SEISMIC VIBRATOR CONTROLLED BY DIRECTLY DETECTING BASE PLATE MOTION Russian patent published in 2014 - IPC G01V1/02 G01V1/04 

FIELD: physics.

SUBSTANCE: seismic vibrator has a base plate with at least four isolators isolating a frame from the base plate. Each of these isolators is offset from the contact area of the base plate on shelves of the base plate. An accelerometer mounted directly on the base plate detects the acceleration imparted to the plate. To reduce flexing and bending, the plate has an increased stiffness and approximately the same mass of a plate for a comparably rated vibrator. The accelerometer is mounted at a particular location of the plate that experiences transition between longitudinal flexing along the longitudinal axis of the plate. This transition location better represents the actual acceleration of the plate during vibration and avoids overly increased and decreased acceleration readings that would be obtained from other locations on the plate.

EFFECT: high accuracy of exploration data.

26 cl, 27 dwg