Control system for inclined impact-type surface seismic source

Details Control system for inclined impact-type surface seismic source Control system for inclined impact-type surface seismic source

1986-05-08

1987-07-28

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Vibrator-type transmitter

181113, 181114, 181121, 181111, H04R 2300

Patent

active

046835580

ABSTRACT:
Multiple vehicle-transported impact-type surface seismic sources designed to shoot along slant paths to create combined compressional and shear wave pulses in the earth are provided with radio controlled actuators. The azimuth of each shooting path is automatically referenced to magnetic north so that signals of equivalent wave form contents are produced despite vehicle misalignments and without reliance upon individual vehicle operators.

REFERENCES:
patent: 4059820 (1977-11-01), Turpening
patent: 4284165 (1981-08-01), Airhart et al.
patent: 4291780 (1981-09-01), Fulkerson
patent: 4354572 (1982-10-01), Martin
patent: 4611171 (1986-09-01), Woods
Sheriff et al., Exploration Seismology, Cambridge Univ. Press, 1977, p. 191.

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