Best Oil and Gas Simulation and Modeling Software

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

Total Products under this Category: 141

Category Stats (Sep 2026)

  • Average Rating: 4.17/5 The average rating of products in this category, based on all submitted ratings

Last updated: September 26, 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
  • 141+ 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, 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)

Octave Aspect Pipe Stress (CAESAR II)

Aspect Pipe Stress (formerly CAESAR II) is Octave’s industry-leading, complete solution for pipe stress analysis. Aspect Pipe Stress lets engineers improve piping designs, while the data it provides benefits all aspects of your operation. Whether it’s static or dynamic analysis, Aspect Pipe Stress is robust and gives engineers ways to have confidence in their designs while reducing modeling time with access to the latest codes and standards such as ASME, EN and more. Octave Aspect Pipe Stress also abides by nuclear industry standards, complying with ASME NQA-1 quality assurance. Aspect Pipe Stress enables easy interoperability with other industry-leading tools engineers use such as Forte 3DWorx (formerly CADWorx), Aspect Pressure Vessel (formerly PV Elite), Forte 3D (formerly Smart 3D) and more. Its integration with Hexagon’s structural analysis tool, Aspect Structure (formerly GT STRUDL), even allows the sharing of load details post-analysis so pipe stress analysis and structural groups can work together without duplicating effort. For organizations of any size seeking ways for their piping engineers to be more efficient while having access to the latest technologies in the analysis space, Aspect Pipe Stress is the only suitable solution.

Average Rating: 4.4/5.0

Total Reviews: 44

How Do G2 Users Rate Octave Aspect Pipe Stress (CAESAR II)?

  • Ease of Use: 8.5/10 (Category avg: 8.4/10)

Who Is the Company Behind Octave Aspect Pipe Stress (CAESAR II)?

  • Seller: Octave
  • Company Website:
  • HQ Location: Madison, US
  • LinkedIn® Page: www.linkedin.com
    3,835 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Oil & Energy, Mechanical or Industrial Engineering
  • Company Size: 41% Small, 37% Medium

What Do G2 Reviewers Say About Octave Aspect Pipe Stress (CAESAR II)?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Octave Aspect Pipe Stress, noting its simple interface and efficient modeling process.
  • Users appreciate the intuitive interface of Octave Aspect Pipe Stress, making modeling and outputs straightforward.
  • Users find pipe routing easy and appreciate the quick modeling with efficient import and export options.
  • Users value the simple, easy-to-understand interface of Octave Aspect Pipe Stress, enhancing their modeling experience.
  • Users appreciate the simple and easy-to-understand interface of Octave Aspect Pipe Stress, enhancing their modeling experience.
Cons
  • Users face complex usability due to limitations on opening multiple files with a single license on the same system.
  • Users find Octave Aspect Pipe Stress to be too expensive compared to other stress analysis software options available.

What Are Recent G2 Reviews of Octave Aspect Pipe Stress (CAESAR II)?

What Are G2 Users Discussing About Octave Aspect Pipe Stress (CAESAR II)?

Petrel E&P Software Platform

The Petrel E&P software platform brings disciplines together with best-in-class applied science in an unparalleled productivity environment. This shared earth approach enables companies to standardize workflows from exploration to production—and make more informed decisions with a clear understanding of both opportunities and risks.

Average Rating: 4.7/5.0

Total Reviews: 17

How Do G2 Users Rate Petrel E&P Software Platform?

  • Ease of Use: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind Petrel E&P Software Platform?

  • Seller: SLB
  • Year Founded: 1846
  • HQ Location: Houston, TX
  • Twitter: @Schlumberger
  • LinkedIn® Page: www.linkedin.com
    81,934 employees on LinkedIn®
  • Ownership: LSE:SCL

Who Uses This Product?

  • Top Industries: Oil & Energy
  • Company Size: 47% Large, 35% Medium

What Are Recent G2 Reviews of Petrel E&P Software Platform?

Aspen HYSYS

Maximize safety, throughput and profits by optimizing the entire site in one environment using industry-validated simulation accuracy and time-saving workflows.

Average Rating: 4.5/5.0

Total Reviews: 38

How Do G2 Users Rate Aspen HYSYS?

  • Ease of Use: 8.5/10 (Category avg: 8.4/10)

Who Is the Company Behind Aspen HYSYS?

  • Seller: Aspen Technology
  • Year Founded: 1981
  • HQ Location: Bedford, MA
  • Twitter: @AspenTech
    4,751 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4,038 employees on LinkedIn®
  • Ownership: NASDAQ: AZPN

Who Uses This Product?

  • Top Industries: Chemicals, Oil & Energy
  • Company Size: 49% Medium, 27% Small

What Are Recent G2 Reviews of Aspen HYSYS?

What Are G2 Users Discussing About Aspen HYSYS?

Surfer

Surfer® is a full-function 2D and 3D mapping, modeling, and analysis software package for scientists and engineers. Surfer's sophisticated interpolation engine quickly transforms XYZ and XYZC data into publication-quality maps. Virtually every aspect of the map is customizable. Enhance maps with profiles, legends, titles and labels, faults and breaklines, or external maps from any web mapping service. Surfer is used extensively by geologists, geophysicists, hydrologists, archaeologists, oceanographers, biologists, consultants, engineers, and many others across the globe.

