OPTV52 / OPTV52G

A precision wide angle lens and a CMOS camera assembly permits a high definition video image of the borehole wall to be captured in a variety of horizontal and vertical resolutions. The resulting image is digitised in the sonde and combined with the orientation data for transmission to the surface.

The orientated, unrolled image log, whether as a standalone product or when forming the basis of a detailed structural interpretation, proves immensely useful in a wide variety of applications. These include core orientation, fracture detection and analysis, bedding dip and direction, lithological characterisation.

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OPTV52 gallery

OPTV52 specification

  • Wide angle 360° lens
  • horizontal resolution up to 1440 pixels
  • High pressure resistant
  • log speed until 3,6 m / min
  • Vertical resolution unlimeted
  • Depth : 2000m

  • Diam : 52mm
  • Weight : 7Kg
  • Pressure tube: titanium and brass non-magnetic
  • Length : 1630 mm
  • Temp / pressure max : 60°C / 100 bar

  • Camera sensor : 1 280 x 1 024 pixels CMOS
  • Horizontal definition : 360/540/720/900/1080/1260/1440 pixels
  • Orientation : triple magnetometers / accelerometers
  • Picture format : 24 bit RGB
  • Vertical definition : unlimited (defined to logging speed)
  • Orientation accuracy : ±0.5° dipping ; ±1° azimuth ± 0.5°

  • Gamma ray sensor: ø25 x 50 mm NaI(Tl) crystal
  • Centralisers non-magnetic
  • Image calibration
  • High pressure version : ø62 mm / 200 bar (± 2 000 m)
  • supplementary sinker weight

  • Hole dry or filled with clear water
  • Recommended diameter range : 60 to 450 mm
  • The probe must be centered

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