# Best Oil and Gas Simulation and Modeling Software - Page 5

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

**Total Products under this Category:** 134

### Category Stats (Aug 2026)

- **Average Rating:** 4.14/5 The average rating of products in this category, based on all submitted ratings

_Last updated: August 01, 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
- 134+ 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](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling/grids.png?focus%5B%5D=57710&focus%5B%5D=13024&focus%5B%5D=12899&focus%5B%5D=109729&focus%5B%5D=111152&focus%5B%5D=13036&focus%5B%5D=13001)

Highlighted products: Octave Aspect Pipe Stress (CAESAR II), Petrel E&P Software Platform, Surfer, Aspen HYSYS, 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=surfer&focus%5B%5D=aspen-hysys&focus%5B%5D=aft-fathom&focus%5B%5D=gproms&focus%5B%5D=chemcad)

**Sponsored**

### FortiGate-VM NGFW

FortiGate-VM is a virtual firewall solution designed to help users secure their cloud environments and on-premises networks. As a next-generation firewall developed by Fortinet, FortiGate-VM integrates advanced security features with the flexibility of virtualization, making it suitable for deployment in various public and private cloud infrastructures. This solution is particularly beneficial for organizations looking to enhance their cybersecurity posture while leveraging the scalability and efficiency of cloud technologies. Targeted at enterprises and organizations of all sizes, FortiGate-VM is ideal for IT security teams that require robust protection against increasingly sophisticated cyber threats. Its deployment across diverse environments allows businesses to maintain consistent security policies and practices, regardless of whether their infrastructure is on-premises, in the cloud, or a hybrid of both. Specific use cases include protecting sensitive data in cloud applications, securing remote access for employees, SD-WAN, and ensuring compliance with industry regulations. One of the key features of FortiGate-VM is its AI-powered threat intelligence. FortiGuard utilizes machine learning algorithms to analyze vast amounts of data, enabling the identification of emerging threats in real time. This proactive approach to threat detection ensures that organizations can respond swiftly to potential vulnerabilities before they can be exploited. Additionally, the behavioral analysis capabilities of FortiGate-VM allow for the identification of anomalous activities, further enhancing its ability to mitigate risks associated with cyberattacks. FortiGate-VM stands out in the virtual firewall category due to its seamless integration with existing Fortinet security solutions, providing a comprehensive security architecture. The solution offers advanced features such as intrusion prevention, web filtering, and application control, all of which contribute to a multi-layered defense strategy. Furthermore, its scalability allows organizations to easily adjust their security resources in response to changing business needs, ensuring that they remain protected as they grow. FortiGate-VM delivers unmatched security and value, making it a vital component for organizations seeking to fortify their defenses against the evolving landscape of cyber threats. Its combination of advanced threat protection, AI-driven insights, and flexible deployment options positions it as a critical tool for maintaining a secure and resilient network environment.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=460&secure%5Bchosen_at%5D=2026-08-02T10%3A34%3A43Z&secure%5Bdisplayable_resource_id%5D=73&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=40399&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=40399&secure%5Bresource_id%5D=460&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Foil-and-gas-simulation-and-modeling%3Fpage%3D5&secure%5Btoken%5D=65ce2fdd5fbacc9863f1ff6ea683ffe7f334567c2d1a1e89504cadff10d56c48&secure%5Burl%5D=https%3A%2F%2Fvm.fortigate.com%2F%3Futm_source%3Dg2%26utm_medium%3Dcpc%26utm_id%3Ddirect-publisher&secure%5Burl_type%5D=custom_url)

### [FLAC2D](https://www.g2.com/products/flac2d/reviews)

FLAC2D, Fast Lagrangian Analysis of Continua, is numerical modeling software for advanced geotechnical analysis of soil, rock, groundwater, and ground support in two dimensions. FLAC is used for analysis, testing, and design by geotechnical, civil, and mining engineers. It is designed to accommodate any kind of geotechnical engineering project that requires continuum analysis. FLAC utilizes an explicit finite difference formulation that can model complex behaviors, such as problems that consist of several stages, large displacements and strains, non-linear material behavior, or unstable systems (even cases of yield/failure over large areas, or total collapse).

#### Who Is the Company Behind FLAC2D?

- **Seller:** [ITASCA Software](https://www.g2.com/sellers/itasca-software)
- **Year Founded:** 1981
- **HQ Location:** Minneapolis, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=923085d869db69e97779c7ed58259bdd5e9adc85952d6b488489710733bc29b8&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fitasca-software&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

### [flotools](https://www.g2.com/products/flotools/reviews)

flotools is designed by flow assurance engineers for flow assurance engineers, obot simplifies your simulation workflow and lets you focus on engineering instead of hunting for licenses or building batch files.