Average Rating: 4.6/5.0

Total Reviews: 124

How Do G2 Users Rate Surfer?

  • Ease of Use: 8.7/10 (Category avg: 8.4/10)

Who Is the Company Behind Surfer?

  • Seller: Golden Software
  • Year Founded: 1983
  • HQ Location: Golden, CO
  • Twitter: @GoldenSoftware1
    780 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Environmental Services, Oil & Energy
  • Company Size: 53% Small, 26% Medium

What Are Recent G2 Reviews of Surfer?

What Are G2 Users Discussing About Surfer?

AFT Fathom

Fathom is the industry-standard software for steady-state hydraulic flow analysis. Developed by engineers for engineers, it is used in over 113 countries and across every major industry. Fathom is the preferred tool for process design engineers to analyze, design, and troubleshoot piping and ducting systems—saving time and resources compared to manual calculations or spreadsheets. Fathom delivers confident and accurate calculations for designing safe, reliable, and efficient pumping systems. Known for its intuitive interface and report-ready outputs, Fathom has a short learning curve and provides fast, reliable results for engineering teams.

Average Rating: 4.6/5.0

Total Reviews: 16

How Do G2 Users Rate AFT Fathom?

  • Ease of Use: 8.7/10 (Category avg: 8.4/10)

Who Is the Company Behind AFT Fathom?

  • Seller: Datacor
  • Year Founded: 1981
  • HQ Location: Florham Park, US
  • Twitter: @Datacor
    541 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    299 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Process Engineer
  • Top Industries: Oil & Energy
  • Company Size: 38% Large, 31% Medium

What Are Recent G2 Reviews of AFT Fathom?

What Are G2 Users Discussing About AFT Fathom?

gPROMS

gPROMS has support for multiscale modeling, custom modeling, a full process flowsheet and many more benefits.

Average Rating: 4.3/5.0

Total Reviews: 23

How Do G2 Users Rate gPROMS?

  • Ease of Use: 7.6/10 (Category avg: 8.4/10)

Who Is the Company Behind gPROMS?

Who Uses This Product?

  • Top Industries: Chemicals, Research
  • Company Size: 44% Small, 28% Large

What Are Recent G2 Reviews of gPROMS?

CHEMCAD

CHEMCAD is a powerful and versatile chemical process simulation software suite designed to enhance the productivity and effectiveness of chemical engineers. As an integrated, intuitive platform, CHEMCAD fits seamlessly into the engineering workflow and serves as a catalyst for innovation, precision, and efficiency across a wide range of chemical process industries. Its modular design and user-friendly interface make it accessible to both experienced professionals and new users, while its evolving capabilities ensure it remains at the forefront of process simulation technology. One of CHEMCAD’s most distinguishing features is its high degree of customization and flexibility. Engineers can tailor the software to align with their specific needs and methodologies, making it an ideal solution for projects of all sizes and complexities. The software’s affordability further broadens its accessibility, allowing organizations of varying scales to benefit from its robust simulation capabilities without compromising on quality or performance. All modules within CHEMCAD operate within a single graphical user interface (GUI), allowing for a streamlined and cohesive user experience. This unified approach minimizes workflow interruptions and simplifies navigation between different simulation tasks. The software also features visually appealing graphics and detailed reports that can be easily exported to third-party applications, enhancing collaboration and communication across multidisciplinary teams. CHEMCAD is designed to integrate smoothly into a typical chemical engineering computing environment, enabling engineers to use it alongside existing tools and platforms with minimal friction. Moreover, users receive unparalleled technical support, with a dedicated team ready to provide personalized assistance and ensure that engineers can fully leverage the software’s capabilities. As the demands of the chemical engineering field continue to grow and evolve, CHEMCAD adapts in tandem—continually improving to meet new challenges and maintain its role as a cornerstone in process simulation. Whether optimizing existing processes or designing new ones, CHEMCAD empowers engineers with the tools they need to succeed.

Average Rating: 4.0/5.0

Total Reviews: 10

How Do G2 Users Rate CHEMCAD?

  • Ease of Use: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind CHEMCAD?

  • Seller: Ingenious
  • Year Founded: 2005
  • HQ Location: N/A
  • Twitter: @IngeniousUSA
    26 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 40% Large, 30% Medium

What Are Recent G2 Reviews of CHEMCAD?

What Are G2 Users Discussing About CHEMCAD?

PIPEPHASE

PIPEPHASE is a steady-state, multiphase fluid flow simulation solution for rigorous modeling of gathering networks and pipeline systems. This solution can model applications ranging from single well sensitivity analyses of key parameters to a multi-year planning study for an entire production field. PIPEPHASE improves profitability and performance in companies across the globe by using proven solution algorithms, modern production methods and software analysis techniques to create a robust and efficient oil field design and planning tool.

Average Rating: 4.7/5.0

Total Reviews: 7

How Do G2 Users Rate PIPEPHASE?

