Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Patent
1980-03-19
1983-04-19
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Well logging
367 31, 367 75, 73598, G01V 140, G01V 136
Patent
active
043808069
ABSTRACT:
A method and apparatus for shear wave logging which utilizes relatively high frequency sweep control transmission and subsequent correlation of received signals in order to define travel times of horizontally polarized shear and/or torsional wave energy. The apparatus includes specific sonde structure for effecting firm contact of transmitting and receiving elements with the borehole wall.
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Pichitt, "Acoustic Character Logs and Their Applications in Formation Evaluation", 6/63, pp. 659-667, Journal of Petroleum Technology.
Hopkins John R.
Payton Charles E.
Waters Kenneth H.
Conoco Inc.
Miller William J.
Moskowitz Nelson
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