Axial borehole televiewer

Communications – electrical: acoustic wave systems and devices – Particular well-logging apparatus

Patent

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Details

367 35, 181105, G01V 140

Patent

active

047665777

ABSTRACT:
A borehole televiewer scans forwardly to produce images of objects longitudinally ahead of the televiewer. The transducer is orbited around the bottom of the televiewer housing and simultaneously moves radially inwardly and outwardly thereacross to image an entire solid angle across a transverse section of the borehole ahead of the televiewer.

REFERENCES:
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patent: 3718204 (1973-02-01), Groenendyke
patent: 4008603 (1977-02-01), Paulissen
patent: 4212207 (1980-07-01), Conradi
patent: 4292679 (1981-09-01), Kondo et al.
patent: 4463378 (1984-07-01), Rambow
patent: 4542488 (1985-09-01), Clishem et al.

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