RigCalc is a drilling calculator built for the rig floor. Solve 40+ oilfield calculations for hydraulics, well control, pressure, mud, cement and directional drilling in seconds, with every formula shown step by step. Works fully offline, so it runs anywhere on the wellsite or offshore.
Whether you are a driller, drilling engineer, mud engineer, toolpusher, cementer, directional driller or a petroleum engineering student, RigCalc gives you accurate, verified oilfield formulas without a spreadsheet.
Oilfield drilling calculator: hydraulics, ECD, well control, mud & cement calcs