TELLS-VSP

Seismograph TELSS-VSP for borehole surveying

Main features:
  • Telemetry system
  • ADC 32 bits
  • High-quality anchoring arm
  • Anchoring arm stops automatically when force rating is reached

Description

TELSS-VSP telemetry borehole seismic acquisition system is designed for VSP, polarization VSP, uphole and crosshole surveying.

The mobility of the system allows the use of it in boreholes as deep as 100 meters (and even more).

The presence of 3-component sensor and anchoring arm allows to register full wavefield, including primary, secondary and other waves.

 

 

Specification
Number of registered components 3
Geophones orientation orthogonal
Hold-down force 80 kg
Openings/closing time of anchoring arm 25 s
Min well diameter 80 mm
Max well diameter 140 mm
ADC 32 bits
Instantaneous dynamic range 130 dB
Gain 0; 12; 24; 36 dB
Sampling period 0,25; 0,5; 1; 2; 4 ms
Power supply 12 V
Weight 8 kg
Length 905 mm
Diameter 62 mm

 

Additional Equipment

RT-3S

 

 

 

 

 

Wireless synchronization system (WSS-1)

 

 

 

 

 

Processing Software

RadExPro

 

 

 

 

 

ZondST2d — 2D seismotomography interpretation (refracted waves)

 

 

 

 

ZondST3d — 3D seismotomography interpretation (refracted waves)

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