Engineering calculation tools for oil & gas and petrochemical processes. Includes references and equations. Usage guideline:
- Yellow cells: Editable input
- Unit selection: Double-click
- Green cells: Calculated output
- Reset: Refresh the page; nothing is saved
- Fit the screen: Zoom in/out browser from the menu
Comments, feature requests and offers are appreciated (contact below).
- Unit Conversion
- Compressor
- Drum Geometry, Hold-up & Surge Rate
- Flare Stack Sizing by ANSI/API Standard 521/ ISO 23251
- Heat Exchanger Design
- PED Selection: European Pressure Equipment Directive 97/23/EG
- Pump
- Sieve Opening Size
- Horizontal Knock Out Drum as per API RP 521, 1997, par. 5.4.2.1.
- Control Valve
- Restriction Orifice
- Pressure Safety Valve
- PSV Sizing for Fire Case in a Liquid Filled Vessel
- PSV Sizing for Fire Case in a Vapor/Gas Filled Vessel
- Gas Calculations (p.V=n.R.t.Z)
- Pressurization and Depressurization
- Noise Calculation by API 521 5th Edition par. 7.3.4.3.
- Pressure Loss of Single Phase Flow in Circular Rough Piping
- Pressure Loss of Single Phase Flow in Non-Circular Rough Piping
- Pressure Loss of Two Phase Flow in Circular Rough Piping
- Properties of Saturated Steam
- Physical Properties of Pure Components
- Pipe Size Optimization for Carbon and Stainless Steel Pipes
- Prime Numbers
- Geometry – Volume and Area of Geometrical Objects
- Liquid Gravity Drainage / Overflow Design (credits: LinkedIn)