Collaboration . Innovation . Future Generation

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Process engineering departments always strive to incorporate a new generation of chemical engineers. OLI technology is a rigorous process simulation platform, enabling the next generation of chemical engineers to deliver a rich combination of new data parameters, thermodynamic framework and software innovations for Oil & Gas, Industrial Water Treatment and Rare Earth Minerals to enable higher process reliability, efficiency, and engineering productivity.

Experience a unique simulation software with our academic program licenses

We offer three types of licenses

Academic Education License (EDU)

  1. For undergraduate, graduate studies or post-graduate curriculum (students)

  2. This is an individual softkey license

Academic Classroom (EDC)

  1. For lecture setting and teaching – Professors + Students

  2. This comes with 20 - 50 network concurrencies for one package (Process OR Corrosion)

Academic Research License (EDR)

For funded academic research. To be eligible for this option:

  1. Client organization is a research department within / or affiliated with a university

  2. Client results will not be used for any industry or government application

  3. Client work would not be competing with work normally performed by a commercial consultant 

  4. Client cites OLI when publishing any results

Software packages available

The main components of the OLI software include:


A virtual laboratory on your PC - OLI Studio: Stream Analyzer


This component of the OLI software is useful in studying electrolyte chemistry and the behavior of electrolytes in water or another substance in depth. The basic component of this software is an equilibrium calculation, that can be specified as an isothermal calculation or as a bubble or dew point, set pH, precipitation point, composition target, or custom calculation. Calculated is the phase distribution of a solution as well as a plethora of stream properties, including pH, transport properties, densities, heat capacities as well as thermodynamic values of K-values and activities. Other calculations include a survey, where trends can be studied by varying pressure, temperature, pH, and/or composition, as well as simple mixes and separate operations. This is an ideal package for studying electrolyte chemistry theory for given chemistry.


Electrolyte flowsheet simulation - OLI Flowsheet: ESP


This unique program is an electrolyte flowsheet simulator that can be used for electrolyte primary processes. Simple to set up, simple to tailor via callouts on the flowsheet, easy to access the stream, and unit results on a speciation basis. With controllers and recycle stream capabilities, this software can and has been used in senior design classes for water-chemistry based processes.


OLI Engine in OLI is proud to partner with AspenTech, AVEVA, Honeywell, KBC KWA, and PSE to offer a joint alliance partner product that accesses the OLI Engine from within Aspen Plus / HYSYS, PRO/II, UniSim Design, Petrosim, SysCAD, or gPROMS.


When other thermodynamic methods will also be useful, the OLI Engine partnered with your flowsheet simulator of choice is an optimal way to address the water chemistry aspect of your system.


Corrosion simulation - OLI Studio: Corrosion Analyzer


This pioneering technology simulates aqueous corrosion due to the chemical attack of the bulk solution in contact with a metal surface. It is sold as an add-on to the Stream Analyzer or ScaleChem software. Included are calculations for Stability diagrams, the thermodynamics of corrosion; Kinetic rate of uniform corrosion, including computer-generated polarization curves; Localized corrosion indicators; Extreme Value Statistics (EVS), a statistical model used to calculate remaining asset life. 

Upstream mineral scale prediction OLI Studio: ScaleChem


This comprehensive software was specified by production chemists in Shell, ConocoPhilips, and BP to build best practices into the calculation and prediction of the upstream mineral scale. Features include a good scenario calculation for determining at what temperature/pressures scale is likely to from; the calculation of mixing water to find the effect of mixing two or more disparate waters together (e.g., from waterflood or for fracking) to determine “safe ratios” where no scale will form; a reservoir saturation module that can calculate saturated water from the formation minerals at reservoir conditions; and a facilities calculation that permits simple mixes and separate functions to mimic gathering or disposal systems. Also included is a contour plot feature for visually showing safe and likely-to-scale zones within a matrix of temperature and pressure.

OLI Product Sheets

Learn more about our software products

Conference proceedings

proceedings from past OLI Simulation Conferences

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What customers say and experience with OLI

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OLI Academic Sponsored Research - University Partners

Pennsylvania State University

Research partner in electrolyte thermodynamics and corrosion electrochemistry

Rutgers University

Research partner within the framework of the Critical Materials Institute, with collaboration focused on materials chemistry

University of California - Berkeley

Research partner in corrosion science

University of California - Davis

Research partner within the framework of the Critical Materials Institute, with collaboration focused on solid-state thermodynamics