Method for driving a bender-type transmitter of a borehole loggi

Details Method for driving a bender-type transmitter of a borehole loggi Method for driving a bender-type transmitter of a borehole loggi

1985-11-22

1988-01-05

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367 32, G01V 140

Patent

active

047180463

ABSTRACT:
An acoustic well logging system employs a sine wave tone burst generator which drives a bender-type transmitter in a borehole logging tool to sequentially produce acoustic compressional and tube waves. A sine wave tone burst is selectively swept or fixed in frequency between 10 kHz and 1.5 kHz to generate a constant frequency compressional wave and below 1.5 kHz to generate a constant frequency tube wave. The constant frequency of the compressional wave along a particular subsurface formation interval is characteristic of the rock material of such subsurface formation interval.

REFERENCES:
patent: Re24446 (1958-03-01), Summers
patent: 3191145 (1965-06-01), Summers
patent: 3333238 (1967-07-01), Caldwell
patent: 3362011 (1968-01-01), Zemanek, Jr.
patent: 4312049 (1982-01-01), Masse et al.
patent: 4328567 (1982-05-01), Dodge
patent: 4383308 (1983-05-01), Caldwell
patent: 4450540 (1984-05-01), Mallett
patent: 4606014 (1986-08-01), Winbow et al.
"Some Effects of Frequency Upon the Character of Acoustic Log," Chaney et al., Journ. of Petrol. Tech., 4/66, pp. 407-411.
"Theoretical Seismic Wave Radiation from a Fluid-Filled Borehole," Lee et al., Geophysics, vol. 47, #9, 9/82, p. 1308.
C. A. Sheridan, et al., "Bender Bar Transducers for Low-Frequency Underwater Sound Sources," presented at 97th Meeting of the Acoustical Society of America, Cambridge, Massachusetts, Jun. 15, 1979.

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