Horsepower per MMscfd

Quick Power Estimation for Budgetary Sizing

Quick Estimation
Rapidly estimate compressor horsepower requirements based on compression ratio and flow rate. Ideal for budgetary purposes and initial project scoping.

Operating Conditions

psia
psia
MMscfd
Standard conditions: 14.696 psia, 60°F

Gas Properties

rel. to air
Natural gas: 0.55-0.80
-
-

Efficiency

%
Typical recip: 80-90%
°F

HP per MMscfd Rule of Thumb

Ratio HP/MMscfd Application
1.5:115-20Low ratio boost
2:125-35Gathering
3:140-55Typical field
4:155-75High ratio
6:1+80-120Multi-stage

Estimation Notes

Budgetary Only: This quick method is for initial estimates. Use detailed sizing for final design.
Accuracy: ±15-20% typical. Actual HP depends on cylinder selection and operating point.