Acoustic well logging methods and apparatus

Details Acoustic well logging methods and apparatus Acoustic well logging methods and apparatus

1974-07-05

1976-09-07

Moskowitz, Nelson

Acoustics

Geophysical or subsurface exploration

Well logging

181106, 340 155BH, 250268, G01V 140, G01V 102

Patent

active

039789390

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, an acoustic logging transducer array includes cylindrical transmitter and receiver transducers whose axes are aligned perpendicular to the longitudinal axis of a longitudinally extending support member in a borehole. The transducers are eccentered in the borehole with the receiving transducers mounted in a pad member which is supported near the borehole wall.

REFERENCES:
patent: 2595241 (1952-05-01), Goble
patent: 2631270 (1953-03-01), Goble
patent: 3126976 (1964-03-01), Cordall et al.
patent: 3376950 (1968-04-01), Grine
patent: 3434568 (1969-03-01), Caldwell
patent: 3811529 (1974-05-01), Crawford
Jergen, "The Physical . . . in Cylindrical Coordinates," 1/53, pp. 40-47, Journ. Acoust. Soc. Amer. vol. 25, No. 1.
Jergen, "The Effect of a Surrounding Fluid . . . Elastic Tube," 6/55, pp. 227-231, Jour. Appl. Mech., vol. 22, No. 2.

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