Ultrasonic logging tool with rotating exposed transducer

Details Ultrasonic logging tool with rotating exposed transducer Ultrasonic logging tool with rotating exposed transducer

1988-03-01

1989-10-24

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 25, 367911, 181106, 175 50, 73623, R21B 4700, G01V 140

Patent

active

048766720

ABSTRACT:
An ultrasonic logging tool (borehole televiewer) which utilizes a rotating transducer which is exposed directly to the fluids in the borehole during logging operations.

REFERENCES:
patent: 2825044 (1958-02-01), Peterson
patent: 3369626 (1968-02-01), Zemanek
patent: 3378097 (1968-03-01), Straus et al.
patent: 3550075 (1970-12-01), Kilchie et al.
patent: 3668619 (1972-06-01), Dennis
patent: 3741321 (1973-06-01), Slover et al.
patent: 3978939 (1976-09-01), Trouiller
patent: 4255798 (1981-03-01), Havira
patent: 4453409 (1984-06-01), Naumann et al.
patent: 4524433 (1985-06-01), Broding
patent: 4711122 (1987-12-01), Angehrn et al.
"The Borehole Televiewer", Zemanek et al.; Journal of Petroleum Technology; Jun. 1969; pp. 762 et sec.
"Cement Evaluation Tool"; Froelich et al.; SPE 10207; Society of Petroleum Engineers of AIME; 56th Annual Fall Conf.; San Antonio, Tex.; Oct. 5-7, 1984.
"A Single Tool for Corrosion and Cement Evaluation"; Dumont et al.; SPE 13140; 59th Annual Technology Conf.; Houston, Tex.; Sep. 16-19, 84.

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