Logging system depth recorder

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging

Patent

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Details

367911, 346 33WL, 731515, G01V 140

Patent

active

043553788

ABSTRACT:
A logging tool recording system counts and converts depth pulses into a digital coded format. Such digital coded format is converted to a serial digital word for recording on an analog recorder. During playback the digital serial word is converted back into a digital coded format for reproduction by means of a visual digital display.

REFERENCES:
patent: 2842852 (1958-07-01), Tangery
patent: 3088540 (1963-05-01), Kahesh
patent: 3490150 (1970-01-01), Whitfill
patent: 3824533 (1974-07-01), Adamson
patent: 3979714 (1976-09-01), Zemanek
patent: 3986163 (1976-10-01), Elliott
patent: 4110688 (1978-08-01), Bailey
patent: 4307395 (1981-12-01), Standish

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