Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Patent
1979-06-25
1982-10-19
Purser, Ernest R.
Boring or penetrating the earth
With signaling, indicating, testing or measuring
Tool position direction or inclination measuring or...
175 58, 175 61, 175107, 173 36, E21B 4906
Patent
active
043545580
ABSTRACT:
A method of core cutting and apparatus operable on a seven conductor wireline logging cable for drilling a hole in the sidewall of a drill hole which comprises an elongted housing with a hydraulically operated backup shoe mounted within the housing for wedging the housing at a selected location in the drill hole and a hydraulic motor with a drilling bit connected thereto for rotation by the hydraulic motor. Hydraulic means are mounted within the housing and are connected to the hydraulic motor for moving the bit into drilling engagement with the sidewall of the drill hole. In one embodiment, a core cutting bit is connected to the motor for obtaining a sample of a subterranean formation at the selected location.
REFERENCES:
patent: 1850403 (1932-03-01), Lee
patent: 2173532 (1939-09-01), DeLong
patent: 2324682 (1943-07-01), DeLong
patent: 3148740 (1964-09-01), Cauchois
patent: 3544957 (1969-02-01), Smetanin et al.
patent: 3630296 (1971-12-01), Bullard
patent: 4119148 (1978-10-01), Deardorf
Broding Robert A.
Jageler Alfred E.
Kilmer Lauren G.
Gassett John D.
Purser Ernest R.
Standard Oil Company (Indiana)
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