Directional drilling tool

Details Directional drilling tool Directional drilling tool

1993-10-20

1995-08-15

Novosad, Stephen J.

Boring or penetrating the earth

Means traveling with tool to constrain tool to bore along...

Sectional guide or shaft having means to lock sections in...

175 45, 175 75, 175320, 166237, 166384, E21B 708, E21B 1702

Patent

active

054411190

ABSTRACT:
The invention relates to a directional drilling tool for use in controlled directional drilling. The drilling tool comprises two parts which are moveable relative to each other either in the horizontal or vertical planes. Cam surfaces are provided between the two parts for adjustments to the drilling direction in the vertical plane. A slot and groove mechanism is provided between the two as an example of adjustments in the horizontal plane. In each case hydraulic pressure is the preferred means of controlling the adjustments said controlling means being independent of the other well operations.

REFERENCES:
patent: 3667556 (1972-06-01), Henderson
patent: 4655299 (1987-04-01), Schoeffler
patent: 5215151 (1993-06-01), Smith et al.
patent: 5259467 (1993-11-01), Schoeffler
patent: 5311952 (1994-05-01), Eddison et al.
patent: 5316093 (1994-05-01), Morin et al.
patent: 5339913 (1994-08-01), Rives

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