Formation Evaluation Services
Formation Testing and Sampling Services
Materials
 
Litho-Density logging Tool (ZDT)

The ZDT provides both formation bulk density and the photoelectric absorption index (Pe) data. These measurements allow evaluation of complex formations determining lithology and porosity in such formations. Because the photoelectric absorption of gamma rays depends strongly on atomic number, the measured values of Pe are directly related to the formation’s composition. The Pe measurement is not significantly dependent on porosity or fluid content, making it particularly useful in determining formation lithology.
 

Highlights

Accurate determination of formation porosity and lithology
Accurate determination of formation minerals
Accurate determination of gas zones
Accurate determination of fluid properties

 
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