Means for generating electricity during drilling of a borehole

Prime-mover dynamo plants – Electric control – Fluid-current motors

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290 42, 290 53, 290 54, 367 83, 310 17, 175 40, 73151, E21C 706, G08C 2300, H02K 3300, E21B 4712

Patent

active

044917384

ABSTRACT:
A generator for providing electric energy in a borehole during drilling thereof, the generator comprising an anchor which is movable in a reciprocating mode in response to pressure pulses in the drilling fluid caused by rapidly opening or closing a valve.

REFERENCES:
patent: 3036645 (1962-05-01), Rowley
patent: 3421700 (1969-01-01), Seamans, Jr.
patent: 3448305 (1969-06-01), Raynal et al.
patent: 3693428 (1972-09-01), Le Peuvedic et al.
patent: 3970877 (1966-07-01), Russell et al.
patent: 4078620 (1978-03-01), Westlake et al.

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