your source for geophysical instruments
Geophone and hydrophone arrays for collecting seismic data in boreholes.
Wall-lock borehole geophones for downhole shear-wave velocity surveys.
For high-resolution seismic imaging in water-filled, narrow-diameter boreholes.
3-component analog downhole receivers; 2000m maximum depth.
4-component digital downhole receivers, 3000m maximum depth.
24-channel downhole hydrophone array, expandable to 96-channels.
Borehole source with a investigation depth around 10 m.