Gas Viscosity at Specified Pressure

The viscosity of a gas can be thought of as a measure of its resistance to flow it is usually measured in centipoises (cp).

It generally ranges from 0.01 to 0.03 cp at standard and reservoir conditions, reaching up to 0.1 cp for near-critical gas condensates.

Reference: Phase Behavior, Curtis H. Whitson and Michael R. Brule

Correlations

  • 1-Carr-Kobayashi-Burrows
  • 2-Lucas

Input Parameters

NameInput Value - UnitConverted ValueValidityLink to Calculation Page
Temperature

599.67

°R

Pressure

2000

psi

Average Surface Gas Specific Gravity

0.72

SG

 Average Surface Gas Gravity (ɣg)
Pseudo Properties Calculation Method

2

Pseudo Critical Properties Correction Method

2

N2 Content

0

%

CO2 Content

5

%

H2S Content

10

%

CALCULATE

Results

CorrelationCalculated ValueWarningsRemarks
1-Carr-Kobayashi-Burrows0.01948cpGas viscosities can be estimated with an accuracy of about +-3% for most applications.
2-Lucas0.01769cphe Lucas method is recommended for general use.