Determining water saturation
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Exploring for Oil and Gas Traps | |
Series | Treatise in Petroleum Geology |
---|---|
Part | Predicting the occurrence of oil and gas traps |
Chapter | Predicting reservoir system quality and performance |
Author | Dan J. Hartmann, Edward A. Beaumont |
Link | Web page |
Store | AAPG Store |
Water saturation can be measured directly from a sealed core, which is an expensive method, or it can be calculated from the Archie equation,[1] which is less expensive. Sw can also be estimated using a graphical representation of the Archie equation known as the Pickett crossplot.[2] This article discusses how to calculate Sw using the Archie equation, how to determine values for variables of the Archie equation, and how to make a Pickett crossplot.
See also
- Calculating Sw from the Archie equation
- Determining Rt
- Determining porosity from density-neutron logs
- Calculating Rw from SP logs
- Constructing a Pickett plot