WELLOG POROSITY

Revised 07-22-2006

© 2003 - 2006 WELLOG

Density Tools

Compton Scattering

Bulk Density

Borehole compensation

Porosity from Density Tool

Correction for shale/gas

Acoustic Tools

Delta – T

Borehole compensation

Porosity from Acoustic Tool

Correction for shale/gas

Neutron Tools

Neutron Flux

Borehole compensation

Porosity from Neutron Tools

Correction for shale/gas

Combination Porosity logs

Cross-plotting for Porosity

(BEGIN PART II)