Description
DOWNHOLE LOCKING GEOPHONE
The Borehole Pick is what we call the Borehole Geophone used for PS logging to measure P wave and S wave velocities of the ground. This instrument is constituted by the 3-component geophone, the unit to effect the pressurized contact of the system to the borehole wall, and the cable with additional installation of the air supply tube.
In the geophone unit, the geophone of moving coil type is being built, constituted by one component vertical and two components horizontal.