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# evoleap

## Sitemaps

- [XML Sitemap](https://evoleap.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [flotools release notes](https://evoleap.com/release-notes/) - Explore flotools release notes covering new tools, major features, bug fixes and workflow improvements across recent software versions.
- [When to Implement HIPPS: Protecting Flowlines During High-Pressure Transients](https://evoleap.com/when-to-implement-hipps-protecting-flowlines-during-high-pressure-transients/) - Learn when HIPPS is the right choice for protecting flowlines from high-pressure transients, especially in greenfield–brownfield tie-ins and surge scenarios.
- [Wax and Asphaltene Deposition Modeling for Deepwater Flowlines](https://evoleap.com/wax-and-asphaltene-deposition-modeling-for-deepwater-flowlines/) - See how deposition modeling helps engineers predict wax and asphaltene formation in deepwater production systems (wellbores, flowlines, and risers) and design to prevent and/or mitigate deposition.
- [Hydrate Formation Prediction & Operational Control Strategies](https://evoleap.com/hydrate-formation-prediction-operational-control-strategies/) - Understand how real-time simulation helps engineers predict hydrate formation and make safer, more informed operational decisions during shutdowns and restarts.
- [How to Predict, Manage, & Mitigate Slugging with Real-Time Transient Simulation](https://evoleap.com/how-to-predict-manage-mitigate-slugging-with-real-time-transient-simulation/) - Learn how real-time transient simulation supports slugging risk management across terrain-induced, riserbase, and operational slugging, without overpromising prediction
- [Efficient Cooldown Parametric Studies](https://evoleap.com/efficient-cooldown-parametric-studies/) - Learn how to run efficient cooldown parametric studies to estimate hydrate risk and determine safe shutdown time windows.
- [Announcing flotools 2.0](https://evoleap.com/announcing-flotools-2-0/) - Learn why flotools 2.0 introduced a major redesign, adding usability improvements and new capabilities for flow assurance engineers.
- [What’s new in flotools 1.4](https://evoleap.com/whats-new-in-flotools-1-4/) - flotools 1.4 represents a major improvement in plot viewing and editing that addresses a number of pain points and feedback items we've received over the past few months. We've carefully redesigned the experience to make it easier than ever for flow assurance engineers to create and export report-ready plots. This post describes the following significant
- [flotools installation options](https://evoleap.com/flotools-installation-options/) - Learn about flotools installation options, including attended and command-line installs, prerequisites and setup considerations.
- [Pigging Displacement Volume Calculation](https://evoleap.com/pigging-displacement-volume-calculation/) - Understand pigging displacement volume calculations and best practices to support safe pipeline cleaning, inspection and operations.
- [Natural Gas Pipeline Operations with Increased Hydrogen](https://evoleap.com/natural-gas-pipeline-operations-with-increased-hydrogen/) - Explore engineering approaches for natural gas pipeline operations with increased hydrogen and insights into decarbonization challenges.
- [User Defined Calculations – A Detailed Walkthrough](https://evoleap.com/user-defined-calculations-a-detailed-walkthrough/) - Follow a detailed walkthrough of user-defined calculations in flotools 2.x, covering setup, syntax, debugging tips and real-world engineering use cases.
- [OLGA Surge Volume Bug?](https://evoleap.com/olga-surge-volume-bug/) - Explore an observed OLGA surge volume bug and engineering discussion around surge calculations and flow assurance modeling.
- [Feature Preview: Surge Volume Plots](https://evoleap.com/feature-preview-surge-volume-plots/) - Preview surge volume plots in flotools and learn how they analyze transient behavior using OLGA-defined surge variables.
- [The Truth about OLGA Speed](https://evoleap.com/the-truth-about-olga-speed/) - Explore insights into OLGA performance and CPU behavior, explaining why simulation speed may not scale as expected.
- [Built-in Calculated Variables – Part 1 – The basics](https://evoleap.com/built-in-calculated-variables-part-1-the-basics/) - Learn the basics of built-in calculated variables in flotools and how they are derived from simulation output data.
