Drive mechanism for borehole televiewer

Details Drive mechanism for borehole televiewer Drive mechanism for borehole televiewer

1988-03-22

1989-05-09

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

181105, G01V 100

Patent

active

048294888

ABSTRACT:
A borehole televiewer apparatus includes a housing section having a cavity for the disposition of an acoustic signal transmitting and receiving transducer. An elongated threaded rod is disposed in the cavity and held stationary relative to the housing and supports a nut, a slipring assembly, the transducer and a drive motor assembly for axially translating the transducer and rotating the transducer while precluding rotation of the motor and a support plate therefor relative to the rod. The support plate is keyed to the rod by an elongated key and keyway configuration to prevent rotation of the motor and the support plate while permitting axial translation of the motor and support plate along the rod.

REFERENCES:
patent: 3614891 (1971-10-01), Nolte
patent: 4033429 (1977-07-01), Farr
Zemanek et al., The Borehole Televiewer-A New Logging Concept for Fracture Location, Journal of Petroleum Technology, 6, 1969, pp. 762-774.
Moore et al., Development of a New Borehold Acoustic Televiewer for Geothermal Application, Transaction, vol. 9,, Part II, Aug. 1985, pp. 471-473.

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