Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Patent
1980-06-19
1986-09-02
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Well logging
358107, 731515, B21B 4704
Patent
active
046100059
ABSTRACT:
A video system measures the position of the traveling block of a drilling rig to determine borehole depth and the rate of drill bit penetration. A television camera is arranged to track the vertical movement of the traveling block of a drilling rig between its uppermost and lowermost positional limits. An encoding unit is connected to the television camera. The output of the encoder indicates the block's position along its vertical path of movement. The output signal is processed to provide information such as borehole depth and drill bit penetration rate. The output may be in the form of an analog output to a dial indicator, a chart recorder or the like. The system is not subject to fouling or mechanical failure and the system, including the input sensor, may be located in its entirety remotely from the drilling rig.
REFERENCES:
patent: 2166212 (1939-07-01), Hayward
patent: 2221767 (1940-11-01), Hayward et al.
patent: 2287819 (1942-06-01), Nichols
patent: 3261967 (1966-07-01), Rosin et al.
patent: 3406298 (1968-09-01), Janeway
patent: 3651871 (1972-03-01), Greene
patent: 3853004 (1974-12-01), Westlake et al.
patent: 4179707 (1979-12-01), Sjodin
patent: 4204224 (1980-05-01), Buken et al.
patent: 4254433 (1981-03-01), Dewar, Jr. et al.
Hojabeam et al., "Electronic Anamorphasis System", 4/79, IBM Tech. Disc. Bull., vol. 21, #1.
Dresser Industries Inc.
Moskowitz Nelson
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