  • Ease of Use: 8.8/10 (Category avg: 8.4/10)

Who Is the Company Behind PIPEPHASE?

  • Seller: AVEVA
  • Year Founded: 1967
  • HQ Location: Cambridge, GB
  • Twitter: @AVEVAGroup
    15,381 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7,767 employees on LinkedIn®
  • Ownership: LSE:AVV

Who Uses This Product?

  • Top Industries: Oil & Energy
  • Company Size: 43% Medium, 43% Small

What Are Recent G2 Reviews of PIPEPHASE?

Gensym

Gensym G2 allows you to create, deploy and adapt real-time, rule-driven, mission-critical expert applications that automate decision making in telecommunications, finance, government,military, manufacturing, utilities, and transportation.

Average Rating: 4.4/5.0

Total Reviews: 6

How Do G2 Users Rate Gensym?

  • Ease of Use: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind Gensym?

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of Gensym?

What Are G2 Users Discussing About Gensym?

Voxler

Voxler® is officially retired. Voxler may be purchased, but it is sold on an as-is basis and will not receive updates, fixes, or new features. Golden Software will continue to provide technical support to the best of their abilities. The features in Voxler are being added to our 2D & 3D mapping, modeling, and analysis software application, Surfer. Check out the free Surfer trial https://www.goldensoftware.com/products/surfer/trial Voxler® is a powerful 3D modeling software package. Voxler takes raw, complex data and models it in a rich, interactive 3D visual environment. Display a wide range of data including geological, surface, point cloud, and well data. Voxler is used extensively by geologists, environmental scientists, project stakeholders, GIS analysts, educators, and many others across the globe.

Average Rating: 3.8/5.0

Total Reviews: 4

How Do G2 Users Rate Voxler?

  • Ease of Use: 7.5/10 (Category avg: 8.4/10)

Who Is the Company Behind Voxler?

  • Seller: Golden Software
  • Year Founded: 1983
  • HQ Location: Golden, CO
  • Twitter: @GoldenSoftware1
    780 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 25% Small

What Are Recent G2 Reviews of Voxler?

What Are G2 Users Discussing About Voxler?

My Quorum

Drive workforce productivity with a comprehensive enterprise-wide solution for your upstream and midstream business.

Average Rating: 3.9/5.0

Total Reviews: 7

How Do G2 Users Rate My Quorum?

  • Ease of Use: 9.0/10 (Category avg: 8.4/10)

Who Is the Company Behind My Quorum?

Who Uses This Product?

  • Top Industries: Oil & Energy
  • Company Size: 63% Large, 25% Small

What Are Recent G2 Reviews of My Quorum?

What Are G2 Users Discussing About My Quorum?

NVIDIA Quadro

Quadro is the world preeminent visual computing platform. Trusted by millions of creative and technical professionals to accelerate their workflows, only Quadro has the most advanced ecosystem of hardware, software and tools to transform the disruptive challenges of today into business successes of tomorrow.

Average Rating: 4.2/5.0

Total Reviews: 3

How Do G2 Users Rate NVIDIA Quadro?

  • Ease of Use: 10.0/10 (Category avg: 8.4/10)

Who Is the Company Behind NVIDIA Quadro?

  • Seller: NVIDIA
  • Year Founded: 1993
  • HQ Location: Santa Clara, CA
  • Twitter: @nvidia
    2,582,827 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    51,762 employees on LinkedIn®
  • Ownership: NVDA

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of NVIDIA Quadro?

Tecplot 360

Tecplot 360 helps you make engineering decisions quickly by integrating XY, 2D, and 3D plots. And it helps you communicate your results with brilliant images and animations—plotted exactly the way you want.

Average Rating: 4.5/5.0

Total Reviews: 3

How Do G2 Users Rate Tecplot 360?

  • Ease of Use: 7.2/10 (Category avg: 8.4/10)

Who Is the Company Behind Tecplot 360?

  • Seller: tecplot
  • Year Founded: 1981
  • HQ Location: Bellevue, US
  • Twitter: @Tecplot
    3,753 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    54 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Tecplot 360?

What Are G2 Users Discussing About Tecplot 360?

Exodus

EXODUS is a Reservoir Simulator for Microsoft Windows.

Average Rating: 3.8/5.0

Total Reviews: 2

How Do G2 Users Rate Exodus?

  • Ease of Use: 6.7/10 (Category avg: 8.4/10)

Who Is the Company Behind Exodus?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Exodus?

Petro-SIM

PetroSims, developed by Kea Studios is a creative visualisation solution for the oil and gas industry. It provides multimedia solutions to help achieve your goals, whether it is graphic animation for training purposes or bringing your concept and ideas to life in your sales presentations.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate Petro-SIM?

  • Ease of Use: 6.7/10 (Category avg: 8.4/10)

Who Is the Company Behind Petro-SIM?

Who Uses This Product?

  • Company Size: 50% Large

What Are Recent G2 Reviews of Petro-SIM?

What Are G2 Users Discussing About Petro-SIM?

Neya Kumaresan
NK
Researched and written by Neya Kumaresan
Updated October 3, 2024