Borehole televiewer system depth encoding and decoding method

Details Borehole televiewer system depth encoding and decoding method Borehole televiewer system depth encoding and decoding method

1990-08-28

1992-03-24

Eldred, J. Woodrow

Communications: electrical

Wellbore telemetering or control

With position or depth recording

367 35, 175 40, 73151, G01V 100

Patent

active

050992368

ABSTRACT:
A method and an apparatus for recording the depth of a well logging apparatus is provided. The method and apparatus include the direct acquisition of broad depth information from the logging system conversion of the broad depth information to an acceptable digital signal and recording that signal on the audio track of a video cassette recorder. A microcontroller is used to convert broad depth information from either the logging system or the video cassette recorder (in the playback mode) to actual depth and depth rate for use by other displays and plotters.

REFERENCES:
patent: 3369626 (1968-02-01), Zemanek, Jr.
patent: 3599156 (1971-08-01), Miller
patent: 3727179 (1973-04-01), Bennett
patent: 3781783 (1973-12-01), Tucker
patent: 3916372 (1975-10-01), Elliott
patent: 4463378 (1984-07-01), Rainbow

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