Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1986-11-26
1989-08-08
Steinberger, Brian S.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 28, G01V 100
Patent
active
048559652
ABSTRACT:
Amplifier gain is time ramped to increase amplification of the signal with increasing mud transit time and attenuation. Amplitude, ramp slope, and ramp onset time are independently controllable from the surface.
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Shell Oil Company
Steinberger Brian S.
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