#### Who Is the Company Behind flotools?

- **Seller:** [evoleap](https://www.g2.com/sellers/evoleap)
- **Year Founded:** 2012
- **HQ Location:** Houston, US
- **Twitter:** @evoleap  
12 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=a2da10f2b02a3aae1daddea45a168f00437dc253ff5ee5f4d105fdb06518f073&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fevoleap&secure%5Burl_type%5D=linkedin_company_website)  
17 employees on LinkedIn®

### [Flow Assurance Analyst](https://www.g2.com/products/flow-assurance-analyst/reviews)

Flow Assurance Analyst provides services in the areas of flow assurance project management as well as flow assurance technical work for independent and major oil and gas companies.

#### Who Is the Company Behind Flow Assurance Analyst?

- **Seller:** [FlowAssurance Engineering](https://www.g2.com/sellers/flowassurance-engineering)
- **Year Founded:** 2013
- **HQ Location:** Houston, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=dedfe34625ca3b0e76f29d10f0397b7b2408dfe0fbecbdedd6ac4cf428cfd5c6&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fflowassure-engineering-llc&secure%5Burl_type%5D=linkedin_company_website)  
2 employees on LinkedIn®

### [FlowSim Studio](https://www.g2.com/products/flowsim-studio/reviews)

FlowSim Studio is a fully implicit, three-phase, three-dimensional black-oil and composite reservoir simulator. It simulates dynamic responses of oil and gas reservoir performance by computing gas, oil and water phase flow within the reservoir.

#### Who Is the Company Behind FlowSim Studio?

- **Seller:** [Plano Research](https://www.g2.com/sellers/plano-research)
- **Year Founded:** 2001
- **HQ Location:** Plano, US
- **Twitter:** @PRC\_Software  
28 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=3f1313484503caef213200406bab1fa0677da6c94630e8fcfd192444c279d723&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fplano-research-corporation%2F&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

### [Geology by Seisware](https://www.g2.com/products/geology-by-seisware/reviews)

Geology by SeisWare places traditional geologic interpretation tools, including tops picking and log correlation, into a dynamic 3D environment. Any changes in interpretation are immediately reflected in 2D and 3D space, with structural surfaces and zone interval maps updating on the fly. Dynamic cross sections can be moved through the reservoir to check for accuracy and consistency in interpretations. Best of all, Geology is fully integrated with Geophysics by SeisWare, for a complete sub-surface interpretation solution.

#### Who Is the Company Behind Geology by Seisware?

- **Seller:** [SeisWare International](https://www.g2.com/sellers/seisware-international)
- **Year Founded:** 1996
- **HQ Location:** Calgary, Alberta
- **Twitter:** @SeisWare  
562 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=98f83ea60721e54281f9e9d45dc5f31f3d7520c7a2b157d592f771bbd465b34b&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F428331%2F&secure%5Burl_type%5D=linkedin_company_website)  
40 employees on LinkedIn®

### [GeoModeller](https://www.g2.com/products/geomodeller/reviews)

GeoModeller is an advanced 3D geological modeling software developed by Intrepid Geophysics in collaboration with the French Geological Survey . It enables geoscientists to construct complex, implicit 3D geological models by integrating diverse data types, including geological contacts, orientations, drillhole data, geophysical surveys, and structural inferences. The software's geostatistical vector field interpolator allows for the creation of detailed geological interfaces and fault networks, even with sparse datasets. GeoModeller is widely utilized across various sectors such as mining, oil and gas, geothermal energy, hydrogeology, and engineering, facilitating comprehensive subsurface interpretations and decision-making processes. Key Features and Functionality: - Implicit 3D Geological Modeling: Utilizes a geostatistical vector field interpolator to build 3D geological models constrained by primary geological data, including contacts and orientation data. - Drillhole and Data Management: Offers full support for drillholes and attributed data, with interpolation methods such as domain kriging to mimic geological formation shapes. - Geophysical Modeling and Inversion: Performs forward and inverse modeling of potential field geophysics directly from 3D geology, supporting gravity, magnetics, full tensor gradiometry, and airborne EM data. - Geothermal Modeling: Computes forward heat flow modeling integrated with the 3D geological modeling engine. - Advanced Fault Network Management: Manages complex fault networks and stratigraphic piles through rule-based modeling, ensuring accurate representation of geological structures. - Mesh and Grid Management: Provides tools for 3D grids/mesh calculation, adaptive tetrahedral meshing, and visualization, enhancing the analysis of geological models. Primary Value and User Solutions: GeoModeller addresses the need for accurate and efficient 3D geological modeling by integrating various geological and geophysical data into a cohesive framework. Its implicit modeling approach allows for rapid construction and revision of geological models, accommodating new data seamlessly. By offering tools for forward and inverse geophysical modeling, GeoModeller enables users to validate and refine their geological interpretations, reducing uncertainty and improving decision-making in exploration and resource management. The software's comprehensive functionality supports a wide range of applications, from resource estimation and drillhole management to geothermal and hydrogeological studies, making it an invaluable tool for geoscientists aiming to understand complex subsurface geometries and optimize exploration strategies.