- [Introducing User-Defined Calculations](https://evoleap.com/introducing-user-defined-calculations/) - Discover user-defined calculations in flotools, enabling power users to create custom variables for advanced simulation analysis.
- [flotools installation and registration](https://evoleap.com/flotools-installation-and-registration/) - Learn how to install, register and get started with flotools using official video guides for different software versions.
- [Built-in Calculated Variables – Part 2 – Rate variables](https://evoleap.com/built-in-calculated-variables-part-2-rate-variables/) - Explore built-in rate-based calculated variables in flotools and how multi-variable logic supports advanced flow assurance studies.
- [New Calculation UI](https://evoleap.com/new-calculation-ui/) - Explore the redesigned calculation UI in flotools, built to simplify creating, editing and debugging complex engineering calculations.
- [Introducing Plot Matrix](https://evoleap.com/introducing-plot-matrix/) - Learn how Plot Matrix multiplies plots across cases, variables and branches for fast screening and qualitative comparison of results.
- [Field-Tested Calculation Saves Hydrate Inhibition Costs during a Cold Well Start Up](https://evoleap.com/field-tested-calculation-saves-hydrate-inhibition-costs-during-a-cold-well-start-up/) - Discover how field-tested calculations reduced hydrate inhibition costs during cold well start-up using time- and location-based analysis.
- [Importing Data](https://evoleap.com/importing-data/) - Learn how to import external data into flotools plots to compare non-OLGA datasets and enhance X-Y plot analysis workflows.
- [Calculation of Transient Piping Loads Caused by Pressure](https://evoleap.com/calculation-of-transient-piping-loads-caused-by-pressure-surges/) - Understand how to calculate transient piping loads from pressure surges and water hammer using single-phase hydraulics and SPS principles.
- [When the worst happens: recovering lost work](https://evoleap.com/when-the-worst-happens-recovering-lost-work/) - Learn how to recover unsaved work in flotools after a crash, locate stored workspaces and safely restore progress without losing analysis.
- [What’s new in flotools 2.2](https://evoleap.com/whats-new-in-flotools-2-2/) - Discover flotools 2.2 release features focused on operations workflows, model tuning, field data integration and historian support.
- [Using subscripts/superscripts in flotools](https://evoleap.com/using-subscripts-superscripts-in-flotools/) - Learn how to use subscripts and superscripts in flotools plots to display units, variables and labels clearly using Unicode characters.
- [flotools 2.3 release](https://evoleap.com/flotools-2-3-release/) - Discover what’s new in flotools 2.3, including LedaFlow support, stacked plots, parametric plotting enhancements and workflow updates.
- [LedaFlow functionality support](https://evoleap.com/ledaflow-functionality-support/) - Learn how flotools supports LedaFlow simulations, enabling consistent post-processing, plotting and analysis alongside OLGA results.
- [Stacked plots](https://evoleap.com/stacked-plots/) - Learn how stacked plots help visualize complex flow assurance results by combining multiple plots into a clear, unified comparison view.
- [Announcing flotools 2.4](https://evoleap.com/flotools-2-4-release/) - Explore flotools 2.4 release highlights, including new Table Builder tools and improvements that support report-ready engineering outputs.
- [Combine / Split a branch route](https://evoleap.com/combine-split-a-branch-route/) - Understand how to combine or split branch routes in profile plots to simplify visualization and improve analysis of engineering results.
- [Parametric Plotting with Multiple Y variables](https://evoleap.com/parametric-plotting-with-multiple-y-variables/) - Learn how to create parametric plots with multiple Y variables in flotools to compare scenarios and visualize complex simulation results.
- [flotools v2.5: Elevate Your Workflow with Powerful New Tools and Enhancements](https://evoleap.com/flotools-v2-5-elevate-your-workflow-with-powerful-new-tools-and-enhancements/) - Discover flotools v2.5 with powerful new tools like Pipeline Builder, designed to streamline pipeline workflows and boost engineering productivity.
- [Solving HIPPS Design and Slugging Simulation Challenges](https://evoleap.com/solving-hipps-design-and-slugging-simulation-challenges/) - Learn how HIPPS design and slugging simulation interact, with expert insights on modeling challenges, near-wellbore dynamics and system safety.
