Method and apparatus for hydrocarbon recovery

Details Method and apparatus for hydrocarbon recovery Method and apparatus for hydrocarbon recovery

1985-09-13

1987-04-21

Novosad, Stephen J.

Boring or penetrating the earth

Tool shaft advanced relative to guide insertable in...

With anchor for guide engaging hole side wall

175323, 138130, E21B 708, E21B 1720, E21B 1722

Patent

active

046589163

ABSTRACT:
Apparatus for radial drilling into selected formations adjacent an earth borehole, the apparatus consisting of concentric, counterwound spring shafts operating in conjunction with a rotary drive source and a guide housing positionable to direct the rotating bendable shaft down and outward in a radial direction. The apparatus includes bit weight limiting means and guide housing locking means which enable effective radial drilling operation in any selected angular and/or radial directions to greatly multiply and enlarge the producing formation interface.

REFERENCES:
patent: 1706072 (1929-03-01), Rieger
patent: 1891330 (1932-12-01), Compte et al.
patent: 2198016 (1940-04-01), Rogers et al.
patent: 2344277 (1944-03-01), Zublin
patent: 2608384 (1952-08-01), Alexander
patent: 2825364 (1958-03-01), Cullen et al.
patent: 3118508 (1964-01-01), Friedman et al.
patent: 4007797 (1977-02-01), Jeter
patent: 4307780 (1981-12-01), Curington

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