Continuous on-bottom directional drilling method and system

Details Continuous on-bottom directional drilling method and system Continuous on-bottom directional drilling method and system

2006-08-29

2006-08-29

Bates, Zakiya W. (Department: 3676)

Boring or penetrating the earth

Processes

Boring curved or redirected bores

C175S026000, C175S045000, C175S073000, C175S103000

Reexamination Certificate

active

07096979

ABSTRACT:
A method of and system for directional drilling alternate between rotary drilling and sliding drilling with the bit remaining in continuous contact with the bottom of the bore hole.

REFERENCES:
patent: 6494272 (2002-12-01), Eppink et al.
patent: 6848518 (2005-02-01), Chen et al.

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