- [CO2 Sequestration Best Practices](https://evoleap.com/co2-sequestration-best-practices/) - Best practices for CO₂ sequestration covering flow assurance, modelling, and engineering considerations for safe and efficient carbon storage.
- [Instructional Video Part 7: Parametric Studies and Plots](https://evoleap.com/instructional-video-part-7-cross-plots/) - Follow a detailed plot matrix walkthrough explaining how to build, customize and interpret multi-series visual comparisons in flotools.
- [Redesgined Export Workflow](https://evoleap.com/redesgined-export-workflow/) - Explore surge analysis category content covering transient events, pressure response behavior and tools for protecting pipeline systems.
- [Tips and Tricks 1: Moving files and folders](https://evoleap.com/tips-and-tricks-1-moving-files-and-folders/) - Watch instructional video Part 4 to learn how dashboards work in flotools and how to visualize key metrics in a clear, structured view.
- [Instructional Video Part 5: Reporting](https://evoleap.com/instructional-video-part-5-reporting/) - Get started with flotools basics including workspaces, cases and setup guidance to organize, manage and run simulation projects efficiently.
- [Instructional Video Part 4: Dashboards](https://evoleap.com/instructional-video-part-4-dashboards/) - Learn about flotools 2.0 content covering major release updates, new capabilities and foundational improvements to engineering workflows.
- [flotools basics: workspaces and cases](https://evoleap.com/flotools-basics-workspaces-and-cases/) - Discover the hydrate curves tool used to analyze hydrate formation conditions and support safer flow assurance decision-making.
- [Hydrate Curves Tool](https://evoleap.com/hydrate-curves-tool/) - See featured Evoleap posts highlighting the most useful tutorials, product updates and engineering insights valued by the flotools user community.
- [Tips and Tricks 2: Plot variables by group](https://evoleap.com/tips-and-tricks-2-plot-variables-by-group/) - Learn how to plot variables by group in flotools to improve data clarity, organization and efficiency in simulation result analysis.
- [Instructional Video Part 3: Basic Plotting](https://evoleap.com/instructional-video-part-3-basic-plotting/) - View Part 3 in the instructional video series to master basic plotting techniques and key visualization skills using flotools.
- [Instructional Video Part 6: XY Plots and Imported Data](https://evoleap.com/instructional-video-part-6-xy-plots-and-imported-data/) - Watch Part 6 of Evoleap’s instructional series to learn XY plotting and how to import external data into flotools for better visualization.
- [Saving videos](https://evoleap.com/saving-videos/) - Read OLGA-related articles such as pigging calculations and flow assurance topics with practical guidance for pipeline analysis and maintenance.
- [Parametric Studies](https://evoleap.com/parametric-studies/) - This is a video explaining how to use parametric studies tool in flotools.
- [Welcome](https://evoleap.com/welcomenote/) - Feel free to browse the content below or search using the box to the right. We'll be continually adding new posts to this site, so be sure to check back often! If you need support beyond what is provided below, please email us at support@evoleap.com. Introductory Video Series (password required) Part 1: Installation and Registration Part
- [Plot Matrix - A Detailed Walkthrough](https://evoleap.com/plot-matrix-detailed-walk-through/)
- [Hydrate curve calculations in flotools](https://evoleap.com/hydrate-curve-calculations-in-flotools/) - flotools 1.4.2 added support for calculating hydrate curves based on three different methods: Method Inputs Outputs Sloan Gas specific gravity & pressure Hydrate formation temperature Motiee Gas specific gravity & pressure Hydrate formation temperature Bahadori and Vuthaluru Gas composition & temperature Hydrate formation pressure Sloan The Sloan correlation calculates hydrate formation temperature by the following
- [Built-in Calculated Variables - Part 3 - Advanced variables](https://evoleap.com/built-in-calculated-variables-part-3-advanced-variables/) - flotools' built-in calculated variable library includes some variables that use complex calculations beyond those that can be summarized by simple algebraic relationships. These variables are discussed in this section. Cooldown time Whenever the variable MDTHYD is available as a trend, flotools calculates cooldown time by searching the trend for the first time at which the

