High Resolution Optical Televiewer Probe (Hi-OPTV)
Well Logging System
    Model:High Resolution Optical Televiewer Probe (Hi-OPTV)
    Country of Origin:UK - Robertson Geologging
    Use: The High Resolution Optical Televiewer (Hi-OPTV) provides a continuous very high resolution oriented image of the borehole walls using a conventional light source.
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A unique optical system based on a fisheye lens allows the probe to survey 360 degrees simultaneously. This information
is processed in real time to produce a complete ‘unwrapped’ image of the borehole oriented to magnetic north. The probe
offers superior resolution to the High Resolution Acoustic Televiewer (HRAT) and produces images in real colour. While,
unlike the HRAT, it can operate in air-filled boreholes, it is unsuitable for boreholes containing mud or cloudy fluids.

WellCad™ Image-processing software:

WellCad™ is a Windows-based package for processing, interpreting and displaying acoustic and optical televiewer image logs.
Standard log presentations include tadpole and stick plots, stereographic projections of poles to planes and azimuth frequency
diagrams. The synthetic core display allows convenient comparison of log and field data for orientation of fractured or incomplete
core sections.



Fracture identification and orientation
Stratigraphic studies
Local stress studies (break-out)
Core orientation
Cased hole studies

Operating Conditions

Borehole Type: Air filled or clear fluid
Recommended Logging Speed: 3m/min


Length: 2.13m - 2.14m (10MPa/20MPa window)
Diameter: 46mm (10MPa) & 58mm (20MPa)
Weight: 6kg (10MPa) or 7.2kg (20MPa)
Temperature (max): 60°C
Circular resolution: user definable 360/540/720 /900/1080/1260/1440 pixels
Sensor type: 1280 x 1024 pixels CMOS image sensor
Colour resolution: 24 bit RGB

Part Numbers

I017187 Hi-OPTV probe (46mm)
I017188 Hi-OPTV probe (46mm) with gamma
I017125 Hi-OPTV probe (58mm)
I017216 Hi-OPTV probe (58mm) with gamma
I015464 Gamma Test Blanket
WellCAD™ Image-processing software
I000942 WellCAD™ Software
I000944 WellCAD™ Image Module
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