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Simulation

Fast, Scalable Reservoir Simulation

Black Oil, Compositional and Thermal simulation on one CPU+GPU engine – built to scale from single wells to multi-million-block field models.

Advanced Reservoir Simulation, Built for Modern Hardware

tNavigator’s Simulation engine is reservoir simulation software built for speed and scale, combining Black Oil, Compositional and Thermal simulators in one CPU+GPU engine. It supports optimal field development decisions across conventional and unconventional recovery, enhanced oil recovery, CCUS and geothermal projects.


Unlimited Parallel Performance

Scale simulations across workstations and clusters – model size grows with each additional node, letting teams run field-scale models with tens of millions of active grid blocks.

Real-Time Results Analysis

Pause a simulation at any timestep to inspect results, without needing to complete the full run – all within a single, synchronised interface.

Comprehensive Physics in One Engine

Darcy flow, PVT and equations of state, hysteresis, dual porosity/permeability, streamlines, aquifers and tracers are all handled natively, without add-on modules.


Simulation supports a comprehensive range of physics and workflows within one platform:

  • Black Oil, Compositional and Thermal simulation – model isothermal and thermal systems, including chemical reactions, in one platform.
  • Enhanced oil recovery (EOR) – simulate surfactant, polymer, alkaline, foam and CO2 injection processes.
  • Thermal recovery – model steam injection and Steam-Assisted Gravity Drainage (SAGD).
  • Coal bed methane (CBM) – capture molecular diffusion, adsorption and desorption for coal bed methane modelling.
  • Advanced grids – work with corner-point and unstructured grids, local refinement and coarsening, non-neighbour connections, faults and pinch-outs.
  • Wells and networks – model vertical, horizontal and multisegmented wells, drilling queues, surface networks and gas-gathering systems.
  • Reservoir coupling & sector modelling – run multi-reservoir, master-slave coupled models, plus automatic sector split and merge.
  • Pause-and-inspect calculations – review results at any timestep without waiting for the full run to finish.

Simulation is fully integrated within the tNavigator platform:

  • Runs directly on models built in Geology Designer, Model Designer and Mining Designer.
  • Couples with Geomechanics and Fracture Simulator for stress- and fracture-aware simulation.
  • Connects to AHM & Uncertainty for calibration, optimisation and forecast confidence.
  • Feeds Reservoir Performance and Network Designer for production analysis and full-field optimisation.

Common Use Cases

  • Field development planning for conventional and unconventional assets
  • EOR and IOR screening and design (polymer, surfactant, CO2, foam)
  • Thermal recovery and SAGD modelling
  • CCUS and geothermal reservoir simulation
  • Large-scale, multi-million-block field simulation on clusters