tNavigator v25.2 Overview

tNavigator is an integrated reservoir modeling and simulation software suite developed by Rock Flow Dynamics (RFD), a leader in high-performance solutions for the energy sector. It provides a unified platform for the entire upstream workflow, from seismic interpretation and geological modeling to dynamic simulation, history matching, uncertainty analysis, and production optimization. tNavigator excels in handling complex reservoirs with advanced features like full-field compositional simulation, geomechanics coupling, and AI-driven forecasting. It’s optimized for high-performance computing (HPC), supporting GPU acceleration to drastically reduce simulation times—often from weeks to hours—for large-scale models in oil & gas, carbon capture (CCUS), geothermal, and hydrogen storage applications.

The suite includes modules such as:

  • Geology & Model Designer: For static model building and upscaling.
  • Simulator Kernel: Black-oil, compositional, and thermal simulators.
  • PVT Designer: Fluid property modeling.
  • AHM & Uncertainty: Assisted history matching and probabilistic forecasting.
  • Well & Network Designer: Production network optimization.
  • Geosteering & Seismic: Real-time drilling support and inversion.

tNavigator runs on Windows and Linux, with cluster scalability for enterprise deployments. It’s used by major operators and service companies worldwide for faster decision-making and reduced project risks.

tNavigator v25.2 Specifics

Released on July 24, 2025, as the second quarterly update in the 25.x series (following v25.1 in April 2025), tNavigator v25.2 delivers significant enhancements emphasizing AI integration, GPU performance, and geomechanics for next-generation energy transitions. This version builds on v24.4’s usability improvements, focusing on smarter simulations and broader applicability to low-carbon tech. Key highlights include:

  • Simulator Kernel Advancements:
    • Full GPU support for thermal CO2STORE models, enabling up to 10x faster simulations on NVIDIA Blackwell GPUs for CCUS projects.
    • Enhanced compositional modeling with phase-specific transport coefficients for improved accuracy in gas condensate and EOR (enhanced oil recovery) scenarios.
    • Smart well completions with dynamic inflow control devices (ICDs) for better reservoir management.
  • AI and Machine Learning Integration:
    • New AI-powered proxy models for rapid uncertainty quantification, reducing runtime by 50% in ensemble-based workflows.
    • Automated pattern recognition in production data for anomaly detection and predictive maintenance.
  • Geomechanics and Geosteering:
    • Coupled poroelastic simulations with fault reactivation modeling to assess risks in unconventional reservoirs.
    • Real-time geosteering enhancements with ML-based trajectory optimization, supporting live data feeds from drilling tools.
  • Usability and Workflow Improvements:
    • Expanded Remote GUI for cloud-based collaboration, including real-time log viewing and multi-user editing.
    • New visualization tools for 3D phase envelopes and network throughput heatmaps.
    • Broader material support for hydrogen and geothermal fluids in PVT analysis.