Acoustics – Geophysical or subsurface exploration – Well logging
Patent
1988-03-11
1989-09-19
Steinberger, Brian S.
Acoustics
Geophysical or subsurface exploration
Well logging
367 35, 367 69, G01V 140
Patent
active
048672645
ABSTRACT:
An apparatus useful in investigating the wall surfaces of a structure defining a cavity comprising: a tool having a periphery and being capable of being at least partially located in the cavity; and a plurality of transducers located at different points on the periphery of the tool, each of the transducers being capable of sending first signals toward the wall surfaces of the cavity and receiving reflected second signals. An improved method for investigating the wall surfaces of a structure defining a cavity is also disclosed.
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Zemanek et al., The borehole Televiewer-A New Logging Concept . . . , Journal Petroleum Technology, Jun. 1969, pp. 762-774.
Atlantic Richfield Company
Martin Michael E.
Steinberger Brian S.
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