Calsep stands for CALculation of SEParation processes. Calsep is a specialist company within oil and gas properties and phase equilibria. Consulting services, PVT and flow assurance software are the main products.
35 years of PVT services
From the first beta version and client to being a benchmark software and consultancy company.
At Calsep we are continuesly improving our software adapting to new technologies, consumer behaviour and tendencies in the oil and gas industry. From a humble start in Copenhagen in 1982 to offices in 4 continents offering services to the leading companies in the oil, gas and polymer industry.
For more information about Calsep office locations, phone and fax numbers, please go to Calsep locations.
At Calsep we reach all continents, of course via online meetings but also via our staff and representation in United States, Europe, Asia and in the Middle East. For us it is a big value to be present where our clients typically operate.
Get to know us better:
Calsep is excited to announce the upcoming release of PVTsim Nova 6. In conjunction with this, we are holding an in-person user group meeting at the newly renovated Parkroyal Collection KL. Come join us and…
Calsep Wins Lawsuit Against Calsep’s Former Global Sales Manager Pashupati Sah, His Business Colleague Ashish Dabral, and their Related Companies
In March 2019, Calsep sued its former Global Sales Manager, Pashupati Sah, and his business colleague, Ashish Dabral alleging that Sah and Dabral had used Calsep’s stolen PVTsim source code to develop a competing PVT simulation software called InPVT. Final judgment and…
PVTsim Nova 5.4 has been released. It can be downloaded from Client Area for more information about the updates check out the list of updates here PVTsim Nova 5.3 to 5.4
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Open book policy
It is Calsep policy to publish our research results on improved techniques for fluid description and modeling of phase equilibria. The research and development work has been documented in more than 60 publications and 2 textbooks, all authored or coauthored by Calsep’s consultants.
The publications cover subjects like:
- EOS modeling
- Solids precipitation and deposition
- Computer algorithms for solving phase equilibria