical interface: graphs, tables, histograms, cross-plots to compare model variants.
  • Typical AHM scenarios overview.
  • AHM for different geological realizations.
  • Analytics: Pearson correlation, Tornado plots.
  • P10, P50, P90 and other quantiles.
  • Forecast optimization, optimization of well position and trajectory.
  • Theory and Practical examples.

Model Designer: tNavigator Pre-processor

  • Starting the project from RESCUE files with grid and properties.
  • Advanced property calculator.
  • Loading well history and events, setting limits and control mode for wells, economical limits.
  • Creating of well groups, group controls.
  • Local grid editing.
  • Adding new wells.
  • Working with 2D and 3D views, histograms, 2D curves (polygons).
  • Adding aquifers.
  • PVT package. PVT experiments (DLE, CCE, CVD), phase envelope.  Standing correlation for PVT data.
  • Corey and LET correlation for relative permeabilities.
  • VFP package. Build VFP tables via correlations.
  • Starting the project from existing hydrodynamic model. Grid, property editing, PVT, RP, well production data update.
  • Working with geological and hydrodynamic model in one graphical interface.