#### Who Is the Company Behind GeoModeller?

- **Seller:** [Intrepid Geophysics](https://www.g2.com/sellers/intrepid-geophysics)
- **Year Founded:** 1985
- **HQ Location:** Brighton, AU
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=445342b69f58d3507caf48c5fb362942d3e1b9464b8609472482ddffce63fb33&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fintrepid-geophysics&secure%5Burl_type%5D=linkedin_company_website)  
18 employees on LinkedIn®

### [GPCM](https://www.g2.com/products/gpcm/reviews)

GPCM is a combination software-database system, whose purpose is to enable its users to build models for analysis of natural gas economics, including the sectors of production, transportation, storage, marketing, and sales to distributors and other large customers.

#### Who Is the Company Behind GPCM?

- **Seller:** [RBAC](https://www.g2.com/sellers/rbac)
- **Year Founded:** 1987
- **HQ Location:** Katy, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=15a67b5abc0f5cab1a4b4b2c55b16d8248b7a01bcfe7495d1fdb1e34a39e7391&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Frbac-inc-&secure%5Burl_type%5D=linkedin_company_website)  
17 employees on LinkedIn®

### [GPM Geological Process Modeling Software](https://www.g2.com/products/gpm-geological-process-modeling-software/reviews)

GPM geological process modeling software is a simulator for forward modeling of stratigraphic and sedimentary processes that works with the Petrel E&P software platform.

#### Who Is the Company Behind GPM Geological Process Modeling Software?

- **Seller:** [SLB](https://www.g2.com/sellers/slb-198f919f-8761-4195-b804-317681d11409)
- **Year Founded:** 1846
- **HQ Location:** Houston, TX
- **Twitter:** @Schlumberger
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=8eb74ef913c3bc9f581369f323f4354cf423639a16b39350da0d5efe17c9d78c&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fslbglobal%2F&secure%5Burl_type%5D=linkedin_company_website)  
79,702 employees on LinkedIn®
- **Ownership:** LSE:SCL

### [IMAT](https://www.g2.com/products/imat/reviews)

IMAT: a mining toolbox for numerical modeling, seismic analysis, and more. IMAT (ITASCA's Mining Analysis Toolbox) is a cutting-edge geotechnical modeling and seismic analysis toolbox for mining professionals, offering an intuitive interface and powerful numerical tools to streamline complex simulations, optimize designs, perform seismic analysis, and manage risks efficiently.

#### Who Is the Company Behind IMAT?

- **Seller:** [ITASCA Software](https://www.g2.com/sellers/itasca-software)
- **Year Founded:** 1981
- **HQ Location:** Minneapolis, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=923085d869db69e97779c7ed58259bdd5e9adc85952d6b488489710733bc29b8&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fitasca-software&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

### [IMEX](https://www.g2.com/products/imex/reviews)

IMEX is a black oil and reservoir simulator.

#### Who Is the Company Behind IMEX?

- **Seller:** [Computer Modeling Group LTD.](https://www.g2.com/sellers/computer-modeling-group-ltd)
- **Year Founded:** 1978
- **HQ Location:** Calgary, CA
- **Twitter:** @CMG\_software  
668 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ee755a05989abd3f9d114d53f7027e5882bad0cf1e32435e7837ad8eb26a9efe&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcomputer-modelling-group-ltd&secure%5Burl_type%5D=linkedin_company_website)  
318 employees on LinkedIn®
- **Ownership:** TSE: CMG

### [Impala](https://www.g2.com/products/impala/reviews)

Impala is a parallelized algorithm for multiple point statistics simulation designed to be fast and compact in terms of RAM requirement.

#### Who Is the Company Behind Impala?

- **Seller:** [Ephesia Consult](https://www.g2.com/sellers/ephesia-consult)
- **Year Founded:** 1988
- **HQ Location:** Troinex, CH
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c10e6b0cccef0c2a4592276ccf7f765116a187599e0018c798eda4220297b1f3&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fephesia-consult&secure%5Burl_type%5D=linkedin_company_website)  
8 employees on LinkedIn®

### [INDISS PLUS](https://www.g2.com/products/indiss-plus/reviews)

INDISS PLUS is a software platform for simulation and control processes.

