Borehole televiewers are advanced geophysical logging tools used for detailed imaging and analysis of borehole walls with applications in geotechnical, mining, hydrogeological, and environmental investigations. Equipped with high resolution, 360 imaging capabilities, the televiewer generates continuous, oriented optical and acoustic records of subsurface formation enabling detailed geological mapping and structure analysis.
Features
High-Resolution Imaging: Provides a continuous, high-resolution oriented image of borehole walls.
Natural Gamma Crystals: Natural gamma measurements (counts per second) built into the probes.
360° Survey: Fisheye lens optical system allows the probe to survey the full 360° of the borehole simultaneously.
Fixed Acoustic Transducer & Rotating Mirror: Uses a fixed acoustic transducer and a rotating acoustic mirror to scan borehole walls with a focused ultrasound beam.
GeoCAD® Televiewer Module: is a Windows-based package for processing, interpreting, and displaying image logs.
WellCAD Software: processes and visualizes high-resolution acoustic or optical borehole image logs, enabling detailed analysis of subsurface structures, fractures, and lithology.
Log Presentations: Standard Log Presentations include tadpole and stick plots, stereographic projections of poles to planes, and azimuth frequency diagrams.
Advantages
Real-Time Data Processing: Processes the image in real time to produce an ‘unwrapped’ image oriented to magnetic north or top of casing (inclined holes).
Real-Color Imaging: Produces images in real color, enhancing interpretability and detail.
Synthetic Core Display: Feature a synthetic core display that allows convenient comparison of log and field data, especially for orientation of fractured or incomplete core sections.
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