Neutron Porosity (ɸne)- Shale Corrected- (Schlumberger, 1975)
In 1975, Schlumberger also proposed an equation for the calculation of neutron derived porosity including shale corrections, which takes into account the porosity value in nearby shale and shale volume. The expression is the following:
- Where:
- ɸNe= shale-corrected neutron porosity
- ɸN= neutron derived porosity
- ɸNshale= neutron porosity at a nearby shale
- Vshale= shale volume
Calculate Neutron Porosity (ɸne) - Shale Corrected- Schlumberger (1975) | |||
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