Petroleum Engineering Spreadsheets

Reservoir Engineering
Original Gas in Place for Volumetric Natural Gas Reservoirs
Bottom Hole Pressure
Critical Oil Flowrate for Gas Coning
Fetkovich Decline Curve Analysis
Inflow Performance Relationship for Vertical & Slanted Solution-Drive Gas Wells
d-Exponent

Natural Gas Properties
Water Content of Natural Gas
Compressibility Factor of Natural Gas (Beggs and Brill)
Compressibility Factor of Natural Gas (Dranchuk Abou Kassem)
Viscosity of Natural Gas (Lee, Gonzalez & Eakin)
Viscosity of Natural Gas (Carr, Kobayashi & Burrows)

Natural Gas Flow Calculations
IGT Distribution Equation
Spitzglass Equation for Sizing Natural Gas Pipelines
Panhandle A and Panhandle B Equations
Weymouth Equation

Other
Erosional Pipeline Velocity
Least Cost Pipe Diameter
Automatically Download Historical Crude Oil Prices into Excel