#### Who Is the Company Behind INDISS PLUS?

- **Seller:** [Corys](https://www.g2.com/sellers/corys)
- **Year Founded:** 1989
- **HQ Location:** GRENOBLE cedex 1, FR
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=e7cf331c1273f23f048059d759c9dc466a7308524b7e949eb2ec576da041f091&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F48613&secure%5Burl_type%5D=linkedin_company_website)  
562 employees on LinkedIn®

### [INTERSECT High-Resolution Reservoir Simulator](https://www.g2.com/products/intersect-high-resolution-reservoir-simulator/reviews)

The INTERSECT high-resolution reservoir simulator goes beyond the capabilities offered by current-generation simulators.

#### Who Is the Company Behind INTERSECT High-Resolution Reservoir Simulator?

- **Seller:** [SLB](https://www.g2.com/sellers/slb-198f919f-8761-4195-b804-317681d11409)
- **Year Founded:** 1846
- **HQ Location:** Houston, TX
- **Twitter:** @Schlumberger
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=8eb74ef913c3bc9f581369f323f4354cf423639a16b39350da0d5efe17c9d78c&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fslbglobal%2F&secure%5Burl_type%5D=linkedin_company_website)  
79,702 employees on LinkedIn®
- **Ownership:** LSE:SCL

### [INTViewer](https://www.g2.com/products/intviewer/reviews)

INTViewer is a platform and application that allows you to view your seismic data, check for errors, confirm geospatial integrity, perform light processing, and analyze your dataset. INTViewer is specifically designed to quickly access large datasetsprestack, stack, and 2Dfrom a laptop in the field to a desktop or remotely via the cloud. As a platform, INTViewer makes it easy to add or implement proprietary features on your own to meet the specific needs of your project, and with a simple Python script, you can automate your analysis.

#### Who Is the Company Behind INTViewer?

- **Seller:** [Interactive Network Technologies](https://www.g2.com/sellers/interactive-network-technologies)
- **Year Founded:** 1989
- **HQ Location:** Houston, US
- **Twitter:** @INT\_Inc  
282 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=28d60a1a1c6652af2bf4f90620bb393059a838cf7b5849332f01fe2477bd7093&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fint%2F&secure%5Burl_type%5D=linkedin_company_website)  
135 employees on LinkedIn®

### [iRes PetroPhaseN](https://www.g2.com/products/ires-petrophasen/reviews)

PetroPhase is a Windows-based, state-of-the-art PVT phase package. PetroPhase provides a simple and efficient user interface to input, validate and save data and its robust calculation engine provides reliable simulation, characterization and regression results.

#### Who Is the Company Behind iRes PetroPhaseN?

- **Seller:** [Plano Research](https://www.g2.com/sellers/plano-research)
- **Year Founded:** 2001
- **HQ Location:** Plano, US
- **Twitter:** @PRC\_Software  
28 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=3f1313484503caef213200406bab1fa0677da6c94630e8fcfd192444c279d723&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fplano-research-corporation%2F&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

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Similar Categories

- [Exploration](/categories/exploration)
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- [Oil and Gas Asset Management](/categories/oil-and-gas-asset-management)

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[Browse Oil and Gas Simulation and Modeling Themes](/categories/oil-and-gas-simulation-and-modeling/themes)

 ![Neya Kumaresan](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neya Kumaresan")
NK

Researched and written by [Neya Kumaresan](https://research.g2.com/insights/author/neya-kumaresan)

Updated October 3, 2024

Many of the decisions made by oil and gas companies rely on simulations of deposits, wells, infrastructure, and operations. Companies use oil and gas simulation and modeling software to create realistic representations of reservoirs, equipment use, and resistivity, as well as environmental effects. This type of software helps oil and gas companies predict exploration or production results, and assess risks that may impact safety and profitability.

Oil and gas simulation and modeling software uses data from systems such as [geology and seismic](https://www.g2.com/categories/geology-and-seismic), [exploration](https://www.g2.com/categories/exploration), and production in order to create accurate models and simulations.

To qualify for inclusion in the Oil and Gas Simulation and Modeling category, a product must:

- Provide customizable pre-defined models for activities like explorations and drilling
- Create and compare simulation scenarios with different parameters
- Capture and manage characteristics of hydrocarbons such as fluidity, pressure, or temperature
- Predict and evaluate risks that can impact safety or productivity
- Simulate processes based on standard procedures and best practices
- Support decision making by providing reporting and analytics on simulations

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