Method and apparatus for reducing the effective bandwidth of ult

Details Method and apparatus for reducing the effective bandwidth of ult Method and apparatus for reducing the effective bandwidth of ult

1988-12-29

1990-01-30

Jordan, Charles T.

Communications: electrical

Wellbore telemetering or control

Selective control of subsurface equipment

340854, 340856, 367 81, G01V 100

Patent

active

048976466

ABSTRACT:
A method and apparatus for increasing the effective bandwidth of an acoustic return resulting from logging operations. The real time acoustic return is stored in memory. A transmitted acoustic return is produced for transmitting over a logging cable by transmitting the acoustic return out of the memory and onto the cable at a rate which is slower than real time.

REFERENCES:
patent: 3977245 (1976-08-01), Clark et al.
patent: 3991611 (1976-11-01), Marshall et al.
patent: 4012712 (1977-03-01), Nelligan

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