Electrically conducting an orientation signal in a directionally

Details Electrically conducting an orientation signal in a directionally Electrically conducting an orientation signal in a directionally

1991-03-07

1992-04-28

Bui, Thuy M.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

175 40, E21B 700

Patent

active

051079399

ABSTRACT:
A method and apparatus for drilling a directional well by running and setting a retrievable steering tool in the drill pipe with a wireline conductor and removable supporting the upper end of the conductor from a fluid passing support seated on the shoulder inside the drill string. Telescopically inserting a single piece conductor wire into the drill pipe from the outside through a non-rotatable connection and into the drill string for raising the lowering the lower end of the single piece conductor in a telescopically and sealingly engaging connection to the wireline electrical conductor for transmitting communication from the steering tool to the well surface.

REFERENCES:
patent: 3107729 (1963-10-01), Barry et al.
patent: 3825079 (1974-07-01), Heilhecker
patent: 4196781 (1980-04-01), Cheek
patent: 4365676 (1982-12-01), Boyadjieff et al.

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