Power generation in underground drilling operations

Details Power generation in underground drilling operations Power generation in underground drilling operations

1974-08-30

1976-07-20

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

73194B, 73194C, 175 40, 175 48, 310 87, 310 91, 310 85, H01L 4110

Patent

active

039708772

ABSTRACT:
The electrical power required to drive downhole drilling tools and/or measuring instruments is obtained using means responsive to turbulence in the mud flow past a unit forming part of the drill string. The responsive means may comprise a piezo-electric disc connected to rectifying and smoothing circuits whereby a D.C. output is obtained.

REFERENCES:
patent: 2848710 (1958-08-01), Owen
patent: 2963099 (1960-12-01), Gianelloni, Jr.
patent: 2964116 (1960-12-01), Peterson
patent: 3627065 (1971-12-01), Murphy
patent: 3789935 (1974-02-01), Saadeh
patent: 3800277 (1974-03-01), Patton et al.
patent: 3821726 (1974-06-01), Chang et al.

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