Difference between revisions of "Determining water saturation"
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| − | Water saturation (S<sub>w</sub>) can be measured directly from a sealed core, which is an expensive method, or it can be calculated from the [[Archie equation]],<ref name=Archie_1942>Archie, G. E., 1942, The electrical resistivity log as an aid in determining some reservoir characteristics: Petroleum Transactions of AIME 146: 54–62.</ref> which is less expensive. S<sub>w</sub> can also be estimated using a graphical representation of the Archie equation known as the [[Pickett plot construction|Pickett plot]].<ref name=ch09r45>Pickett, G. | + | Water saturation (S<sub>w</sub>) can be measured directly from a sealed core, which is an expensive method, or it can be calculated from the [[Archie equation]],<ref name=Archie_1942>Archie, G. E., 1942, The electrical resistivity log as an aid in determining some reservoir characteristics: Petroleum Transactions of AIME 146: 54–62.</ref> which is less expensive. S<sub>w</sub> can also be estimated using a graphical representation of the Archie equation known as the [[Pickett plot construction|Pickett plot]].<ref name=ch09r45>Pickett, G. R., 1973, Pattern recognition as a means of formation evaluation: The Log Analyst, vol. 14, no. 4, p. 3–11.</ref> |
==See also== | ==See also== | ||
Revision as of 20:53, 1 April 2015
| 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 (Sw) 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 plot.[2]
See also
- Archie equation
- Determining Rt
- Determining porosity from density-neutron logs
- Calculating Rw from SP logs
- Pickett plot construction
References
External links
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