Best Oil and Gas Simulation and Modeling Software - Page 9

How Many Oil and Gas Simulation and Modeling Software Products Does G2 Track?

Total Products under this Category: 139

Category Stats (Nov 2026)

  • Average Rating: 4.17/5 (↑0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings

Last updated: November 12, 2026

How Does G2 Rank Oil and Gas Simulation and Modeling Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 300+ Authentic Reviews
  • 139+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Oil and Gas Simulation and Modeling Software

G2 Grid® for Oil and Gas Simulation and Modeling Software plotting products by satisfaction and market presence

Highlighted products: Octave Aspect Pipe Stress (CAESAR II), Petrel E&P Software Platform, Aspen HYSYS, Surfer, AFT Fathom, gPROMS, and CHEMCAD.

Underlying data: [Grid® JSON](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling/grids.json?focus%5B%5D=octave-aspect-pipe-stress-caesar-ii&focus%5B%5D=schlumberger-petrel-e-p-software-platform&focus%5B%5D=aspen-hysys&focus%5B%5D=surfer&focus%5B%5D=aft-fathom&focus%5B%5D=gproms&focus%5B%5D=chemcad)

Terrastation II

Terastation II is designed for use by geologists, petrophysicists and other technical earth scientists for the use of stress analysis and project management.

Who Is the Company Behind Terrastation II?

THERMOFLEX

THERMOFLEX is a modular program with a graphical interface that allows you to assemble a model from icons representing over one hundred and seventy-five different components. The program covers both design and off-design simulation, and models all types of power plants, including combined cycles, conventional steam cycles, and repowering. It can also model general thermal power systems and networks.

Who Is the Company Behind THERMOFLEX?

Time Dynamic Volumetric Balancing

Time Dynamic Volumetric Balancing (TDVB) models the migration of reservoir fluids (oil, gas, and water) through time.ReservoirGrail's TDVB technology models the reservoir production using the drainage functions and the historical production data.

Who Is the Company Behind Time Dynamic Volumetric Balancing?

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works

TomoXPro

TomoXPro is a crosshole software package that includes crosshole survey design, model building and modeling, data pre-processing, and more with capabilities you need for performing your project.

Who Is the Company Behind TomoXPro?

  • Seller: GeoTomo
  • Year Founded: 1998
  • HQ Location: Houston, US
  • LinkedIn® Page: www.linkedin.com
    22 employees on LinkedIn®

Vecon

Vecon is a 2D/3D VSP and surface seismic design and modeling system that makes completion of a variety of jobs with features to help manage efficiency.

Who Is the Company Behind Vecon?

  • Seller: GeoTomo
  • Year Founded: 1998
  • HQ Location: Houston, US
  • LinkedIn® Page: www.linkedin.com
    22 employees on LinkedIn®

Velosi PSRA®

Velosi PSRA® is a specialized Petrol Station Risk Assessment and Inspection Management Software designed to improve safety and compliance across fuel retail environments. Built in accordance with industry guidelines such as NFPA 30A and HS(G) 146, it helps organizations identify fire, explosion, and operational hazards, assess risks, and manage inspection activities. The platform ensures structured safety evaluations, documentation of findings, corrective actions tracking, and continuous risk monitoring for petrol station operations.

Who Is the Company Behind Velosi PSRA®?

  • Seller: Velosi
  • Year Founded: 1982
  • HQ Location: Abu Dhabi, AE
  • LinkedIn® Page: www.linkedin.com
    643 employees on LinkedIn®

Virtual Oil Platform

Virtual Oil Platform provides health, safety, environment, and training capabilities to help you gain knowledge and skills on how to deal with the challenges that can occur on a rig or platform.

Who Is the Company Behind Virtual Oil Platform?

VisualPVT

VisualPVT is your indispensable aide enabling accurate modeling of reservoir fluids and operating procedures under the compositional data constrains, when use of relevant empirical dependences (correlations) is required. The software includes about 150 correlations for oil, gas and water. Each correlation is open for on-the-fly modifications via the unique embedded VBA-based editor, thus, no programming skills are required. Add new correlations and exchange them freely with other VisualPVT software users in virtue of the permissive license.

Who Is the Company Behind VisualPVT?

VMG Gasmod

GASMOD is a fully integrated gas reservoir/multi-phase pipeline simulator, capable of modelling large and small gas properties.

Who Is the Company Behind VMG Gasmod?

Volsung

Volsung offers an integrated solution to comprehensively model and simulate your geothermal process, from subsurface reservoirs to surface systems. Gain unparalleled clarity, ensure optimal system performance, and confidently make data-driven decisions. Join us in shaping the future of geothermal energy.

Who Is the Company Behind Volsung?

  • Seller: Seequent
  • Year Founded: 2003
  • HQ Location: Christchurch, NZ
  • LinkedIn® Page: www.linkedin.com
    794 employees on LinkedIn®

WAXModel

The Thermodynamic Model of Waxes (WAXModelR) computer program is capable of simulating the wax phase behavior of reservoir fluids. The WAXModelR can calculate the complete wax deposition envelope (WDE) of a reservoir fluid, including wax quality lines and much more.

Who Is the Company Behind WAXModel?

Weatherford

Weatherford is a 3D visualization tool to serve as a safety tool for international oil rig personnel to help you manage your training safety material.

Who Is the Company Behind Weatherford?

WellAna

WellAna allows treatment of multiple zones with different stimulation properties, reservoir matrix properties and reservoir size. Crossflow between zones and wellbore storage transients are properly handled. Several different hydraulic fracture behavior models can be specified for each zone.

Who Is the Company Behind WellAna?

WellArchitect

Trajectory calculations, target erosion by positional uncertainty, reporting, plotting, and 3D visualization are all included in this package.

Who Is the Company Behind WellArchitect?

WELLCAT

WELLCAT is a casing design software designed to allow engineers to model complex HP/HT conditions and design casing and tubular design, while obtaining both the right well integrity and the best cost configuration.

Who Is the Company Behind WELLCAT?

  • Seller: Halliburton
  • Year Founded: 1919
  • HQ Location: Houston, Texas
  • LinkedIn® Page: www.linkedin.com
    61,205 employees on LinkedIn®
  • Ownership: NYSE:HAL
  • Total Revenue (USD mm): $14,445
Neya Kumaresan
NK
Researched and written by Neya Kumaresan
Updated October 3, 2024