Method of drilling a directonal well bore

Details Method of drilling a directonal well bore Method of drilling a directonal well bore

1986-01-07

1987-12-29

Novosad, Stephen J.

Boring or penetrating the earth

Processes

Boring curved or redirected bores

F21B 704

Patent

active

047154527

ABSTRACT:
The invention relates to a method of drilling a directional well bore with a drill string. According to the invention, at least a part of the trajectory of the well bore is drilled with a constant build rate so that the part has substantially a constant curvature shape.

REFERENCES:
patent: 3042125 (1962-07-01), Duncan
patent: 4386665 (1983-06-01), Dellinger
patent: 4433738 (1984-02-01), Moreland
patent: 4440241 (1984-04-01), Anders
patent: 4480701 (1984-11-01), Baldwin
patent: 4523652 (1985-06-01), Schuh
patent: 4621691 (1986-11-01), Schuh

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