Borehole guide and method of boring interpenetrating holes

Details Borehole guide and method of boring interpenetrating holes Borehole guide and method of boring interpenetrating holes

1981-07-14

1984-02-21

Novosad, Stephen J.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

175 80, 175326, E21B 708

Patent

active

044324227

ABSTRACT:
A borehole guide for drilling interpenetrating boreholes which may be parallel to one another or inclined to one another. The borehole guide is clamped in position in an already drilled borehole by inflating an inflatable member. Thereafter a drill which is directed by the guide is used to drill a second borehole which overlaps the first hole. A number of the borehole guides may be used end to end, and their relative orientation may be varied to direct the second borehole, within limits, along a desired path.

REFERENCES:
patent: 2026062 (1935-12-01), Reilly
patent: 2042447 (1936-05-01), Haskel
patent: 2308067 (1943-01-01), Eickhoff
patent: 2386514 (1945-10-01), Stokes
patent: 3397746 (1968-08-01), Link
patent: 4189183 (1980-02-01), Borowski
patent: 4258800 (1981-03-01), Hipp
patent: 4285399 (1981-08-01), Holland et al.

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