About Calsep

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.

Copenhagen

Calsep A/S
Headquarter & Europe

Dubai

Calsep FZ LLC
Middle East

Houston

Calsep, Inc.
US and LATAM

Kuala Lumpur

Calsep Asia Pacific Sdn Bhd
Asia and Pacific

Latest Tech Talk, Software Updates & Releases

PVTsim Nova 6.0 to 7.0

NEW DATA VISUALIZATION TOOL DATA VISUALIZATION Plot fluid properties and compositions vs depth. Make cross plots of fluid properties. Input Field Data (Depth, Pressure, Temperature,…

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PVTsim Nova 6.2 to 6.3

NEW: PVTSIM LEDAFLOW API New PVTsim LedaFlow API installed with PVTsim Nova 6.3. The PVTsim LedaFlow API can be used from LedaFlow for running Composition…

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Publications

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