Duncan Cogswell

Borehole Imaging – Optical Scanner – Overview

Borehole Imaging – Optical Scanner – Overview

Borehole Imaging - Optical Scanner - Overview.   Application: The optical scanner is a high resolution CMOS camera borehole imaging probe which is commonly run in combination with an acoustic scanner for detailed, high resolution images of the borehole through...

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Dual Induction-Conductivity Logging – Overview

Dual Induction-Conductivity Logging – Overview

Dual Induction-Conductivity Logging - Overview   Application: Induction-conductivity logging involves the measurement of induced electromagnetic fields in the rock and resulting eddy currents. Changes in the rock’s electrical properties can be due to the clay...