Tech21E. S. has been developing software for the oil industry since 1986. Starting with COMPASS; now offered by the Landmark Group; Tech21 E.S. launched PC OILPLAN in 1998 which is still being used by major oil industry companies. Our latest flagship product is 5D, a directional well planning and survey management system which uses 3D visualisation tools for interactive collision avoidance.

Tech21 E.S. has developed the following software products:

• PC OILPLAN: A field optimisation tool allowing the user to quickly check field layout options.
• 5D: A comprehensive well planning, anti-collision and survey management suite.
• Mag Int: A multi-station magnetic interference correction program.
• Depth:: A depth correction program (correcting for stretch and temperature).
• Sag: A BHA deflection correction program using Finite Element Analysis.
• Wellcalc: A Hydraulics, Torque and Drag calculator.