## Pages

- [Home](https://evoleap.com/) - Evoleap delivers flow assurance engineering and simulation software to help operators optimise performance across oil, gas and energy transition projects.
- [flotools](https://evoleap.com/flotools/) - FLOTOOLS software supports advanced flow assurance analysis with powerful modelling, plotting, and simulation tools built for energy engineers.
- [Energy transition](https://evoleap.com/energy-transition/) - Engineering insights and solutions supporting the energy transition, including hydrogen systems, CO₂ management, and low-carbon technologies.
- [Flow assurance](https://evoleap.com/flow-assurance/) - Flow assurance engineering solutions helping operators manage multiphase flow risks, system reliability, and operational performance.
- [evoke](https://evoleap.com/evoke/) - Evoke is an engineering intelligence platform designed to simplify analysis, improve insights, and support data-driven engineering decisions.
- [Services](https://evoleap.com/services/) - Evoleap provides engineering services covering flow assurance, modelling, simulation, and operational support for complex energy systems.
- [Software](https://evoleap.com/software/) - Explore Evoleap’s engineering software portfolio built to support flow assurance, simulation, automation, and advanced energy system analysis.
- [About Us](https://evoleap.com/about-us/) - Learn about Evoleap, our engineering expertise, software solutions, and mission to support flow assurance, simulation, and energy transition initiatives.
- [Design and operations](https://evoleap.com/design-operations/) - Engineering support for design and operations, helping teams improve reliability, safety, and performance across upstream, midstream, and energy projects.
- [obot](https://evoleap.com/obot/) - OBOT delivers automation and engineering intelligence to streamline workflows, improve simulations, and enhance operational decision-making.
- [flowpad](https://evoleap.com/flow-pad/) - Best practices for CO₂ sequestration covering flow assurance, modelling, and engineering considerations for safe and efficient carbon storage.
- [Midstream & LNG](https://evoleap.com/midstream-and-lng/) - Engineering solutions for midstream and LNG operations, supporting flow assurance, simulation, and performance optimisation across gas infrastructure.
- [Privacy Policy](https://evoleap.com/privacy-policy/) - Review Evoleap’s privacy policy explaining how personal data is collected, processed, stored, and protected across our digital platforms.
- [Contact Us](https://evoleap.com/contact-us/) - Contact Evoleap to discuss flow assurance challenges, engineering services, or software solutions tailored to your energy projects and operations.
- [Blog](https://evoleap.com/blog/) - Read engineering insights, tutorials, and updates covering flow assurance, simulation tools, software releases, and energy industry best practices.
- [Software Support Policy](https://evoleap.com/software-support-policy/) - Support Exclusions. Support excludes application development, software programming and configuration, installation and training. Training and installation services may be purchased under separate terms and conditions. Additionally, evoleap will not be required to provide Support on the Software in the event of Software issues caused by hardware malfunction or by modifications made to the Software by

## UX Blocks

- [Footer](https://evoleap.com/blocks/footer/)
- [White Pre Footer](https://evoleap.com/blocks/white-pre-footer/)
- [Pre Footer](https://evoleap.com/blocks/pre-footer/)
- [404](https://evoleap.com/blocks/404-2/)
- [Testimonial](https://evoleap.com/blocks/testimonial/)

## Categories

- [Uncategorized](https://evoleap.com/category/uncategorized/)
- [Flow Assurance](https://evoleap.com/category/flow-assurance/)
- [OLGA](https://evoleap.com/category/olga/)
- [flotools](https://evoleap.com/category/flotools/)
- [SPS](https://evoleap.com/category/sps/)
- [Surge Analysis](https://evoleap.com/category/surge-analysis/)
- [Release Notes](https://evoleap.com/category/release-notes/)
- [Documentation](https://evoleap.com/category/docs/)
- [How Tos](https://evoleap.com/category/howto/)
- [Tips and Tricks](https://evoleap.com/category/tips-tricks/)
- [Video](https://evoleap.com/category/video/)
- [General](https://evoleap.com/category/general/)
- [Releases](https://evoleap.com/category/releases/)
- [Webinars](https://evoleap.com/category/video/webinars/)

## Tags

- [flotools](https://evoleap.com/tag/flotools/)
- [OLGA](https://evoleap.com/tag/olga/)
- [pigging](https://evoleap.com/tag/pigging/)
- [Energy Transition](https://evoleap.com/tag/energy-transition/)
- [Hydrogen](https://evoleap.com/tag/hydrogen/)
- [Natural Gas](https://evoleap.com/tag/natural-gas/)
- [Single Phase](https://evoleap.com/tag/single-phase/)
- [SPS](https://evoleap.com/tag/sps/)
- [Synergi Gas](https://evoleap.com/tag/synergi-gas/)
- [calculated variables](https://evoleap.com/tag/calculated-variables/)
- [featured](https://evoleap.com/tag/featured/)
- [2.0](https://evoleap.com/tag/2-0/)
- [announcement](https://evoleap.com/tag/announcement/)
- [features](https://evoleap.com/tag/features/)
- [release](https://evoleap.com/tag/release/)
- [clock time](https://evoleap.com/tag/clock-time/)
- [field data](https://evoleap.com/tag/field-data/)
- [historian](https://evoleap.com/tag/historian/)
- [operations](https://evoleap.com/tag/operations/)
- [PI](https://evoleap.com/tag/pi/)
- [v2.2](https://evoleap.com/tag/v2-2/)
- [combine series](https://evoleap.com/tag/combine-series/)
- [LedaFlow](https://evoleap.com/tag/ledaflow/)
- [split series](https://evoleap.com/tag/split-series/)
- [Stacked plot](https://evoleap.com/tag/stacked-plot/)
- [stacked plots](https://evoleap.com/tag/stacked-plots/)
- [LedaFlow plot](https://evoleap.com/tag/ledaflow-plot/)
- [Webinar](https://evoleap.com/tag/webinar/)