Borehole acoustic logging system having synchronization

Details Borehole acoustic logging system having synchronization Borehole acoustic logging system having synchronization

1990-02-06

1990-11-06

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 69, 367911, G01V 140

Patent

active

049691287

ABSTRACT:
An elongated borehole logging tool employs an acoustic energy transducer for directing acoustic energy pulses toward a borehole wall at a repetition rate synchronized with rotational speed of the tool within the borehole.

REFERENCES:
patent: 3369626 (1968-02-01), Zemanek, Jr.
patent: 3718204 (1973-02-01), Groenendyke
patent: 3728672 (1973-04-01), Dennis et al.
patent: 4575677 (1986-03-01), Dennis
patent: 4736348 (1988-04-01), Bednarczyk
patent: 4780862 (1988-10-01), Clerke
patent: 4837753 (1989-06-01), Morris et al.
patent: 4876672 (1989-10-01), Petermann et al.

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