Shear wave acoustic logging system

Details Shear wave acoustic logging system Shear wave acoustic logging system

1985-08-22

1987-03-10

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 75, 181106, 310333, G01V 140, H01L 4108

Patent

active

046495258

ABSTRACT:
Acoustic well logging method and system employing a bender-type transducer as a point source of an acoustic shear wave. The bender-type transducer includes opposed unrestricted planar surfaces mounted within a liquid filled compartment within the tool. The unrestricted surfaces of the transducer are spaced longitudinally along the axis of the tool and exposed to the coupling liquid. One or more bender-type transducers may also be employed as acoustic receivers in the tools. The active surfaces of the receiving transducers are oriented in substantially the same direction as the active surfaces of the transmitting transducer.

REFERENCES:
patent: Re25413 (1963-07-01), Sogn
patent: 2281778 (1942-05-01), Mason
patent: 2410825 (1946-11-01), Lane
patent: 3054915 (1962-09-01), Hauch
Dix, "Seismic Prospecting for Oil", 1952, pp. 109-110, Harper & Bros.

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