Epic uses the following software during its consulting work.
GEM - compositional simulator
IMEX - black oil simulator
STARS - thermal simulator
WinProp - PVT package
ResAssist - streamline pre-post processor
ResBalance - material balance
ResSurveil - surveillance software
ResWorks - petroleum toolkit
Virtual - wellbore hydraulics
FAST Well Test - well test analysis
geoSCOUT - public database
PowerLog - log analysis
Eclipse 100 - black oil simulator
Eclipse 300 - compositional simulator
Eclipse 500 - thermal simulator
OFM - surveillance software
Petrel - 3D geological modeling
All software shown above is trademarked by their respective companies